3,861 results on '"shoulder instability"'
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102. Common Injuries and Conditions in Rowers
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Karlson, Kristine A., Stone, Genevra L., and Miller, Timothy L., editor
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- 2023
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103. Arthroscopic Management of Multidirectional Shoulder Instability
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Castricini, Roberto, Dei Giudici, Luca, Maffulli, Nicola, and Lui, Tun Hing, editor
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- 2023
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104. Management of Bony Bankart Lesions/Glenoid Bone Loss: Arthroscopic Bone Grafting Combined with Arthroscopic Subscapularis Augmentation
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Maiotti, Marco, Massoni, Carlo, Antonini, Francesca, Rotonda, Giuseppe Della, Guastafierro, Antonio, Russo, Raffaele, and Lui, Tun Hing, editor
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- 2023
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105. Arthroscopic Management of Posterior Shoulder Instability
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Garcia, José Carlos, Jr, Cursaru, Denisse Guerrero, and Lui, Tun Hing, editor
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- 2023
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106. Arthroscopic Trillat Procedure
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Kazum, Efi, Valenti, Philippe, Werthel, Jean David, and Lui, Tun Hing, editor
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- 2023
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107. Arthroscopic Management of HAGL (Humeral Avulsion of Glenohumeral Ligament) and Reverse HAGL Lesions
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Hartzler, Robert U., Gutierrez-Naranjo, Jose M., and Lui, Tun Hing, editor
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- 2023
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108. CT methods for measuring glenoid bone loss are inaccurate, and not reproducible or interchangeable
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Duncan Tennent, Tony Antonios, Magnus Arnander, Vivian Ejindu, Nik Papadakos, Anshul Rastogi, and Yemi Pearse
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instability ,glenoid bone loss ,ct scan ,shoulder dislocation ,latarjet ,ct measurement ,glenoids ,bone loss ,bone grafting ,ct scanning ,clinicians ,shoulder instability ,soft-tissue repair ,hill-sachs lesion ,digital callipers ,Orthopedic surgery ,RD701-811 - Abstract
Aims: Glenoid bone loss is a significant problem in the management of shoulder instability. The threshold at which the bone loss is considered “critical” requiring bony reconstruction has steadily dropped and is now approximately 15%. This necessitates accurate measurement in order that the correct operation is performed. CT scanning is the most commonly used modality and there are a number of techniques described to measure the bone loss however few have been validated. The aim of this study was to assess the accuracy of the most commonly used techniques for measuring glenoid bone loss on CT. Methods: Anatomically accurate models with known glenoid diameter and degree of bone loss were used to determine the mathematical and statistical accuracy of six of the most commonly described techniques (relative diameter, linear ipsilateral circle of best fit (COBF), linear contralateral COBF, Pico, Sugaya, and circle line methods). The models were prepared at 13.8%, 17.6%, and 22.9% bone loss. Sequential CT scans were taken and randomized. Blinded reviewers made repeated measurements using the different techniques with a threshold for theoretical bone grafting set at 15%. Results: At 13.8%, only the Pico technique measured under the threshold. At 17.6% and 22.9% bone loss all techniques measured above the threshold. The Pico technique was 97.1% accurate, but had a high false-negative rate and poor sensitivity underestimating the need for grafting. The Sugaya technique had 100% specificity but 25% of the measurements were incorrectly above the threshold. A contralateral COBF underestimates the area by 16% and the diameter by 5 to 7%. Conclusion: No one method stands out as being truly accurate and clinicians need to be aware of the limitations of their chosen technique. They are not interchangeable, and caution must be used when reading the literature as comparisons are not reliable. Cite this article: Bone Jt Open 2023;4(7):478–489.
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- 2023
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109. Why do patients with anterior shoulder instability not return to sport after surgery? A systematic review of 63 studies comprising 3545 patients
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Theodore P. van Iersel, MD, Sanne H. van Spanning, MD, Lukas P.E. Verweij, MD, Simone Priester-Vink, PhD, Derek F.P. van Deurzen, MD, PhD, and Michel P.J. van den Bekerom, MD, PhD
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Shoulder instability ,Capsulolabral repair ,Bony reconstruction procedure ,Return to sports ,Reason ,Consideration ,Orthopedic surgery ,RD701-811 ,Diseases of the musculoskeletal system ,RC925-935 - Abstract
Purpose: To review athletes’ reasons not to return to sport (RTS) after surgical treatment of anterior shoulder instability, comparing capsulolabral repair and bony reconstruction procedures. The hypothesis is that the most common reason for patients unable to RTS is not due to physical inability of the shoulder. Methods: A systematic review was performed using the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analysis) guidelines. PubMed, Embase/Ovid, Cochrane Database of Systematic Reviews/Wiley, Cochrane Central Register of Controlled Trials/Wiley, SPORTDiscus/Ebsco, and Web of Science/Clarivate Analytics were searched in collaboration with an information specialist up to August 11, 2022. Observational and interventional studies reporting reasons for no RTS following surgical treatment of anterior shoulder instability were included. Quality assessment of studies was conducted using the Methodological Index for Non-Randomized Studies (MINORS) criteria and Risk of Bias (RoB) assessment. Forest plots were generated to show an overview of the proportion shoulder function independent reasons for each study. Results: Sixty-three studies were included reporting on 3545 athletes, of which 2588 (73%) underwent capsulolabral repair versus 957 (27%) who underwent surgical treatment with bony reconstruction procedures. A total of 650 athletes (18%) were unable to RTS. The reason not to RTS was most frequently shoulder function independent (70%) compared to shoulder function dependent (30%) following both capsulolabral repair and bony reconstruction procedures. Most cited reasons for no RTS after capsulolabral repair were fear of reinjury (17%), personal reasons or change of priorities (11%) and retirement/discharge of military service or sports team (10%). Of these reasons, 106 (22%) were not specified other than being shoulder function dependent or shoulder function independent. Most cited reasons for no RTS after bony reconstruction procedures were fear of reinjury (12%), shoulder pain (10%), and retirement/discharge of military service or sports team (9%). Of these reasons, 74 (44%) were not specified other than being shoulder function dependent or shoulder function independent. Forest plots showed a variation from 0% to 100% shoulder independent reasons for both capsulolabral repair and bony reconstruction procedures. Conclusion: The majority of athletes who did not RTS following surgical treatment for anterior shoulder instability did so due to shoulder function independent reasons, such as fear of reinjury. However, there was a high variety between studies and many reasons were unspecified, warranting unified definitions for reasons of patients that do not RTS.
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- 2023
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110. Does preoperative glenoid bony defect determine final coracoid graft positioning in arthroscopic Latarjet?
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Maria Valencia, MD, P0hD, Ulrike Novo Rivas, MD, Claudio Calvo, MD, Natalia Martínez-Catalán, MD, Gonzalo Luengo-Alonso, MD, Diana Morcillo Barrenechea, MD, Antonio M. Foruria de Diego, MD, PhD, and Emilio Calvo, MD, PhD
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Arthroscopic Latarjet ,Coracoid graft positioning ,Consolidation rate ,Shoulder instability ,Recurrence rate ,Arthritis ,Orthopedic surgery ,RD701-811 ,Diseases of the musculoskeletal system ,RC925-935 - Abstract
Background: It has been demonstrated that the accurate positioning of the graft is key to restoring shoulder stability and preventing future arthrosis development. Preoperative anteroinferior glenoid bone loss is frequently encountered when performing a Latarjet, and it has not been determined yet if the amount of bony defect can influence graft positioning. The aim of the study was to determine if a preoperative glenoid bony defect has an influence on the final coracoid graft position in the arthroscopic Latarjet procedure. Methods: Fifty-five patients who underwent the arthroscopic Latarjet procedure were included, with a minimum follow-up of 2 years. There were 51 men (92.7%). Mean age was 29.1 (SD 7.63). Western Ontario Shoulder Instability Index, Rowe, and Single Assessment Numeric Evaluation scores were fulfilled. All measurements were performed by a musculoskeletal radiologist based on a multiplanar bidimensional CT scan. Dimensions of the glenoid, glenoid defect, and glenoid track were calculated. Position of the graft was evaluated in the axial (distance to glenoid surface, angulation of the graft and screws) and sagittal planes (percentage of the coracoid graft below the equator) as described by Kany et al and Barth et al respectively. Results: There was a glenoid defect in 41 patients (74.5 %). Mean width of the defect was 4.32 mm (SD 3.08) which represented 15.3% of the native glenoid surface (SD 10.8). 78.2% of the patients were offtrack preoperatively, and 11.9% remained offtrack postoperatively. The final glenoid diameter with the graft was 32.1 mm (SD 4.34). Mean distance from the graft to the glenoid at 50% height was 1.1 mm (SD 2.19 mm) and at 25% height was 1.31 mm (SD 2.05). Mean angulation of the superior and inferior screws were 26.9° (SD 8.2°) and 27.1° (SD 7.35°), respectively. In 81.8% of the cases, the graft was deemed to be flush with the glenoid. The percentage of the coracoid graft under the equator of the glenoid was 71.2 % (SD 21.8). There was not a statistically significant difference in screw angulation or graft positioning in the axial plane when comparing patients who had a glenoid defect with those who did not, or depending on the size (P > .05). Percentage of graft below the equator was, however, lower in patients without bony defect (P = .04). Conclusion: This study showed that accurate position of the coracoid graft is achieved in the presence of a glenoid bony defect. In the cases of intact glenoid, the height of the graft should be carefully evaluated.
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- 2023
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111. McLaughlin technique and humeral grafting provide similar results for treatment of reverse Hill–Sachs lesions: A systematic review
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Matteo Buda, Vito Coco, Alberto Grassi, Mattia Filanti, Costanza Musiani, Luca Solaro, Enrico Guerra, and Matteo Romagnoli
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anterior shoulder depression ,McLaughlin ,posterior shoulder dislocation ,reverse Hill–Sachs ,shoulder instability ,Orthopedic surgery ,RD701-811 - Abstract
Abstract Purpose Various surgical treatments have been described for the treatment of reverse Hill–Sachs lesions (rHSls) sized between 20% and 50% in the case of posterior shoulder dislocation. The aim of this systematic review is to report the clinical and radiological outcomes of subscapularis or lesser tuberosity transfer (McLaughlin and modified procedures) compared to bone or osteochondral autograft or allograft. Methods A systematic review was performed on five medical databases up to December 2022. The inclusion criteria were clinical studies of all levels of evidence describing clinical or radiological outcomes of either procedure. The assessment of the quality of evidence was performed with the Modified Coleman Score. Results A total of 14 studies (five prospective and nine retrospective) were included. A total of 153 patients (155 shoulders, 78.4% male) with a mean age of 37.2 (22–79) years were reviewed at an average follow‐up of 53.1 (7.1–294) months. No relevant difference was found for the clinical scores, range of motion, complications and redislocation rate between the two treatments. Radiological osteoarthritis (OA) was reported in 11% (10/87) in the McLaughlin group and in 21% (16/73) in the humeral reconstruction group. Conclusions McLaughlin and anatomic humeral reconstruction lead to similar satisfactory clinical results and a low redislocation rate in the treatment of rHSls. Anatomic humeral reconstruction seems associated with an increased risk of OA progression. Level of Evidence Level IV.
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- 2024
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112. A cadaveric study of the posterior band of the inferior glenohumeral ligament of the shoulder and its dynamic behaviour in different arm positions
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Geoffroy Nourissat, Claire Bastard, Claire Cammas, Vincent Salabi, and Anselme Billaud
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Bankart ,IGHL ,labrum ,posterior band ,shoulder instability ,Orthopedic surgery ,RD701-811 - Abstract
Abstract Purpose The inferior glenohumeral ligament (IGHL) is composed of three parts: the anterior branch or band (AB), the axillary pouch and the posterior band (PB). The latter has rarely been studied. We aim to describe the PB of the IGHL and its dynamic behaviour in different arm positions. Methods Twelve fresh cadaveric shoulders were used and the two bands (AB and PB) of the IGHL were dissected and isolated, taking away all muscle, ligaments and capsule. Characteristics of the bands were studied in five positions: maximum external rotation (ER1), abduction (ABD), internal rotation (IR), ABD external rotation (ER2) and anterior elevation–adduction–IR (Hawkins–Kennedy test position). Progressive and randomized sectioning of the bands and capsule with a scalpel was performed to study its impact on mobility and translation of the glenohumeral joint. Results The bands that tensioned first were in ER1, the AB at 97 ± 9° (80–110); in ER2, the AB at 81 ± 19° (30–100); in IR, the PB at 64 ± 9° (50–80); and in ABD, the PB at 87 ± 10° (70–105). Isolated sectioning of the AB had no effect on ABD, whilst isolated sectioning of the PB allowed greater ABD. In ER2, the AB limited anterior translation. After sectioning the AB, anterior translation remained limited by the PB, which wrapped around the humeral head and locked the joint by pressing the two joint surfaces tightly together. In Hawkins–Kennedy position anterior elevation–adduction–IR, the AB is the first constraint and the posterior translation was limited by the PB alone only in four cases. Conclusions When the IGHL is isolated, ligament limitation of glenohumeral ABD seems to be uniquely dependent on the PB. In the Hawkins and Kennedy position, the AB is the first constraint. In the case of an isolated lesion to the AB, the PB participates in anterior stabilization of the shoulder by wrapping around the humeral head that cannot dislocate. These findings confirm the role of the PB in glenohumeral joint stability. Level of Evidence Level IV.
