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Purpose: This study investigates the radiological outcomes of robotic-assisted total hip arthroplasty (RATHA) compared to manual total hip arthroplasty (mTHA), addressing the ongoing debate on the effectiveness of RATHA in achieving superior implant positioning accuracy. Methods: A prospective cohort of 212 patients (103 robotic, 109 manual) underwent THA and were evaluated for postoperative radiological outcomes, focusing on the inclination and anteversion angles of the acetabular cup. Outlier prevalence was assessed based on angles outside the defined Lewinnek safe zones. All post-operative measurements were made using the BoneNinja application. Results: High inter-observer and intra-observer reliabilities were observed, validating the measurement accuracy. The mean anteversion and inclination angles in the RATHA cohort were 40.5 ± 1.5 and 24.5 ± 3.1° respectively; and the mTHA cohort were 42.1 ± 4.9 and 24.9 ± 4.5°. There was a statistically significant difference in inclination angles between the two cohorts whereas the anteversion angles showed no difference. Majority of the conventional THRs (N = 72, 55.4%) were placed outside the safe zone for anteversion. The inclination angles revealed a highly significant difference between the cohorts (p < 0.0001), with all the robotic THRs (N = 121, 100%) being placed within the safe zone for inclination, whereas only 70% (N = 91) of the conventional THRs were within the safe zone. 97.5% of RA-THRs were within 3° of the proposed plan, demonstrating high accuracy. Conclusion: RATHA significantly outperforms MTHA in radiological accuracy, achieving precise acetabular cup positioning with minimal outliers. These results advocate for RATHA's adoption in THA to enhance outcome predictability and affirm its reliability and safety over manual methods. [ABSTRACT FROM AUTHOR]

Venous thromboembolism is a frequent complication of acute hospital care, and this extends to inpatient rehabilitation. The timely use of appropriate thromboprophylaxis in patients who are at risk is a strong, evidence-based patient safety priority that has reduced clinically important venous thromboembolism, associated mortality and costs of care. While there has been extensive research on optimal approaches to venous thromboembolism prophylaxis in acute care, there is a paucity of high-quality evidence specific to patients in the rehabilitation setting, and there are no clinical practice guidelines that make recommendations for (or against) thromboprophylaxis across the broad spectrum of rehabilitation patients. Herein, we provide an evidence-informed review of the topic with practice suggestions. We conducted a series of literature searches to assess the risks of venous thromboembolism and its prevention related to inpatient rehabilitation as well as in major rehabilitation subgroups. Mobilization alone does not eliminate the risk of venous thromboembolism after another thrombotic insult. Low molecular weight heparins and direct oral anticoagulants are the principal current modalities of thromboprophylaxis. Based on the literature, we make suggestions for venous thromboembolism prevention and include an approach for consideration by rehabilitation units that can be aligned with local practice. [ABSTRACT FROM AUTHOR]

Cerclage wiring may be used to optimize the stability of intramedullary nail or plate fixations in comminuted proximal femoral fractures, periprosthetic fractures, and other selected cases. In this article, we presented a novel case of iatrogenic sciatic nerve entrapment from cerclage wiring used to supplement intramedullary nail fixation. We also illustrate and highlight the role of ultrasound in assessing the sciatic nerve to make a timely diagnosis. [ABSTRACT FROM AUTHOR]

Background: Cefazolin is guideline recommended for perioperative prophylaxis in orthopedic surgery. Despite its unique R1 side chain, cefazolin is often avoided in patients with beta-lactam allergy with concern for cross reactivity. Objectives: The primary outcome was the percentage of patients who received cefazolin perioperatively. Secondary outcomes included the percentage of patients with a beta-lactam allergy clarified following the telephone interview and clinical outcomes including acute kidney injury, surgical site infection, Clostridioides difficile infection, and re-admission at 30 and 90 days. Methods: This single-center, quasi-experimental study evaluated a pilot program in which a pharmacist phoned patients > 18 years of age with a scheduled orthopedic surgery and a documented beta-lactam allergy to assess their allergy preoperatively. Recommendations to use cefazolin were based on an algorithm. Patients were divided into pre- and post-intervention cohorts. Results: A total of 832 patients were screened for inclusion with 135 and 66 patients included in the pre- and post-intervention cohorts. No significant difference was identified in the primary outcome. In the post-intervention cohort, 62% had a beta-lactam reaction updated in the electronic medical record. Those with a beta-lactam allergy delabeled or made less severe were numerically more likely to receive cefazolin than those with an unchanged reaction or a reaction made more severe (95.2% vs 68% vs 65%). There were no differences in clinical outcomes between groups. Conclusion: A pharmacist-conducted preoperative beta-lactam allergy interview in adult patients undergoing elective orthopedic surgery improved beta-lactam allergy documentation but, did not result in increased utilization of cefazolin. [ABSTRACT FROM AUTHOR]

Lidocaine hydrochloride is used as an anesthetic for clinical applications. This study considers the effects of the substitution of 2% lidocaine hydrochloride for deionized (DI) water on the rheological, mechanical, ion release, pH and injectable properties of two formulations of aluminum-free glass polyalkenoate cements (GPCs) using two distinct poly(acrylic) acids (PAA), E9 and E11, which have different molecular weights (Mw). The substitution of 2% lidocaine hydrochloride demonstrated increased injectability, but did not affect mechanical properties. The mechanical properties increased with time, as expected, and, in general, E9-based GPCs displayed significantly higher strengths over E11-based GPCs. With respect to ion release, which includes calcium (Ca), strontium (Sr), zinc (Zn) and silicon (Si); all ions displayed a steady and consistent increased release over time. Ca and Sr showed similar ion release patterns, whereby the GPC made with E11 PAA and lidocaine hydrochloride released significantly more ions than all other compositions likely due to similar chemical kinetics. However, Zn is also divalent in nature, but displayed only one significant difference across the GPC series at all time points, which was attributed to its higher electronegativity allowing for increased participation in the setting reaction. Finally, an analysis of the pH confirmed an increase in pH with time, suggesting that H+ ions were attacking the glass structure to allow for ion release