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- 2024
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113. Correlation of Acromial Morphology With Risk and Direction of Shoulder Instability: An MRI Study.
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Arner, Justin W., Nolte, Philip-Christian, Ruzbarsky, Joseph J., Woolson, Thomas, Provencher, Matthew T., Bradley, James P., and Millett, Peter J.
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ACROMION , *STATISTICS , *SHOULDER joint , *ANALYSIS of variance , *CONFIDENCE intervals , *SHOULDER injuries , *JOINT instability , *MAGNETIC resonance imaging , *RISK assessment , *T-test (Statistics) , *DESCRIPTIVE statistics , *REPEATED measures design , *DATA analysis software , *DATA analysis , *FRIEDMAN test (Statistics) , *DISEASE risk factors - Abstract
Background: The influence of bony morphology on the development of posterior shoulder instability is not well known. Purpose: To determine if acromial morphology, as measured on magnetic resonance imaging (MRI), is associated with posterior or anterior shoulder instability. Design: Cross-sectional study; Level of evidence, 3. Methods: MRI measurements of posterior acromial coverage (PAC), posterior acromial height (PAH), posterior acromial tilt (PAT), and anterior acromial coverage (AAC) were completed for 3 separate matched groups who underwent surgical intervention: posterior instability, anterior instability, and a comparison group of patients who underwent arthroscopic surgery for snapping scapula. Inclusion criteria were patients with recurrent instability <40 years of age without multidirectional instability, glenoid bone loss >13.5%, or glenoid retroversion >10%. Results: Overall, 37 patients were included in each group. PAC was significantly less in the posterior instability group than in the anterior instability and comparison groups (68.3° vs 88.7° vs 81.7°; P <.001). PAH was significantly greater in the posterior group than in the anterior instability group (11.0 mm vs −0.1 mm; P <.001) and comparison group (0.7 mm; P <.001). There was no difference between the posterior and anterior groups in terms of PAT or AAC (P =.45 and P =.05, respectively). PAT was significantly smaller in the posterior instability group than the comparison group (55.2° vs 62.2°; P =.026). The anterior and comparison groups were not significantly different in PAH or PAT (P =.874 and P =.067, respectively) but were significantly different in AAC (P =.026). Conclusion: A higher and flatter posterior acromion, as measured on preoperative MRI, appears to be associated with patients who require arthroscopic capsulolabral repair due to posterior shoulder instability. This information may help clinicians to both diagnose and predict the need for operative intervention for patients with posterior labral tears. [ABSTRACT FROM AUTHOR]
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- 2023
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114. Cadaveric Biomechanical Study of Partial Glenoid Arthroplasty Versus the Latarjet Procedure for Anterior Glenoid Bone Loss.
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Kim, Yong Tae, Lee, Kyung Jae, Jang, Young Hoon, Yang, Sook, Lee, Thay Q., McGarry, Michelle, and Kim, Sae Hoon
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MEDICAL cadavers , *RANGE of motion of joints , *SHOULDER joint , *THREE-dimensional imaging , *SHOULDER injuries , *JOINT instability , *BONE resorption , *TREATMENT effectiveness , *ARTIFICIAL joints , *RESEARCH funding , *BIOMECHANICS , *PROSTHESIS design & construction , *THREE-dimensional printing , *COMPUTED tomography , *TOTAL shoulder replacement , *KINEMATICS , *EVALUATION - Abstract
Background: For severe anterior glenoid bone loss due to recurrent shoulder instability, the Latarjet procedure offers a dynamic sling effect in addition to bone augmentation. Yet, it heavily alters the surrounding anatomy, while fixation and graft union issues are also common. Purpose/Hypothesis: The purpose of this study was to compare a novel printed 3-dimensional (3D) partial glenoid arthroplasty (PGA) implant with the classic Latarjet procedure. It was hypothesized that by replicating the original glenoid geometry and preserving soft tissue anatomy, PGA may better reproduce normal joint kinematics. In addition, the locking screw construct may offer stronger fixation. Study Design: Controlled laboratory study. Methods: A total of 14 matched cadaveric shoulders were tested. The PGA implant was 3D printed in titanium based on preoperative computed tomography. The intact, 25% anterior glenoid bone loss, and postoperative states were tested in the scapular and coronal planes. The following parameters were measured: articular surface area and stepoff, rotational range of motion and the humeral head apex position during rotation, and load and linear stiffness at 25% anterior translation and at 2-mm construct displacement. Results: The baseline dimensions of the glenoid articular surface were comparable between the groups. The articular surface area after PGA was significantly larger (P =.006) with less articular stepoff (P =.030). PGA better approximated the intact state's external (P =.006) and total (P =.019) rotational range of motion in the scapular plane. The course of the humeral head apex after PGA better followed that of the intact state (P <.001). Resistance against anterior translation after PGA was not significantly different compared with after the Latarjet procedure. Greater linear stiffness (P =.031) and loading (P =.002) at 2-mm construct displacement were demonstrated in the PGA group. Conclusion: In addressing anterior glenoid bone loss, PGA better approximated intact glenohumeral joint kinematics compared with the Latarjet procedure with less articular stepoff in a cadaveric model. PGA was comparable in resisting anterior translation while being significantly stronger against loading at 2-mm construct displacement. Further clinical studies are warranted to validate this novel procedure. Clinical Relevance: A 3D-printed PGA implant may offer an alternative treatment option for severe glenoid bone loss due to shoulder instability, overcoming the previous drawbacks of the Latarjet procedure, including altered kinematics, fixation failure, and hardware issues. [ABSTRACT FROM AUTHOR]
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- 2023
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115. Arthroscopic Remplissage Combined With Bankart Repair Results in a Higher Rate of Return to Sport in Athletes Compared With Bankart Repair Alone or the Latarjet Procedure: A Systematic Review and Meta-analysis.
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Davis, William H., DiPasquale, Jake A., Patel, Reema K., Sandler, Alexis B., Scanaliato, John P., Dunn, John C., and Parnes, Nata
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INJURY risk factors , *SPORTS participation , *ONLINE information services , *META-analysis , *MEDICAL information storage & retrieval systems , *CONFIDENCE intervals , *FUNCTIONAL status , *ORTHOPEDIC surgery , *ARTHROSCOPY , *SHOULDER injuries , *SYSTEMATIC reviews , *ATHLETES , *SURGICAL complications , *CONTINUING education units , *TREATMENT effectiveness , *RISK assessment , *DESCRIPTIVE statistics , *REOPERATION , *MEDLINE , *ODDS ratio - Abstract
Background: Traumatic anterior shoulder instability affects athletes at a higher rate compared with the general population. In recent years, indications for arthroscopic remplissage, an adjunct procedure classically used to reduce the recurrence of anterior shoulder instability in patients with off-track Hill-Sachs lesions, have expanded. Purpose: To investigate return-to-sport (RTS) rates, functional outcomes, and adverse events in athletes who underwent arthroscopic Bankart repair with remplissage compared with surgical alternatives such as Bankart repair alone or the Latarjet procedure. Study Design: Systematic review and meta-analysis; Level of evidence, 4. Methods: A literature review of the Embase, PubMed (MEDLINE), and Web of Science databases was conducted for articles published before May 22, 2022. For the systematic review, 16 of 457 studies that reported RTS rates at any time point after remplissage were deemed eligible for inclusion in quantitative analysis and 17 of 457 studies in qualitative analysis. For the meta-analysis, 8 of 457 studies reported RTS rates after remplissage compared with surgical alternatives including Bankart repair alone or the Latarjet procedure and were deemed eligible for inclusion. Results: In total, 538 athletes underwent remplissage and were included in the study. RTS at any level was achieved by 86% (395/457) of patients, and the odds of RTS at any level were significantly higher after remplissage compared with surgical alternatives (odds ratio [OR], 2.71 [95% CI, 1.14-6.43]; P =.02). The odds of RTS at a previous or higher level were also significantly higher after remplissage compared with surgical alternatives (OR, 2.07 [95% CI, 1.29-3.31]; P =.002). The mean Rowe score increased significantly from 43.9 ± 7.77 preoperatively (n = 173) to 92.2 ± 4.02 after remplissage (n = 397) (P <.001), but there was no significant difference in Rowe scores between remplissage and surgical alternatives (P =.54). After remplissage, the recurrence rate was 5.0% for athletes (n = 220) and 7.3% for all patients (n = 634), with a mean time to recurrence of 24.0 ± 12.5 months. Reoperations occurred in 3.6% of athletes (n = 110) and 4.1% of all patients (n = 445). Recurrence and reoperations were significantly less likely after remplissage compared with surgical alternatives (OR, 0.18 [95% CI, 0.08-0.39]; P <.001 and OR, 0.17 [95% CI, 0.06-0.50]; P =.001, respectively). Conclusion: Arthroscopic Bankart repair with remplissage augmentation significantly improved RTS rates among athletes, both at any level and at previous levels of play. Additionally, remplissage appeared to significantly decrease recurrence and reoperation rates compared with surgical alternatives such as Bankart repair alone or the Latarjet procedure. [ABSTRACT FROM AUTHOR]
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- 2023
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116. Acute Effects of Whole-Body Vibration on Muscle Strength in Subjects with Shoulder Instability.
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Lopes Gomes da Silva, Uriel Sena and Ejnisman, Benno
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EXERCISE tests , *MUSCLE contraction , *SHOULDER injuries , *JOINT instability , *EXERCISE physiology , *ATHLETES , *VIBRATION (Mechanics) , *MUSCLE strength , *DESCRIPTIVE statistics , *ATHLETIC ability , *ISOKINETIC exercise - Abstract
Background. Whole-body vibration (WBV) has proven to be an efficient tool in improving the physical qualities of the neuromuscular system, such as increasing muscle strength, performance, joint stability, electromyographic signal, proprioception, among others. Its use in the upper limbs and joint instabilities has shown good immediate results in a single session. The aim of this study was to analyze the acute effects of the use of mechanical vibration on the muscle strength of subjects with shoulder instability. Methods. 10 athletes in the process of post-surgical rehabilitation of shoulder instability were volunteers in this study. Muscle strength was tested in the internal (IR) and external (ER) rotation movements in the neutral position using isokinetic dynamometry at two angular velocities - 60 and 180º/s in three moments: before, immediately after, and 10 minutes after the application of WBV. The WBV was applied only once, using a frequency of 30 Hz, with the patient assuming the arm flexion position on the platform during 5 series of 30 seconds of stimulation. Results. The limb with shoulder instability benefited in both movements - ER and IR - and in both angular velocities. The limb without instability, on the other hand, had increased strength only in the RI movements at 60º/s and RE at 180º/s. Conclusions. It is concluded that a single session of WBV applied directly to the upper limbs is capable of acutely improving muscle strength in both limbs in subjects with shoulder instability, with the affected limb being the most benefited. [ABSTRACT FROM AUTHOR]
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- 2023
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117. Patient perceptions after the operative and nonoperative treatment of shoulder instability: A qualitative focus group study.
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van Iersel, Theodore P, Tutuhatunewa, Eric D, Kaman, Ithri, Twigt, Bas A, Vorrink, Sigrid NW, van den Bekerom, Michel PJ, and van Deurzen, Derek FP
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PATIENTS' attitudes , *FOCUS groups , *SHOULDER , *SEMI-structured interviews - Abstract
Background: Little evidence is available regarding patient perceptions of the treatment of shoulder instability. The aim of this study is to investigate patient perceptions regarding the operative and nonoperative treatment of anterior shoulder instability. Methods: Patients who presented to the emergency department or outpatient clinic between 2016 and 2020 were retrospectively selected using diagnosis and procedure codes. Online focus groups and semistructured interviews were conducted, systematically recorded and subsequently transcribed to MaxQDA 2007 for qualitative analysis. Coded transcripts of all focus groups were subjected to a grounded theory–based analysis. Results: Six focus groups and two semistructured interviews were hosted with 35 included patients. The mean age of included patients was 34.1 years (±11.5). Eight patients were female (23%), and 27 patients were male (77%). Fear of (recurrent) dislocation, preoperative counseling, communication between surgeon and physiotherapists and need for a consistent postoperative rehab protocol turned out to be important patient perceptions. The most crucial factor for discontent was a lack of communication from the surgeon. Discussion: This patient-centered focus group study revealed that fear of (recurrent) dislocation, preoperative counseling, communication between surgeons and physiotherapists and the need for a consistent postoperative rehabilitation protocol was the most frequently discussed themes. [ABSTRACT FROM AUTHOR]
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- 2023
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118. Does glenoid bone loss accompany posterior shoulder instability with only labral tear? A magnetic resonance imaging–based study.
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Orhan, Özlem, Sezgin, Erdem Aras, Özer, Mustafa, Ataoğlu, Muhammet Baybars, and Kanatlı, Ulunay
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The primary aim of this study was to investigate bone loss in the glenoid with magnetic resonance imaging in posterior shoulder instability with only a labral tear. A total of 76 patients operated on because of posterior and anteroposterior shoulder instability only with a labral tear between 2006 and 2019 (n = 40 and n = 36, respectively) were included in this study. The instability type, a presence of an additional superior labrum anteroposterior (SLAP) lesion, the number of dislocations, and the magnetic resonance imaging–based measurements (the glenoid diameter and the bone defect size in the glenoid, the Hill-Sachs lesion [HSL] and the reverse HSL [rHSL] length, the angle and the arc length of HSL and rHSL, and the humerus head diameter and its area) were analyzed. The size of the anterior glenoid defect, the rHSL measurements (length, angle, and arc length), and the ratio of the anterior glenoid defect size to the glenoid diameter were significantly higher for anteroposterior instability (P <.01) cases. There was no significant difference (P =.49,.64, and.82, respectively) for the presence of an additional SLAP pathology, the glenoid diameter, the posterior glenoid defect, and the ratio of the posterior glenoid defect size to the glenoid diameter in posterior and anteroposterior instability groups. The increased number of dislocations was associated with increased rHSL length and total arc length (P =.04 and.03, respectively). An additional SLAP lesion in posterior shoulder instabilities was not associated with the bone defect size (P =.29). Although the posterior shoulder instability with only a labral tear is likely to cause a bone defect, we have shown that the instability is not expected to be caused by the bone defect. Therefore, this study points out that only soft tissue repair without considering the bone defect could be promising in this patient group. [ABSTRACT FROM AUTHOR]
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- 2023
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119. Utility of Talus Osteochondral Allograft Augmentation for Varying Hill-Sachs Lesion Sizes: A Cadaveric Study.
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Ganokroj, Phob, Garcia, Alexander R., Hollenbeck, Justin F.M., Fossum, Bradley W., Peebles, Annalise M., Whalen, Ryan J., Chang, Peter S., and Provencher, Matthew T.
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MEDICAL cadavers ,EXPERIMENTAL design ,HOMOGRAFTS ,SHOULDER injuries ,ONE-way analysis of variance ,JOINT instability ,DESCRIPTIVE statistics ,ARTICULAR cartilage injuries ,COMPUTED tomography ,DATA analysis software ,ANKLEBONE - Abstract
Background: Humeral head reconstruction with fresh osteochondral allografts (OCA) serves as a potential treatment option for anatomic reconstruction. More specifically, talus OCA is a promising graft source because of its high congruency with a dense cartilaginous surface. Purpose: To analyze the surface geometry of the talus OCA plug augmentation for the management of shoulder instability with varying sizes of Hill-Sachs lesions (HSLs). Study Design: Controlled laboratory study. Methods: Seven fresh-frozen cadaveric shoulders were tested in this study. The humeral heads were analyzed using actual patients' computed tomography scans. Surface laser scan analysis was performed on 7 testing states: (1) native state; (2) small HSL; (3) talus OCA augmentation for small HSL; (4) medium HSL; (5) talus OCA augmentation for medium HSL; (6) large HSL; and (7) talus OCA augmentation for large HSL. OCA plugs were harvested from the talus allograft and placed in the most medial and superior aspect of each HSL lesion. Surface congruency was calculated as the mean absolute error and the root mean squared error in the distance. A 1-way repeated-measures analysis of variance was performed to evaluate the effects of the difference in the HSL size and associated talus OCA plugs on surface congruency and the HSL surface area. Results: The surface area analysis of the humeral head with the large (1469 ± 75 mm
2 ), medium (1391 ± 81 mm2 ), and small (1230 ± 54 mm2 ) HSLs exhibited significantly higher surface areas than the native state (1007 ± 88 mm2 ; P <.001 for all sizes). The native state exhibited significantly lower surface areas as compared with after talus OCA augmentation for large HSLs (1235 ± 63 mm2 ; P <.001) but not for small or medium HSLs. Talus OCA augmentation yielded improved surface areas and congruency after treatment in small, medium, and large HSLs (P <.001). Conclusion: Talus OCA plug augmentation restored surface area and congruency across all tested HSLs, and the surface area was best improved with the most common HSLs—small and medium. Clinical Relevance: Talus OCA plugs may provide a viable option for restoring congruity of the shoulder in patients with recurrent anterior glenohumeral instability and an HSL. [ABSTRACT FROM AUTHOR]- Published
- 2023
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120. Determining the True Incidence of Glenohumeral Instability Among Players in the National Football League: An Epidemiological Study of Non–Missed Time Shoulder Instability Injuries.
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Anderson, Matthew J.J., Confino, Jamie E., Mack, Christina D., Herzog, Mackenzie M., and Levine, William N.
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GLENOHUMERAL joint physiology ,CONFIDENCE intervals ,SHOULDER joint ,SHOULDER injuries ,JOINT instability ,FOOTBALL injuries ,RETROSPECTIVE studies ,SUBLUXATION ,SPORTS injuries ,DESCRIPTIVE statistics ,SHOULDER dislocations - Abstract
Background: Shoulder instability encompasses a spectrum of glenohumeral pathology ranging from subluxation to dislocation. While dislocation frequently leads to removal from play, athletes are often able to play through subluxation. Previous research on glenohumeral instability among athletes has largely focused on missed-time injuries, which has likely disproportionately excluded subluxation injuries and underestimated the overall incidence of shoulder instability. Purpose: To describe the epidemiology of shoulder instability injuries resulting in no missed time beyond the date of injury (non–missed time injuries) among athletes in the National Football League (NFL). Study Design: Descriptive epidemiology study. Methods: The NFL's electronic medical record was retrospectively reviewed to identify non–missed time shoulder instability injuries during the 2015 through 2019 seasons. For each injury, player age, player position, shoulder laterality, instability type, instability direction, injury timing, injury setting, and injury mechanism were recorded. For injuries that occurred during games, incidence rates were calculated based on time during the season as well as player position. The influence of player position on instability direction was also investigated. Results: Of the 546 shoulder instability injuries documented during the study period, 162 were non–missed time injuries. The majority of non–missed time injuries were subluxations (97.4%), occurred during games (70.7%), and resulted from a contact mechanism (91.2%). The overall incidence rate of game-related instability was 1.6 injuries per 100,000 player-plays and was highest during the postseason (3.5 per 100,000 player-plays). The greatest proportion of non–missed time injuries occurred in defensive secondary players (28.4%) and offensive linemen (19.8%), while kickers/punters and defensive secondary players had the highest game incidence rates (5.5 and 2.1 per 100,000 player-plays, respectively). In terms of direction, 54.3% of instability events were posterior, 31.9% anterior, 8.5% multidirectional, and 5.3% inferior. Instability events were most often anterior among linebackers and wide receivers (50% and 100%, respectively), while posterior instability was most common in defensive linemen (66.7%), defensive secondary players (58.6%), quarterbacks (100.0%), running backs (55.6%), and tight ends (75.0%). Conclusion: The majority of non–missed time shoulder instability injuries (97.4%) were subluxations, which were likely excluded from or underreported in previous shoulder instability studies due to the inherent difficulty of detecting and diagnosing shoulder subluxation. [ABSTRACT FROM AUTHOR]
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- 2023
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121. A Systematic Review of Screw and Suture Button Glenoid Augmentation Constructs.
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Manfredi, John N., Schick, Samuel, Paul, Kyle D., Elphingstone, Joseph W., Sowell, Josiah, Lameka, Megan, Brabston, Eugene W., Momaya, Amit M., and Ponce, Brent A.
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SUTURING ,EXPERIMENTAL design ,ONLINE information services ,SURGICAL instruments ,MEDICAL information storage & retrieval systems ,RESEARCH methodology ,SHOULDER injuries ,JOINT instability ,SYSTEMATIC reviews ,BONE screws ,GLENOHUMERAL joint ,FRACTURE fixation ,DESCRIPTIVE statistics ,SPORTS medicine ,BIOMECHANICS ,MEDLINE ,BONE grafting - Abstract
Background: Glenohumeral dislocations often lead to glenoid bone loss and recurrent instability, warranting bony augmentation. While numerous biomechanical studies have investigated fixation methods to secure a graft to the glenoid, a review of available constructs has yet to be performed. Purpose: To synthesize the literature and compare the biomechanics of screw and suture button constructs for anterior glenoid bony augmentation. Study Design: Systematic review. Methods: A systematic review was conducted in accordance with the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. There were 2 independent reviewers who performed a literature search using the PubMed, Embase, and Google Scholar databases of studies published between 1950 and 2020. Studies were included that compared the biomechanical outcomes of fixation for the treatment of anterior shoulder instability with glenoid bone loss. Results: Overall, 13 of the 363 studies screened met the inclusion criteria. The included studies measured the biomechanical strength of screws or suture buttons on a cadaveric or synthetic Latarjet construct. Screws and suture buttons were biomechanically similar, as both constructs exhibited comparable loads at failure and final displacement. Screw type (diameter, threading, or composition) did not significantly affect construct strength, and double-screw fixation was superior to single-screw fixation. Additionally, 2 screws augmented with a small plate had a higher load at failure than screws that were not augmented. Unicortical double-screw fixation was inferior to bicortical double-screw fixation, although construct strength did not significantly decrease if 1 of these screws was unicortical. Further, 2 screws inserted at 15° off axis experienced significantly higher graft displacement and lower ultimate failure loads than those inserted at 0° parallel to the glenoid. Conclusion: Suture buttons provided comparable strength to screws and offer an effective alternative to reduce screw-related complications. Augmentation with a small plate may clinically enhance construct strength and decrease complications through the dispersion of force loads over a greater surface area. Differences in screw type did not appear to alter construct strength, provided that screws were placed parallel to the articular surface and were bicortical. [ABSTRACT FROM AUTHOR]
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- 2023
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122. Qualitative Research in Return to Sport: a Current Review of the Literature.
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DeMaio, Emily L., Tompson, Jeffrey D., Terry, Michael A., and Tjong, Vehniah K.
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Purpose of Review: Return to sport (RTS) is an important metric tied to patient satisfaction after receiving treatment for a sports-related injury. Recently, there has been an explosion of literature on RTS; yet a comprehensive review encompassing multiple injuries does not exist. Furthermore, RTS has historically been defined by quantitative measures that assess strength, function, and pain but little consideration has been given to psychologic factors nor has there been an open-ended forum for athletes to share with health care providers which factors they feel are most influential for RTS. This review also serves to heighten surgeons' awareness of underlying psychologic/psychosocial factors affecting RTS. Recent Findings: Qualitative studies which employ open-ended questioning of athletes who have undergone surgical management of superior labral anterior–posterior (SLAP) tears, shoulder instability, ulnar collateral ligament (UCL) rupture, femoral acetabular impingement (FAI), and anterior cruciate ligament (ACL) tear demonstrate that fear of reinjury, lack of social support, and unrealistic expectations are all barriers to RTS. Summary: Qualitative studies give health care providers unique insight into the perspectives of their patients so that unmet postoperative needs can be addressed to facilitate RTS. Sports psychologists, coaches, athletic trainers, and physical therapists should create a positive environment to address these needs and provide optimal, holistic care to return athletes to the field safely. Though time consuming, further qualitative research is necessary to understand the unique factors affecting RTS in athletes. [ABSTRACT FROM AUTHOR]
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- 2023
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123. Risk factors for unexpected readmission and reoperation following open procedures for shoulder instability: a national database study of 1,942 cases.
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Tarazi, John M., Partan, Matthew J., Daley, Alton, Klein, Brandon, Bartlett, Luke, and Cohn, Randy M.
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UNIVARIATE analysis , *LOGISTIC regression analysis - Abstract
Background: The purpose of this study was to identify demographics and risk factors associated with unplanned 30-day readmission and reoperation following open procedures for shoulder instability and examine recent trends in open shoulder instability procedures. Methods: The American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database was queried using current procedural terminology (CPT) codes 23455, 23460, and 23462 to find patients who underwent shoulder instability surgery from 2015 to 2019. Independent sample Student t-tests and chi-square tests were used in univariate analyses to identify demographic, lifestyle, and perioperative variables related to 30-day readmission following repair for shoulder instability. Multivariate logistic regression modeling was subsequently performed. Results: In total, 1,942 cases of open surgical procedures for shoulder instability were identified. Within our study sample, 1.27% of patients were readmitted within 30 days of surgery, and 0.85% required reoperation. Multivariate logistic regression modeling confirmed that the following patient variables were associated with a statistically significant increase in the odds of readmission: open anterior bone block/ Latarjet-Bristow procedure, being a current smoker, and a long hospital stay (all P<0.05). Multivariate logistic regression modeling confirmed statistically significant increased odds of reoperation with an open anterior bone block or Latarjet-Bristow procedure (P<0.05). Conclusions: Unplanned 30-day readmission and reoperation after open shoulder instability surgery is infrequent. Patients who are current smokers, have an open anterior bone block or Latarjet-Bristow procedure, or a longer than average hospital stay have higher odds of readmission than others. Patients who undergo an open anterior bone block or Latarjet-Bristow procedure have higher odds of reoperation than those who undergo an open soft-tissue procedure. Level of evidence: III. [ABSTRACT FROM AUTHOR]
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- 2023
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124. Humeral Head Reconstruction With Osteochondral Allograft: Bone Plug Optimization for Hill-Sachs Lesions Using CT-Based Computer Modeling Analysis.
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Ganokroj, Phob, Hollenbeck, Justin, Peebles, Annalise M., Brown, Justin R., Hanson, Jared A., Whalen, Ryan J., Golijanin, Petar, and Provencher, CAPT Matthew T.
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COMPUTER simulation ,HOMOGRAFTS ,THREE-dimensional imaging ,HUMERAL fractures ,SHOULDER injuries ,JOINT instability ,PLASTIC surgery ,DESCRIPTIVE statistics ,GLENOHUMERAL joint ,COMPUTED tomography ,ARTICULAR cartilage ,DATA analysis software ,BONE grafting ,ALGORITHMS - Abstract
Background: Engaging Hill-Sachs lesions (HSLs) pose a significant risk for failure of surgical repair of recurrent anterior shoulder instability. Reconstruction with fresh osteochondral allograft (OCA) has been proposed as a treatment for large HSLs. Purpose: To determine the optimal characteristics of talus OCA bone plugs in a computer-simulated HSL model. Study Design: Descriptive laboratory study; Level of evidence, 6 Methods: Included were 132 patients with recurrent anterior instability with visible HSLs; patients who had multidirectional instability or previous shoulder surgery were excluded. Three-dimensional computed tomography models were constructed, and a custom computer optimization algorithm was generated to maximize bone plug surface area at the most superior apex (superiorization) and minimize its position relative to the most medial margin of the HSL defect (medialization). The optimal number, diameter, medialization, and superiorization of the bone plug(s) were reported. Percentages of restored glenoid track width and conversion from off- to on-track HSLs after bone plug optimization were calculated. Results: A total of 86 patients were included in the final analysis. Off-track lesions made up 19.7% of HSLs and, of these, the mean bone plug size was 9.9 ± 1.4 mm, with 2.2 mm ± 1.7 mm of medialization and 3.3 mm ± 2.9 mm of superiorization. The optimization identified 21% of HSLs requiring 1 bone plug, 65% requiring 2 plugs, and 14% requiring 3 plugs, with a mean overall coverage of 60%. The mean width of the restored HSLs was 68%, and all off-track HSLs (n = 17) were restored to on-track. A Jenks natural-breaks analysis calculated 3 ideal bone plug diameters of 8 mm (small), 10.4 mm (medium), and 12 mm (large) in order to convert this group of HSLs to on-track. Conclusion: Using a custom computer algorithm, we have demonstrated the optimal talus OCA bone plug diameters for reconstructing HSLs to successfully restore the HSL track and, on average, 60% of the HSL surface area and 68% of the HSL width. Clinical Relevance: Reconstructing HSLs with talus OCA is a promising treatment option with excellent fit and restoration of HSLs. This study will help guide surgeons to optimize OCA bone plugs from the humeral head, femoral head, and talus for varying sizes of HSLs. [ABSTRACT FROM AUTHOR]
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- 2023
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125. Assessment of Thresholds for Clinically Relevant Change in the Pediatric/Adolescent Shoulder Survey After Shoulder Instability Surgery: Factors Associated With Meaningful Improvement in Outcomes.
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Wallis-Lang, Kendahl, Bastrom, Tracey P., Boutelle, Kelly E., Wagle, Abigail, Pennock, Andrew T., and Edmonds, Eric W.
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SUTURES ,PATIENT aftercare ,PREOPERATIVE care ,PHYSICAL diagnosis ,CONFIDENCE intervals ,RANGE of motion of joints ,ANALYSIS of variance ,JOINT instability ,HEALTH outcome assessment ,JOINT dislocations ,POSTOPERATIVE care ,RISK assessment ,DESCRIPTIVE statistics ,DISEASE duration ,ROTATIONAL motion ,REPEATED measures design ,RECEIVER operating characteristic curves ,DISEASE complications ,ADOLESCENCE - Abstract
Background: The pediatric/adolescent shoulder survey (PASS) score is a subjective measure of shoulder symptomology in younger patients. Purpose: To establish the minimal clinically important difference (MCID) and minimal detectable change (MDC) for the PASS score in adolescents after surgical treatment for shoulder instability. Study Design: Case series; Level of evidence, 4. Methods: Included were patients aged 12.5 to 23 years who underwent surgical treatment for shoulder instability and who had completed PASS forms preoperatively and at 3 months postoperatively. The MCID was established using an anchor-based approach, with the Single Assessment Numeric Evaluation (SANE) and shortened version of the Disabilities of the Arm, Shoulder and Hand (QuickDASH) as anchors. Change in PASS score between anchor groups was determined using receiver operating characteristic curve analysis. MDC with 90% confidence (MDC
90 ) was also calculated. Range of motion and strength data at 3-month follow-up were evaluated to identify the optimal postoperative PASS score. Factors associated with improvement in PASS score beyond the MDC90 and MCID were determined in a subset of patients with ≥6-month follow-up data. Results: A total of 95 patients were included. The mean PASS score improved significantly from preoperatively to postoperatively (57 ± 15 to 75 ± 16; P <.001). The anchor-based MCID ranged from 12.5 to 13.2 points, with an area under the receiver operating characteristic (AUC) curve of 0.87 for the SANE and 0.99 for the QuickDASH. The MDC90 was 16.5 points. The optimal PASS score at 3 months after surgery was ≥85 (AUC, 0.66). Shorter duration of symptoms, lower preoperative forward elevation, and higher preoperative external rotation were associated with improvement in PASS score above the MDC90 and/or MCID for the subset of patients (n = 25) with ≥6-month follow-up data. Increased number of suture anchors, less preoperative external rotation deficit, and number of previous dislocations had a moderate effect on improvement in outcomes. Conclusion: A postoperative increase in PASS score of ≥16.5 points had a 90% chance of being a true-positive change, while a score change of approximately 13 points was likely clinically relevant. The optimal PASS score after surgery was ≥85. Shorter duration of symptoms, preoperative range of motion, number of surgical anchors, and number of previous dislocations were associated with achieving a clinically relevant improvement in PASS score at minimum 6 months postoperatively. [ABSTRACT FROM AUTHOR]- Published
- 2023
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126. Recurrent Anterior Shoulder Instability Treated Using the Arthroscopic Bankart–Latarjet Technique: Experience of a Peripheral Hospital.
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Fouasson-Chailloux, Alban, Estoppey, Daniel, Perdreau, Alan, Bessière, Charles, Goldstein, Yariv, and Duysens, Christophe
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SHOULDER , *SPORTS re-entry , *COMPUTED tomography , *TOTAL shoulder replacement , *HOSPITALS , *PRACTICE (Sports) - Abstract
The arthroscopic Bankart–Latarjet procedure is used in the surgical management of anterior shoulder instability. This technique is mainly performed in referral centers due to its high technicity. This study aimed to evaluate surgical outcomes in a peripheral hospital center. This is a retrospective study of patients treated for recurrent anterior shoulder instability. The clinical scores (Walch–Duplay, Rowe, and Western Ontario Shoulder Instability Index (WOSI)) were assessed preoperatively and at 12 months after surgery. The consolidation and the position of the bone block were evaluated at 6 months using a CT scan. Between 2016 and 2020, 40 patients had been operated on (mean age: 28.5 ± 7.9 years). During a mean follow-up of 29.5 ± 11.6 months, we noted only one complication, a case of fracture of the callus of a consolidated bone block. No recurrence of instability was recorded. The Walch–Duplay score increased from 17.8 to 94.6, the Rowe score from 24.9 to 96.8, and the WOSI score decreased from 52.1% to 6.9%. The bone block was consolidated in 35 patients (87.5%), and a flush position with the anterior edge of the glenoid was noted for all patients. At one year, 67.0% of the patients practicing sport had returned to sports. The arthroscopic Bankart–Latarjet technique was a reliable procedure in the hands of an experienced shoulder surgeon, even in a peripheral hospital center. [ABSTRACT FROM AUTHOR]
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- 2023
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127. What is the middle term survival of reverse shoulder arthroplasty? A retrospective observational registry-based study.
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Di Martino, Alberto, Pederiva, Davide, Bordini, Barbara, Brunello, Matteo, Tassinari, Leonardo, Rossomando, Valentino, and Faldini, Cesare
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SHOULDER joint surgery , *INFECTION risk factors , *REPORTING of diseases , *PERIOPERATIVE care , *SCIENTIFIC observation , *JOINT instability , *AGE distribution , *REVERSE total shoulder replacement , *SURGICAL complications , *RETROSPECTIVE studies , *TREATMENT effectiveness , *RISK assessment , *SEX distribution , *REOPERATION , *DESCRIPTIVE statistics , *OSTEOARTHRITIS , *DISEASE risk factors - Abstract
Purpose: The use of reverse total shoulder arthroplasty has increased over the last decade. Like any other implant it is associated with complications sometimes leading to revision. We carried out a registry-based study in order to find possible risk factors associated with the need of revision surgery. Methods: The RIPO registry was analyzed from July 2008 to December 2018 collecting available data. Two groups (degenerative or fracture) were formed and compared to determine possible risk factors difference in revision surgery. Results: A total of 7,966 shoulder prosthesis were implanted. There was a 1.5% intra or peri-operative complication rate. The revision rate was 4.0% at a mean follow-up of 4.4 years. A total of 3,073 reverse total shoulder prosthesis were implanted and available for follow-up. An increase of revision rate (the most frequent causes being aseptic loosening, infection and instability) was found in patients younger than 65 years and in male patients. Two groups were then formed on the basis of the primary diagnosis: osteoarthritis and proximal humerus fracture. Comparison between the two groups showed an increase in instability requiring revision in the fracture group. Conclusion: Reverse shoulder prosthesis is a valid treatment option both in the elective and in the trauma settings, but young and male patients should be informed of the inherently increased risk of revision and prosthesis used in the fracture setting should be evaluated more thoroughly to prevent instability. [ABSTRACT FROM AUTHOR]
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- 2023
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128. Short-term outcomes of instability related anterior glenoid fractures treated with open repair utilizing subscapularis split technique.
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Gambhir, Neil, Alben, Matthew G., Larose, Gabriel, and Virk, Mandeep S.
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HOMOGRAFTS , *RANGE of motion of joints , *JOINT instability , *ORTHOPEDIC surgery , *BONE screws , *VISUAL analog scale , *TREATMENT effectiveness , *FRACTURE fixation , *ROTATIONAL motion , *QUESTIONNAIRES , *BONE fractures , *ROTATOR cuff , *DISEASE complications - Abstract
Introduction: The purpose of this series is to report on the one-year clinical outcomes of instability related anterior glenoid fractures treated with open repair utilizing the subscapularis split technique. Methods: Patients with displaced anterior glenoid fractures who underwent open surgical treatment via deltopectoral incision and subscapularis split were identified from a single surgeons database. Fractures were repaired using screw fixation or with distal tibia osteochondral allograft reconstruction. Patient Reported Outcome Measurement Information System (PROMIS) Upper Extremity Computer Adaptive Test (UE), PROMIS Pain interference (PI), PROMIS pain intensity (Pi), American Shoulder and Elbow Surgeons (ASES), Visual Analog Scale (VAS) pain, and Subjective Shoulder Value (SSV) scores were obtained at minimum one-year follow-up. Results: Twelve patients with a mean age of 54 (range 28–72) years were included in our study with a follow-up at an average of 16.6 (range 12–30) months. Ten patients underwent internal fixation and two patients underwent allograft reconstruction. Postoperative imaging (n = 10) at latest follow-up demonstrated healed fractures without any hardware complication. Mean postoperative range of motion included forward elevation of 147 ± 44.0° and external rotation of 44 ± 17°. Postoperative PROMs were obtained from nine patients with a mean PROMIS UE, PI, and Pi score of 49.4 ± 4.1, 39.9 ± 3.8 and 35.6 ± 4.3, respectively. The respective mean ASES, VAS, and SSV scores were 91.8 ± 7.2, 1.2 ± 1.0, and 91.0 ± 8.0. Conclusion: Open surgical repair of anterior glenoid fractures utilizing subscapularis split results in good functional outcomes and low complications including risk of recurrent instability. Level of Evidence: III case series. [ABSTRACT FROM AUTHOR]
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- 2023
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129. Is lesser tuberosity morphology related to subscapularis tears and anterior shoulder instability?
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Yaka, Haluk, Özer, Mustafa, and Kanatlı, Ulunay
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SHOULDER , *MORPHOLOGY , *SENSITIVITY & specificity (Statistics) , *MAGNETIC resonance , *HUMERUS , *SCAPULA - Abstract
Purpose: Although the morphological relationship of the scapula and the humeral head has been claimed to be related to shoulder pathologies, few studies examined the relationship between subscapularis (Ssc) tears and lesser tuberosity (LT)—humeral head (HH) and between Ssc tears and HH—glenoid. This study aims to evaluate the relationship of LT with HH and glenoid in patients with Ssc tears and anterior shoulder instability (ASI). We hypothesized that the glenoid, HH, and their combined relationship with LT may impact Ssc tears and ASI. Material and methods: The study included 34 patients with ASI, 28 patients with isolated Ssc tears, and 40 patients as the control group. The radius of HH (Hr), the distance between the center of HH and LT (LTr), and the glenoid radius (Gr) were measured in shoulder magnetic resonance (MR) images. The LTr to Hr (LTr/Hr) ratio was defined as the lesser tuberosity-humeral head index (LTHHI), whereas the LTr to Gr (LTr/Gr) ratio was defined as the lesser tuberosity-glenoid index (LTGI). The three groups were compared regarding LTHHI, LTGI, LTr, Hr, and Gr. Results: There was a significant difference between each group concerning LTGI (p < 0.001). LTGI values below 1.99 showed 93.1% sensitivity and 93.3% specificity for Ssc tears, while values above 2.24 showed 86.7% sensitivity and 86.2% specificity for ASI. Also, there was a significant difference when the groups were compared for LTHHI (p < 0.001). This rate was lowest for Ssc tears, and LTHHI values below 1.17 showed 82.8% sensitivity and 80.1% specificity. Conclusion: LTGI may be a new predictive factor showing 93.1% sensitivity and 93.3% specificity for Ssc tears and 86.7% sensitivity and 86.2% specificity for ASI. In addition, LTHHI may be a new predictive factor showing 82.8% sensitivity and 80.1% specificity for Ssc tears. Level of evidence: III retrospective comparative study. [ABSTRACT FROM AUTHOR]
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- 2023
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130. Effect of Glenohumeral Joint Bone Morphology on Anterior Shoulder Instability: A Case-Control Study.
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Kıvrak, Aybars and Ulusoy, İbrahim
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SHOULDER , *GLENOHUMERAL joint , *SHOULDER dislocations , *JOINTS (Anatomy) , *SCAPULA , *SHOULDER joint , *CASE-control method , *CURVATURE measurements - Abstract
Purpose: Glenohumeral joint compatibility and bone morphology are among the most critical factors in shoulder stabilization. Our study investigated the effect of the bone morphological structure of the shoulder joint on anterior shoulder dislocation. Methods: In our study, people with a history of shoulder dislocation were selected as the patient group. In the control group, patients with shoulder MRIs for any reason and no history of shoulder dislocation were included. Those who have a fracture around the shoulder, a congenital deformity in the shoulder region, arthrosis of the shoulder, those whose MRI images cannot be measured, those with Hill-Sachs lesion, connective tissue diseases (such as Ehler Danlos), who are unsure of their diagnosis, or who have incomplete and incorrect suspicious information in their patient file have been excluded. In our retrospective case-control study, glenoid width, glenoid height, glenoid's height-to-width ratio, glenoid's depth, glenoid's version, glenoid's inclination, humerus radius of curvature, glenoid radius of curvature, and bony shoulder stability ratio were measured on MRI images of the patients. The sample size for each group was determined using a power analysis method. The intra-class coefficient (ICC) assessed interobserver and intraobserver reliability. Results: A total of 80 patients, 40 each in the control and patient groups, were included in the study. Glenoid width was measured as 24.27 ± 1.58 in the patient group, 25.61 ± 1.72 in the control group; glenoid height was as measured 36.49 ± 2.26 in the patient group, 36.74 ± 1.99 in the control group; height-to-width ratio was measured as 1.5 ± 0.08 in the patient group, 1.43 ± 0.05 in the control group; glenoid version was as measured −0.53 ± 1.17 in the patient group, −1.44 ± 1.1 in the control group; glenoid inclination was measured as 1.44 ± 3.93 patient group, 2.64 ± 3.81 in the control group; glenoid depth was measured as 1.69 ± 0.41 in the patient group, 2.12 ± 0.53 in the control group; humerus radius of curvature was measured as 29.70 ± 6.76 in the patient group, 24.98 ± 3.22 in the control group; glenoid axial radius of curvature was measured as 61.8 ± 13.52 in the patient group, 52.53 ± 15.69 in the control group; glenoid coronal radius of curvature was measured as 43.01 ± 7.47 in the patient group, 37.74 ± 6.89 in the control group; the bony shoulder stability ratio was measured as 0.35 ± 0.06 in the patient group and 0.44 ± 0.06 in the control group. In the statistical evaluation, the glenoid width (p < 0.001), the glenoid height/width ratio (p < 0.001), the glenoid version (p < 0.001), the depth of the glenoid cavity (p < 0.001), and the radius of curvature measurements of the humeral head (p < 0.001) and the glenoid (axial, p < 0.007; coronal, p < 0.001) were found to be significantly different. Glenoid height and inclination were similar in both groups. Conclusions: The detection of bone morphological features that constitute risk factors for shoulder dislocations plays an important role in preventing shoulder dislocations. In this way, it provides essential data on personalized rehabilitation programs and treatment selection for recurrent dislocations. [ABSTRACT FROM AUTHOR]
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- 2023
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131. Outcomes Following Combined Posterior Labral and SLAP Repair in Military Patients Younger Than 35 Years.
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Green, Clare K., Scanaliato, John P., Sandler, Alexis B., Czajkowski, Hunter, Childs, Benjamin R., Fink, Walter A., Dunn, John C., and Parnes, Nata
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RANGE of motion of joints , *SHOULDER injuries , *ARTHROSCOPY , *MILITARY medicine , *JOINT instability , *HEALTH outcome assessment , *SURGERY , *PATIENTS , *RETROSPECTIVE studies , *ACQUISITION of data , *FISHER exact test , *TREATMENT effectiveness , *COMPARATIVE studies , *PRE-tests & post-tests , *MEDICAL records , *DESCRIPTIVE statistics , *DATA analysis software , *MILITARY personnel , *LONGITUDINAL method , *TOTAL shoulder replacement , *REHABILITATION , *ADULTS - Abstract
Background: Members of the military are known to experience disproportionately high rates of both glenohumeral instability and superior labrum anterior-posterior (SLAP) tears when compared with civilian populations. Although the outcomes after simultaneous repair of Bankart and SLAP lesions have been well described, there is a paucity of literature available regarding the operative management of posterior instability with concomitant superior labral pathology. Purpose: To compare outcomes of combined arthroscopic posterior labral and SLAP repair with those of isolated posterior labral repair. Study Design: Cohort study; Level of evidence, 3. Methods: All consecutive patients younger than 35 years who underwent arthroscopic posterior labral repair from January 2011 to December 2016 with a minimum follow-up of 5 years were identified. From this cohort of eligible patients, all individuals who had undergone combined SLAP and posterior labral repair (SLAP cohort) versus posterior labral repair alone (instability cohort) were then identified. Outcome measures including the visual analog scale score, Single Assessment Numeric Evaluation (SANE), American Shoulder and Elbow Surgeons (ASES) score, Rowe instability score, and range of motion were collected pre- and postoperatively and scores were compared between groups. Results: In total, 83 patients met the inclusion criteria for the study. All patients were active-duty military at the time of surgery. The mean follow-up was 93.79 ± 18.06 months in the instability group and 91.24 ± 18.02 months in the SLAP group (P =.5228). Preoperative SANE and ASES scores were significantly worse in the SLAP group. Both groups experienced statistically significant improvements in outcome scores postoperatively (P <.0001 for all), and there were no significant differences in any outcome scores or range of motion between groups. In total, 39 patients in the instability cohort and 37 in the SLAP cohort returned to preinjury levels of work (92.86% vs 90.24%, respectively; P =.7126), and 38 instability patients and 35 SLAP patients returned to preinjury levels of sporting activity (90.48% vs 85.37%, respectively; P =.5195). Two patients in the instability group and 4 patients in the SLAP group were medically discharged from the military (4.76% vs 9.76%; P =.4326), and 2 patients in each cohort had experienced treatment failure at the final follow-up (4.76% vs 4.88%; P >.9999). Conclusion: Combined posterior labral and SLAP repair led to statistically and clinically significant increases in outcome scores and high rates of return to active-duty military service that did not differ significantly from the results after isolated posterior labral repair. The results of this study indicate that simultaneous repair is a viable treatment option for the management of combined lesions in active-duty military patients <35 years of age. [ABSTRACT FROM AUTHOR]
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- 2023
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132. Biomechanical Analysis of Anteroinferior Bankart Repair Anchor Types.
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Yanke, Adam B., Allahabadi, Sachin, Wang, Zachary, Credille, Kevin T., Shewman, Elizabeth, Bonadiman, Joao Artur, Elias, Tristan J., Hevesi, Mario, Garrigues, Grant E., and Verma, Nikhil N.
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SUTURING , *IN vitro studies , *MEDICAL cadavers , *SHOULDER injuries , *COMPARATIVE studies , *DESCRIPTIVE statistics , *RESEARCH funding , *BIOMECHANICS , *STATISTICAL sampling - Abstract
Background: All-suture anchors and knotless anchors are increasingly used in the repair of anteroinferior labral tears in patients with shoulder instability. Optimal repair constructs may limit recurrent instability. Purpose: To perform a quantitative biomechanical comparison of 3 labral fixation devices for soft tissue Bankart lesions: knotless soft-body tensionable anchor (SB knotless), knotted soft-body anchor (SB knotted), and knotless hard-body PEEK (polyether ether ketone) interference anchor (HB knotless). Study Design: Controlled laboratory study. Methods: A total of 21 glenoid specimens were randomized into 3 groups: SB knotless, SB knotted, and HB knotless. Artificial Bankart lesions were created at the anteroinferior labrum. Anchors were placed at the 3:30, 4:30, and 5:30 clockface positions, and sutures were passed through 1 cm of tissue. Anchors were tested simultaneously as one construct by pulling capsular tissue connected to the anteroinferior quadrant. Cyclic loading (5-25 N, 100 cycles) was followed by load-to-failure testing (15 mm/min). Biomechanical testing variables were collected, and failure mechanisms were recorded per individual anchor. Results: There were no differences in baseline specimen characteristics. There was no difference in elongation during cyclic loading (P =.40). The ultimate load to failure between SB knotless (309.7 ± 125.6 N), SB knotted (226.4 ± 34.8 N), and HB knotless (256.5 ± 90.5 N) did not significantly differ (P =.25). Failure mechanisms differed among groups (P =.008); mechanisms included anchor pullout (SB knotless: 33.3%; SB knotted: 23.8%; HB knotless: 28.6%), suture pull-through (SB knotless: 66.7%; SB knotted: 38.1%; HB knotless: 33.3%), and anchor fixation method failure, defined as knot failure for knotted anchors or locking mechanism failure for knotless anchors (SB knotless: 0.0%; SB knotted: 38.1%; HB knotless: 38.1%).) Conclusion: The SB knotless, SB knotted, and HB knotless labral fixation anchors studied exhibited comparable elongation during cyclic loading, stiffness, and ultimate loads to failure in a cadaveric model. However, the failure mechanisms significantly differed, as SB knotless anchors failed primarily from suture pull-through, while SB knotted and HB knotless anchors were subject to knot failure and locking mechanism failure, respectively. Clinical Relevance: These data support the benefit of SB knotless anchors for anteroinferior labral repair in limiting knot failure typically seen with knotted anchors, perhaps demonstrating that all-suture anchors may have better locking mechanism quality than their PEEK counterparts. [ABSTRACT FROM AUTHOR]
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- 2023
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133. Epidemiology of shoulder instability procedures: A comprehensive analysis of complications and costs.
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Best, Matthew J, Wang, Kevin Y, Nayar, Suresh K, Agarwal, Amil R, Kreulen, R Timothy, Sharma, Sribava, McFarland, Edward G, and Srikumaran, Uma
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ARTHROSCOPY , *COST analysis , *SHOULDER , *LOGISTIC regression analysis , *EPIDEMIOLOGY , *SURGICAL complications - Abstract
Background: Recurrent shoulder instability is a debilitating condition that can lead to chronic pain, decreased function, and inability to return to activities or sport. This retrospective epidemiology study was performed to report 90-day postoperative complications and costs of Latarjet, anterior bone block reconstruction, arthroscopic, and open Bankart repair for shoulder instability. Methods: Patients 18 years and older who underwent four primary shoulder surgeries from 2010 to 2019 were identified using national claims data. Patient demographics, comorbidities, and 90-day postoperative complications were analyzed using univariate analysis and multivariable logistic regression. Total and itemized 90-day reimbursements were determined for each procedure. Results: The 90-day medical and surgery-specific complication rates were highest for anterior bone block reconstruction, followed by Latarjet. Arthroscopic Bankart repair had the highest 90-day costs and primary procedure costs compared to other procedures. Conclusion: Anterior bone block reconstruction and Latarjet procedures were associated with the highest rates of 90-day medical and surgery-specific complications, while arthroscopic Bankart repair was associated with the highest costs. [ABSTRACT FROM AUTHOR]
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- 2023
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134. A systematic review to compare physiotherapy treatment programmes for atraumatic shoulder instability.
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Griffin, Jake, Jaggi, Anju, Daniell, Helena, and Chester, Rachel
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PATIENT reported outcome measures , *PHYSICAL therapy , *FUNCTIONAL training , *SHOULDER , *STRENGTH training - Abstract
Background: Optimal physiotherapy treatment is uncertain for atraumatic shoulder instability (ASI), the primary aim of this systematic scoping review was to compare physiotherapy treatment programmes for people with ASI. The secondary aims were to evaluate outcome measures used and to compare the effectiveness of these programmes. Methods: CINAHL, EMBASE and Medline databases were searched for studies, except single case studies, published between 1950 and July 2021. 12 critical appraisal items covered three domains; internal validity, transferability to wider population and reporting. Results: Ten studies were included; one randomised controlled trial, 6 cohort studies and 3 case series. There were 491 participants. Treatment programmes included education, movement re-education, static posture correction, shoulder muscle strengthening, functional training, and adjuncts. All studies used patient reported outcome measures (PROMs), 7 of which reported a statistically significant improvement (p < 0.05) post-treatment. There was no clear relationship between programmes and outcomes. PROMs specific to shoulder instability were all found to detect statistically significant differences post-treatment. Discussion: There does not appear to be one optimal physiotherapy treatment programme for ASI. Future studies should use PROMs that are valid in the shoulder instability population and use more outcome measures that are specific to impairments being targeted. [ABSTRACT FROM AUTHOR]
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- 2023
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135. A history of shoulder instability is more common in young patients undergoing total shoulder arthroplasty.
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Kallevang, Jonathan K., Wieschhaus, Kyle, Olsen, Aaron A., Goldman, Ashton H., Hammond, James, and Balazs, George C.
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- 2023
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136. Outcomes at Long-term Follow-up After Open Latarjet Versus Open Bankart Repair in Rugby Players.
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Bonnevialle, Nicolas, Mattési, Lucas, Martinel, Vincent, Letartre, Romain, Barret, Hugo, and Mansat, Pierre
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PATIENT aftercare ,EVALUATION of medical care ,SHOULDER injuries ,JOINT instability ,ORTHOPEDIC surgery ,SURGERY ,PATIENTS ,RETROSPECTIVE studies ,COMPARATIVE studies ,DISEASE relapse ,DESCRIPTIVE statistics ,RUGBY football injuries ,LONGITUDINAL method ,EVALUATION - Abstract
Background: Because rugby is a collision sport, it exposes players to a high risk of recurrence after anterior shoulder stabilization. Therefore, the choice of surgical procedure warrants close attention in order to optimize the time to return to sport and the stability of the shoulder throughout the player's career. Hypothesis: The open Latarjet procedure would allow for a faster return to play and provide a lower rate of recurrence than the open Bankart repair at long-term follow-up. Study Design: Cohort study; Level of evidence, 3. Methods: The study retrospectively enrolled 62 competitive rugby players who had undergone an anterior shoulder instability procedure and had at least 5 years of follow-up data. A total of 32 players treated with an open Bankart repair (BK group) were compared with 30 players (31 shoulders) treated with an open Latarjet procedure (LT group). Outcomes between groups were compared with the Rowe score, Walch-Duplay score, recurrence rate, and osteoarthritis evaluation on plain radiograph (Samilson classification). Results: The recurrence rate was significantly higher at 18.8% for the BK group (mean follow-up, 6.9 ± 1.7 years) compared with 3.3% for the LT group (mean follow-up, 6.2 ± 1.4 years) (P =.04). No postoperative complications occurred in the BK group, whereas 1 infection and 1 hematoma required a second surgery in the LT group (P =.14). In the BK and LT groups, 97% and 90% of players, respectively, were able to return to rugby at the same level or higher (P =.27), at a mean time of 8 and 6.3 months, respectively (P =.03). The mean Rowe and Walch-Duplay scores were not significantly different between the groups; however, the osteoarthritis rate was significantly higher in the BK versus the LT group (68% vs 38%, respectively; P =.03); 23% of patients, all in the BK group, had Samilson grade 2 osteoarthritis. Conclusion: The open Latarjet procedure outperformed the open Bankart procedure in terms of stability, time to return to play, and radiological outcomes at long-term follow-up in competitive rugby players. [ABSTRACT FROM AUTHOR]
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- 2023
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137. Risk factors for unexpected admission following arthroscopic and open treatment of shoulder instability: a national database study of 11,230 cases
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Joshua Giordano, John M. Tarazi, Matthew J. Partan, and Randy M. Cohn
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shoulder instability ,arthroscopy ,risk factors ,readmission ,reoperation ,Orthopedic surgery ,RD701-811 - Abstract
Background Shoulder instability procedures have low morbidity; however, complications can arise that result in readmission to an inpatient healthcare facility. The purpose of this study is to identify the demographics and risk factors associated with unplanned 30-day readmission and reoperation following arthroscopic and open treatment for shoulder instability. Methods The American College of Surgeons National Surgical Quality Improvement Program database was queried to find patients who underwent shoulder instability surgery from 2015 to 2019. Independent sample Student t-tests, chi-square, and (where appropriate) Fisher’s exact tests were used in univariate analyses to identify demographic, lifestyle, and perioperative variables related to 30-day readmission and reoperation following repair for shoulder instability. Multivariate logistic regression modeling was subsequently performed. Results Of the 11,230 cases included in our sample, only 0.54% were readmitted, and 0.23% underwent reoperation within the 30-day postoperative period. Multivariate logistic regression modeling confirmed that the following patient variables were associated with statistically significantly increased odds of readmission and reoperation: open repair, congestive heart failure (CHF), and hospital length of stay. Conclusions Unplanned 30-day readmission and reoperation after shoulder instability surgery is infrequent. Patients with American Society of Anesthesiologists class II, CHF, longer than average hospital length of stay, or an open procedure have higher odds of readmission than patients without those factors. Patients who have CHF, longer than average hospital length of stay, and open surgery have higher odds of reoperation than others. Arthroscopic procedures should be used to manage shoulder instability, if possible. Level of evidence III.
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- 2023
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138. Mid-term to long-term results of open posterior bone block grafting in recurrent posterior shoulder instability: a clinical and CT-based analysis
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Christina Villefort, MD, Christoph Stern, MD, Christian Gerber, MD, FRCSEd (Hon), Sabine Wyss, Lukas Ernstbrunner, MD, and Karl Wieser, MD
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Posterior shoulder instability ,Posterior bone block procedure ,Recurrent posterior shoulder instability ,Shoulder instability ,Posterior subluxation ,Posterior glenoid deficiency ,Orthopedic surgery ,RD701-811 ,Diseases of the musculoskeletal system ,RC925-935 - Abstract
Background: There is little consensus on the best treatment after failed conservative management of recurrent posterior shoulder instability. The purpose of this study was to analyze our clinical and radiological mid-term to long-term results of an open, posterior bone block procedure for the treatment of recurrent posterior shoulder instability. Methods: From 1999 to 2015, 14 patients were included in the study and available for clinical and radiographic follow-up (FU). FU included a standardized physical examination, assessment of the Constant-Murley-Score, subjective shoulder value, American Shoulder and Elbow Surgeons score, and Western Ontario Shoulder Instability Index. Conventional radiographs and a computed tomography (CT)–scan were performed preoperatively and at latest FU. Glenohumeral arthropathy was classified as per Samilson and Prieto. The CT scans were used to evaluate the structure of the graft (resorption, union), graft positioning, glenoid version, centering of the humeral head, and glenoid erosion and morphology. Results: The median age at the time of surgery was 26 years (range 16-41 years) and the median FU period was 9 years (range 4-20 years). The rate of reported dynamic postoperative subluxation and instability was 46% (n = 6) and the rate of dynamic posterior instability during clinical testing at FU was 31% (n = 4). The tested instability rate in the traumatic group was 14% (n = 1) compared to the atraumatic group with 50% (n = 3) during clinical FU. The mean Constant-Murley-Score increased from preoperatively (77 ± 11 points) to postoperatively (83 ± 14 points, P = .158). The last FU showed an American Shoulder and Elbow Surgeons score of 85 ± 12; the Western Ontario Shoulder Instability Index score was 715 ± 475 points. The mean subjective shoulder value increased from 58% ± 19 preoperatively to 73% ± 17 at final FU (P = .005). Degenerative changes increased by at least one grade in 67% of the patients. Mean preoperative glenoid retroversion (CT) was 7.5° ± 6°. The position of the graft was optimal in 86% (n = 12). In 62% of the cases, a major resorption of the graft (Zhu grade II) was observed. Conclusion: The rate of tested recurrent instability at last FU was as high as 31% (n = 4, atraumatic [n = 3] vs. traumatic [n = 1]) after a median FU of 9 years. Given the moderate improvement of clinical outcome scores, shoulder stability and the increase of degenerative joint changes by at least one grade (Samilson/Prieto) in 67% of patients, a posterior bone block procedure is not a uniformly satisfying treatment option for recurrent posterior shoulder subluxation, especially in cases of atraumatic posterior instability.
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- 2023
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139. Rotator Cuff Muscle Imbalance in Patients with Chronic Anterior Shoulder Instability
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Du-Han Kim, Ji-Hoon Kim, and Chul-Hyun Cho
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shoulder instability ,rotator cuff ,muscle imbalance ,dislocation ,Medicine (General) ,R5-920 - Abstract
(1) Background: Both intra-articular pathologies and muscle imbalance can be a cause of shoulder instability. The purpose of this study is to examine the cross-sectional areas of the rotator cuff muscle in patients with acute and chronic anterior shoulder instability and to determine the associations between imbalance and chronicity of the rotator cuff. (2) Methods: Patients with confirmed dislocation of the anterior shoulder were included. The patients were divided into two groups according to the time between the initial dislocation event and when MRI imaging was performed Measurements of the rotator cuff muscle areas were performed in the scapular Y view and glenoid face view using MRI. (3) Results: A total of 56 patients were enrolled. In the Y view, a larger area of supraspinatus muscle was observed in the chronic group compared with the acute group (17.2 ± 2.3% vs. 15.6 ± 2.2%, p = 0.006). However, a smaller area of subscapularis muscle was observed in the chronic group (47.1 ± 3.5% vs. 49.6 ± 5.3%, p = 0.044). Using the glenoid face view, a larger area of supraspinatus muscle was observed in the chronic group than in the acute group (18.5 ± 2.5% vs. 15.8 ± 2.2%, p < 0.001). However, a smaller area of subscapularis muscle was observed in the chronic group (41.6 ± 3.2% vs. 45.6 ± 4.4%, p < 0.001). (4) Conclusion: Larger areas of supraspinatus muscle compared with acute instability were observed in patients with chronic anterior shoulder instability. In contrast, a smaller area of subscapularis muscle was observed in the chronic group.
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- 2024
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140. Can We Identify Why Athletes Fail to Return to Sports After Arthroscopic Bankart Repair? A Systematic Review and Meta-analysis.
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Kim, Michael, Haratian, Aryan, Fathi, Amir, Kim, Daniel R., Patel, Nilay, Bolia, Ioanna K., Hasan, Laith K., Petrigliano, Frank A., and Weber, Alexander E.
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SPORTS participation , *PSYCHOLOGY of athletes , *ONLINE information services , *META-analysis , *CONFIDENCE intervals , *PHOBIAS , *CONFIDENCE , *SHOULDER injuries , *ARTHROSCOPY , *SYSTEMATIC reviews , *JOINT instability , *SPORTS injuries , *CONTINUING education units , *TREATMENT failure , *RISK assessment , *CONTINUING medical education , *DESCRIPTIVE statistics , *MEDLINE , *DATA analysis software , *STATISTICAL models , *WOUNDS & injuries - Abstract
Background: No previous systematic reviews have reported on athletes who fail to return to sports after arthroscopic Bankart repair. Purpose: To review the literature on athletes who fail to return to sports after arthroscopic Bankart repair to determine the rate of athletes who did not return to sports and to identify the specific reasons for failure to return to sports by nonreturning athletes. Study Design: Systematic review and meta-analysis. Methods: A meta-analysis was conducted following the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. Three electronic databases (PubMed, Scopus, Web of Science) were queried for articles meeting the inclusion criteria. Studies were considered eligible only if reporting the rate of failure for return to sports and providing the specific reasons why athletes were unable to return to sports. All records were screened by title, abstract, and full text by 2 authors independently, with any discrepancies resolved by a third senior author. For articles selected for inclusion, data were collected on the number of athletes, average age, average follow-up time, type of sport played, rate of failure to return to sports, and specific reasons for failure to return. A random-effects model was used to conduct the meta-analysis. Results: Seventeen studies were selected for inclusion reporting on a total of 813 athletes. The calculated weighted rate of failure to return to sports after arthroscopic Bankart repair was 15.6% (95% CI, 10.9%-21.1%). A significantly higher proportion of athletes cited shoulder-dependent versus shoulder-independent reasons for failure to return to sports (81.7% vs 18.3%; P <.0001). The most cited reasons for failure to return included recurrent or persistent instability (33.3%), fear of reinjury (17.7%), apprehension (9.9%), changes in priorities or personal interest (8.5%), lack of time (7.1%), and discomfort or pain with sports (6.4%). Conclusion: Our study estimated the rate of failure to return to sports after arthroscopic Bankart repair to be 15.6%, with most athletes citing shoulder-related reasons as the primary factor precluding return. Identifying the potential reasons preventing successful return to sports can guide surgeons in counseling athletes regarding postoperative expectations and addressing hesitations for returning to sports. [ABSTRACT FROM AUTHOR]
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- 2023
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141. Recurrence of glenohumeral instability in patients with isolated rotator cuff repair after a traumatic shoulder dislocation.
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Marsalli, Michael, Errázuriz, Juan De Dios, Morán, Nicolás I., and Cartaya, Marco A.
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SHOULDER dislocations , *ROTATOR cuff , *TOTAL shoulder replacement , *CHI-squared test , *TRAUMA centers , *MEDICAL records , *STATISTICAL significance - Abstract
Introduction: The primary objective of this study was to assess the incidence of recurrent glenohumeral instability in patients over 40 years with isolated rotator cuff (RC) repair for traumatic shoulder dislocation. The secondary objectives were to identify risk factors for glenohumeral recurrence after RC repair and to describe the causes and incidences of re-intervention. Materials and methods: In this retrospective cohort study, data of consecutive patients at a single trauma center between January 2014 and July 2019 were reviewed, and 84 patients with a mean age of 57 (range: 40–75) years and follow-up duration of 3.9 (2–6) years were included. The inclusion criteria were as follows: first traumatic anterior shoulder dislocation, reparable RC tear, primary arthroscopic RC repair, no labral or bony Bankart lesion repair, and at least 2 years of follow-up. Patients less than 40 years of age were excluded. Shoulder instability recurrences and surgical reinterventions were reviewed with medical records. Statistical analysis was performed for qualitative variables using the Chi-squared test. Statistical significance was set at P ≤ 0.05. Results: There was one patient with a redislocation episode (1.2%) at 2.5 years after surgery, who was surgically treated. Age, subscapular tears, bony Bankart injuries, humeral defects, and associated neurological injuries were not risk factors for recurrence in this study. Ten patients (11.9%) required reintervention. Nine patients (10.7%) re-tore their RCs. Conclusions: Recurrent glenohumeral instability in active patients over 40 years with isolated RC repair after traumatic shoulder dislocation was infrequent, despite the incidence of significant Hill–Sachs defects, anterior glenoid defects, bipolar bone defects, size of the RC injury, and tendon re-tears. The incidence of re-interventions was 11.9%, with symptomatic RC retear as the main cause. [ABSTRACT FROM AUTHOR]
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- 2023
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142. Complete Restoration of Native Glenoid Width Improves Glenohumeral Biomechanics After Simulated Latarjet.
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Rauck, Ryan C., Brusalis, Christopher M., Jahandar, Amirhossein, Lamplot, Joseph D., Dines, David M., Warren, Russell F., Gulotta, Lawrence V., Kontaxis, Andreas, and Taylor, Samuel A.
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GLENOHUMERAL joint physiology , *MEDICAL cadavers , *STATISTICS , *SHOULDER injuries , *JOINT instability , *ORTHOPEDIC surgery , *OSTEOTOMY , *SIMULATION methods in education , *TREATMENT effectiveness , *GLENOHUMERAL joint , *SCAPULA , *RESEARCH funding , *ABDUCTION (Kinesiology) , *ROTATIONAL motion , *DESCRIPTIVE statistics , *BIOMECHANICS , *COMPUTED tomography , *DATA analysis software , *DATA analysis , *TRANSPLANTATION of organs, tissues, etc. , *WEIGHT-bearing (Orthopedics) - Abstract
Background: The amount of glenoid width that must be restored with a Latarjet procedure in order to reestablish glenohumeral stability has not been determined. Purpose/Hypothesis: The purpose of this article was to determine the percentage of glenoid width restoration necessary for glenohumeral stability after Latarjet by measuring anterior humeral head translation and force distribution on the coracoid graft. The hypothesis was that at least 100% of glenoid width restoration with Latarjet would be required to maintain glenohumeral stability. Study Design: Controlled laboratory study. Methods: Nine cadaveric shoulders were prepared and mounted on an established shoulder simulator. A lesser tuberosity osteotomy (LTO) was performed to allow accurate removal of glenoid bone. Coracoid osteotomy was performed, and the coracoid graft was sized to a depth of 10 mm. Glenoid bone was sequentially removed, and Latarjet was performed using 2 screws to reestablish 110%, 100%, 90%, and 80% of native glenoid width. The graft was passed through a subscapularis muscle split, and the LTO was repaired. A motion tracking system recorded glenohumeral translations, and force distribution was recorded using a TekScan pressure sensor secured to the glenoid face and coracoid graft. Testing conditions included native; LTO; Bankart tear; and 110%, 100%, 90%, and 80% of glenoid width restoration with Latarjet. Glenohumeral translations were recorded while applying an anteroinferior load of 44 N at 90° of humerothoracic abduction and 0° or 45° of glenohumeral external rotation. Force distribution was recorded without an anteroinferior load. Results: Anterior humeral head translation progressively increased as the proportion of glenoid width restored decreased. A marked increase in anterior humeral head translation was found with 90% versus 100% glenoid width restoration (10.8 ± 3.0 vs 4.1 ± 2.6 mm, respectively; P <.001). Greater glenoid bone loss also led to increased force on the coracoid graft relative to the native glenoid bone after Latarjet. A pronounced increase in force on the coracoid graft was seen with 90% versus 100% glenoid width restoration (P <.001). Conclusion: Anterior humeral head translation and force distribution on the coracoid graft dramatically increased when <100% of the native glenoid width was restored with a Latarjet procedure. Clinical Relevance: If a Latarjet is unable to fully restore the native glenoid width, surgeons should consider alternative graft sources to minimize the risk of recurrent instability or coracoid overload. [ABSTRACT FROM AUTHOR]
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- 2023
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143. Atypical Shoulder Instability Patterns in Adolescents Following Traumatic Anterior Shoulder Dislocation.
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Cannamela, Peter, Cutler, Holt, Sohn, Garrett, Wyatt, Charles, Wilson, Philip L., and Ellis, Henry B.
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INJURY risk factors , *RESEARCH , *SKELETAL muscle , *SHOULDER injuries , *JOINT instability , *AGE distribution , *CROSS-sectional method , *SPORTS injuries , *EPIDEMIOLOGY , *MAGNETIC resonance imaging , *RETROSPECTIVE studies , *RISK assessment , *OSTEOPOROSIS , *DESCRIPTIVE statistics , *WOUNDS & injuries , *SHOULDER dislocations , *STATISTICAL correlation , *DISEASE risk factors , *DISEASE complications , *ADOLESCENCE - Abstract
Background: Traumatic anterior shoulder instability is common in the adolescent athlete, and when it is untreated, the recurrence rate is high. Atypical lesions—such as anterior glenoid periosteal sleeve, humeral glenohumeral ligament, and insertional tendon avulsions—may occur within this population, and accurate diagnosis and appropriate lesion management are key to treatment success. Purpose: To evaluate the age, skeletal immaturity, bone loss, and uncommon soft tissue lesions as correlates of posttraumatic anterior shoulder instability lesion patterns in an adolescent population. Study Design: Cross-sectional study, Level of evidence, 3. Methods: Consecutive patients ≤18 years of age (160 shoulders) treated within a single institution for traumatic anterior shoulder instability between June 2013 and June 2021 were reviewed. Demographics, injury mechanism, radiographic and magnetic resonance imaging of lesions, the presence of any bone loss, operative findings, and physeal status were recorded. An overall 131 shoulders met the inclusion criteria. Instability lesion type was analyzed categorically by age <15 or ≥15 years; individual age was assessed for correlation with any bone loss present. Atypical lesions—anterior labral periosteal sleeve avulsion, humeral avulsion of the glenohumeral ligament, subscapularis avulsion—were assessed for correlations with age, open physeal status, and the presence of any bone loss. Results: An overall 131 shoulders (mean, 15.3 years; range, 10.5-18.3) were identified for this study: 55 in patients <15 years old and 76 in patients ≥15 years old. Bony injuries such as Bankart and Hill-Sachs lesions were more common in the ≥15-year-old group (P =.044 and P =.024, respectively). Bony Bankart injuries were found at a rate of 18.2% in the <15-year-old group, as compared with 34.2% in the ≥15-year-old group (P <.05). Anterior labral periosteal sleeve avulsions were more common in the <15-year-old group (n = 13 [23.6%] vs n = 8 [10.5%]; P <.044), as were all atypical lesions combined (n = 23 [41.8%] vs n = 13 [17.1%]; P <.0018]. Conclusion: In this series of anterior shoulder instability in children and adolescents, instability lesions varied significantly by age. Bone loss was associated with older age at presentation, and atypical lesions were more common in patients <15 years of age. Treatment teams should be aware of less common soft tissue injuries in this young age group and ensure careful review of adequate imaging for proper diagnosis and treatment in these younger patients. [ABSTRACT FROM AUTHOR]
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- 2023
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144. High resorption rates following glenoid augmentation procedures do not seem to lead to higher recurrence rates or worse clinical outcomes: a systematic review and meta-analysis.
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Rutgers, Cain, Verweij, Lukas P. E., Schuit, Alexander A., Sierevelt, Inger N., Jamaludin, Faridi S., van der Woude, Henk-Jan, and van den Bekerom, Michel P. J.
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BONE grafting , *TREATMENT effectiveness , *SHOULDER , *SHOULDER dislocations , *HOMOGRAFTS , *RADIOGRAPHS , *FUNCTIONAL status - Abstract
Purpose: Bone augmentation techniques show a relatively high complication rate, which might be due to graft non-union and resorption. It is unclear which augmentation techniques demonstrate the highest amount of non-union and resorption and whether this leads to worse clinical or functional outcomes. Therefore, the aim of this review was (i) to compare non-union and resorption rates between surgical approaches, procedures, graft types, donor sites and fixation methods regarding clinical and functional outcomes and (ii) determine whether high non-union or resorption rates lead to less favorable clinical or functional outcomes. Methods: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses statements were followed. PubMed, EMBASE (Ovid) and Cochrane Library were searched on December 15th 2021 for studies examining bone graft non-union or resorption using radiograph or CT following glenoid augmentation to treat anterior shoulder dislocation. Results: The search resulted in 103 inclusions, comprising 5,128 glenoid augmentations. When comparing pooled proportions of bony union, graft fracture rate, hardware failure rate, recurrence rate, return to sports and Rowe score, most results were similar between approaches, procedures, graft types, donor sites and fixation methods. High resorption rates were seen for allograft augmentation (74.3; 95% CI: 39.8–92.7) compared to autograft augmentation (15.5; 95% CI 10.1–23.2), but this was not associated with higher recurrence rates or worse clinical outcomes. Meta-analyses (8 studies; 494 patients) demonstrated no difference in incomplete and complete non-union rates between arthroscopic and open procedures; however, both analyses showed substantial heterogeneity. Higher partial resorption rates were observed on CT (48.0; 95% CI 43.3–52.7) compared to radiograph (14.1; 95% CI 10.9–18.1). Three studies comprising 267 shoulders demonstrated a higher rate of non-union and recurrence in smokers, whereas one study comprising 38 shoulders did not. Conclusion: Non-union and resorption rates were similar among procedures, grafts and fixation methods. Higher resorption rates were observed in allografts, but this was not associated with higher recurrence rates or worse clinical outcomes. Pooling data demonstrated substantial heterogeneity and definitions varied among studies, warranting more standardized measuring. Level of evidence: IV. [ABSTRACT FROM AUTHOR]
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- 2023
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145. A biomechanical analysis of double-screw, double-button, and screw-button fixation constructs in patient-specific instrument–guided Latarjet procedure.
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Ziegenfuss, Brandon L., Launay, Marine M., Maharaj, Jashint C., Green, Nicholas R., Stalin, Kathir Azhagan, Barlow, Gregory, Erbulut, Deniz U., Whitehouse, Sarah L., Vijaysegaran, Praveen, Pivonka, Peter, Cutbush, Kenneth, and Gupta, Ashish
- Abstract
The Latarjet coracoid transfer procedure reliably stabilizes the glenohumeral joint for shoulder instability. However, complications such as graft osteolysis, nonunion and fracture continue to affect patient clinical outcomes. The double-screw (SS) construct is regarded as the gold standard method of fixation. SS constructs are associated with graft osteolysis. More recently, a double-button technique (BB) has been suggested to minimize graft-related complications. However, BB constructs are associated with fibrous nonunion. To mitigate this risk, a single screw combined with a single button (SB) construct has been proposed. It is thought that this technique incorporates the strength of the SS construct and allows micromotion superiorly to mitigate stress shielding–related graft osteolysis. The primary aim of this study was to compare the failure load of SS, BB, and SB constructs under a standardized biomechanical loading protocol. The secondary aim was to characterize the displacement of each construct throughout testing. Computed tomography scans of 20 matched-pair cadaveric scapulae were performed. Specimens were harvested and dissected free of soft tissue. SS and BB techniques were randomly assigned to specimens for matched-pair comparison with SB trials. A patient-specific instrument (PSI)–guided Latarjet procedure was performed on each scapula. Specimens were tested using a uniaxial mechanical testing device under cyclic loading (100 cycles, 1 Hz, 200 N/s) followed by a load-to-failure protocol (0.5 mm/s). Construct failure was defined by graft fracture, screw avulsion, and/or graft displacement of more than 5 mm. Forty scapulae from 20 fresh frozen cadavers with a mean age of 69.3 years underwent testing. On average, SS constructs failed at 537.8 N (SD 296.8), whereas BB constructs failed at 135.1 N (SD 71.4). SB constructs required a significantly greater load to fail compared with BB constructs (283.5 N, SD 162.8, P =.039). Additionally, SS (1.9 mm, IQR 0.87) had a significantly lower maximum total graft displacement during the cyclic loading protocol compared with SB (3.8 mm, IQR 2.4, P =.007) and BB (7.4 mm, IQR 3.1, P <.001) constructs. These findings support the potential of the SB fixation technique as a viable alternative to SS and BB constructs. Clinically, the SB technique could reduce the incidence of loading-related graft complications seen in the first 3 months of BB Latarjet cases. The study is limited to time-specific results and does not account for bone union or osteolysis. [ABSTRACT FROM AUTHOR]
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- 2023
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146. Diagnosis of Posterior and Combined-Type Shoulder Instability: A 10-Year Cross-sectional Study From a Single Military Base.
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Green, Clare K., Scanaliato, John P., Sandler, Alexis B., Jones, Ethan W., Dunn, John C., and Parnes, Nata
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DIAGNOSIS of shoulder injuries ,STATISTICS ,JOINT radiography ,ANALYSIS of variance ,JOINT instability ,SHOULDER injuries ,CROSS-sectional method ,ARTHROSCOPY ,RETROSPECTIVE studies ,ACQUISITION of data ,MAGNETIC resonance imaging ,TREATMENT effectiveness ,REOPERATION ,MEDICAL records ,CHI-squared test ,DESCRIPTIVE statistics ,DATA analysis software ,DATA analysis ,MILITARY personnel - Abstract
Background: Large variations exist in the reported frequency and etiology of posterior and combined shoulder instability in the active-duty military population. Purpose: To compare imaging and clinical examination findings as well as reoperation rates between active-duty military patients who underwent surgery for anterior, posterior, and combined-type shoulder instability. Study Design: Cross-sectional study; Level of evidence, 3. Methods: A retrospective review was conducted on patients treated surgically for shoulder instability from a single military base from January 2010 to December 2019. Each case was characterized as isolated anterior, isolated posterior, or combined, according to arthroscopic findings. Information was collected on patient characteristics, history of trauma, time to surgery, associated pathological findings, and survivorship at a minimum 2-year follow-up. Results: Overall, 416 patients (n = 394 men; n = 22 women), with a mean age of 29.1 years, underwent primary shoulder stabilization surgery during the study period. There were 158 patients (38%) with isolated anterior instability, 139 (33%) with isolated posterior instability, and 119 (29%) with combined instability. A history of trauma was more prevalent with isolated anterior instability (129 [81.7%]) than with either isolated posterior (95 [68.4%]) or combined instability (73 [61.3%]) (P =.047 and P =.001, respectively). Patients with anterior instability were significantly more likely to be diagnosed on the preoperative physical examination when compared with patients with posterior instability (93% vs 79.1%; P <.001) or combined instability (93% vs 75.6%; P <.001) and were also more likely to have a discrete labral tear detected on a preoperative magnetic resonance arthrogram than patients with posterior instability (82.9% vs 63.3%; P <.001). There was no significant difference in the rate of medical discharge or recurrent instability requiring reoperation between groups. Conclusion: The study findings indicated that young, active-duty military patients are at increased risk for isolated posterior and combined-type shoulder instability, with posterior and combined instability collectively accounting for over 60% of instability cases in this cohort. Orthopaedic surgeons should be aware of instability when evaluating and treating young, active-duty military patients with shoulder pain, even in the absence of diagnostic physical examinations or imaging findings. [ABSTRACT FROM AUTHOR]
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- 2023
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147. Novel prosthetic ligament repair of a shoulder luxation in a cat using a bone anchor and ligament prosthesis.
- Author
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Wong, Nadia, Yu, Jane, and McCracken, Blaine D
- Abstract
Case summary: A 7-year-old male castrated Ragdoll cat was presented for chronic shoulder instability after a previous medial luxation of the right shoulder. Upon examination, there was palpable instability of the glenohumeral joint and an increased abduction angle. Surgical stabilisation was elected due to lameness and instability after closed reduction, rest and medical management. A low-profile bone-anchor and a ligament prosthesis were used to stabilise the glenohumeral joint with minimal disruption to the cat's natural shoulder stabilisers. Clinical signs resolved after surgery and the cat remained non-symptomatic at the 12-month follow-up. Relevance and novel information: Feline shoulder luxation is rarely described in the veterinary literature. To the authors' knowledge, this is the first report describing stabilisation of the glenohumeral joint in a cat using a bone anchor and a ligament prosthesis. [ABSTRACT FROM AUTHOR]
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- 2023
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148. In-Season Management of Shoulder Instability: How to Evaluate, Treat, and Safely Return to Sport.
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Albertson, Benjamin S., Trasolini, Nicholas A., Rue, John-Paul H., and Waterman, Brian R.
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Purpose of Review: Anterior glenohumeral instability is a common injury in contact and collision athletes, and in-season management remains a controversial topic. Recent Findings: Several recent studies have examined non-operative and operative management of in-season athletes after instability events. Non-operative treatment is associated with faster return to play and higher rates of recurrent instability. Dislocations and subluxations have similar rates of recurrent instability but non-operatively treated subluxations have a quicker return to play than dislocations. Operative treatment is often a season ending decision but is associated with high rates of return to sport and significantly lower rates of recurrent instability. Summary: Indications for in-season operative intervention may include critical glenoid bone loss (>15%), an off-track Hill-Sachs lesion, an acutely reparable bony Bankart lesion, high-risk soft tissue injures such as a humeral avulsion of the glenohumeral ligament or displaced anterior labral periosteal sleeve avulsion, recurrent instability, insufficient time remaining in season to rehabilitate from injury, and inability to successfully return to sport with rehabilitation. It is the role of the team physician to appropriately educate athletes on risks and benefits of operative and non-operative treatment strategies and guide athletes through the shared decision-making process that balances these risks against their long-term health and athletic career goals. [ABSTRACT FROM AUTHOR]
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- 2023
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149. Home-based exercise therapy for treating shoulder instability in patients with hypermobile Ehlers-Danlos syndrome/hypermobility spectrum disorders. A randomized trial.
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Spanhove, Valentien, De Wandele, Inge, Malfait, Fransiska, Calders, Patrick, and Cools, Ann
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EHLERS-Danlos syndrome , *TELEREHABILITATION , *STATISTICS , *SHOULDER pain , *PHOBIAS , *PAIN measurement , *CONFIDENCE intervals , *SHOULDER injuries , *JOINT instability , *HOME rehabilitation , *PHYSICAL therapy , *HOME care services , *MANN Whitney U Test , *TREATMENT effectiveness , *RANDOMIZED controlled trials , *PRE-tests & post-tests , *T-test (Statistics) , *QUESTIONNAIRES , *SCALE analysis (Psychology) , *DESCRIPTIVE statistics , *INTRACLASS correlation , *BODY movement , *RESEARCH funding , *ARM exercises , *STATISTICAL sampling , *CONTROL groups , *DATA analysis software , *DATA analysis , *EVALUATION - Abstract
To investigate the effectiveness of two home-based exercise programs for treating multidirectional shoulder instability (MDI) in patients diagnosed with Hypermobile Ehlers-Danlos syndrome (hEDS) or Hypermobility Spectrum Disorders (HSD). Twenty-one hEDS/HSD patients with MDI were recruited from the Center for Medical Genetics of the Ghent University Hospital. Patients were randomly assigned to either the experimental or the control group. Both groups received a 6-month home-based exercise program. The primary outcome measure was the Western Ontario Shoulder Index (WOSI). Secondary outcomes included the Disabilities of the Arm, Shoulder and Hand (DASH), Tampa Scale for Kinesiophobia (TSK), Patient-Specific Functional Scale (PSFS), Global Rating of Change (GROC), and pain pressure thresholds. Outcomes were assessed at baseline, after 6 weeks, 12 weeks, and 24 weeks. Significant main effects for time were observed for all questionnaires, except for the TSK (p = 0.12). Patients improved 240 and 325 points on the WOSI after 12 (p = 0.02) and 24 weeks (p = 0.001), respectively. Additionally, patients improved 8.6 points on the DASH (p = 0.002), 4.3 points on the PSFS (p = 0.01), and 1.02 points on the GROC (p = 0.001) after 24 weeks. No significant differences were found between group A and B. Both home-based exercise programs led to significant improvements in shoulder function. Home-based exercise therapy may be effective for treating MDI in the hEDS/HSD population. Home-based training is beneficial for improving shoulder function, but a multidisciplinary, supervised approach might be more effective for altering kinesiophobia in this patient population. [ABSTRACT FROM AUTHOR]
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- 2023
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150. Shoulder arthroplasty after prior anterior shoulder instability surgery: a matched cohort analysis.
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Marigi, Erick M., Tams, Carl, King, Joseph J., Crowe, Matthew M., Werthel, Jean-David, Eichinger, Josef K., Wright, Thomas W., Friedman, Richard J., and Schoch, Bradley S.
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SHOULDER joint surgery , *ROTATOR cuff injuries , *RANGE of motion of joints , *JOINT instability , *RETROSPECTIVE studies , *HEALTH outcome assessment , *TREATMENT effectiveness , *OSTEOARTHRITIS , *DESCRIPTIVE statistics , *TOTAL shoulder replacement , *LONGITUDINAL method , *POSTOPERATIVE pain , *EVALUATION - Abstract
Purpose: To evaluate the effect of prior anterior shoulder instability surgery (SIS) on the outcomes and complications of primary anatomic total shoulder arthroplasty (aTSA) and reverse total shoulder arthroplasty (rTSA). Methods: Between 2007 and 2018, 38 primary total shoulder arthroplasties (TSA) (22 aTSA and 16 rTSA) with a prior SIS and a minimum of 2 years of follow-up were identified. This cohort was matched 1:3 based on age, sex, body mass index, year of surgery, and dominant shoulder. aTSA and rTSA were matched to patients with primary osteoarthritis (OA) and rotator cuff tear arthropathy (CTA), respectively. Results: TSA produced similar postoperative pain, ROM, patient-reported outcome measures, complications, and revisions in those with prior SIS vs. controls. aTSA with prior SIS demonstrated worse final postoperative abduction (116° vs. 133°; P = 0.046) and abduction improvement (24° vs. 47°; P = 0.034) compared to OA controls. Both aTSA and rTSA with prior SIS demonstrated significant improvements from baseline across all metrics, with no significant differences between the groups. aTSA and rTSA with prior SIS demonstrated no differences to controls in complications (4.6% vs. 6.1%; P =.786 and 0% vs. 6.3%. P =.183) or revisions (4.6% vs. 4.6%; P =.999 and 0% vs. 4.2%; P =.279). Conclusions: TSA after prior SIS surgery can improve both pain and function without adversely increasing the rates of complications or revision surgery. When compared to patients without prior SIS, aTSA demonstrated worse abduction; however, all other functional differences remained statistically similar. Level of Evidence: III; Retrospective Cohort Comparison; Treatment Study. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF
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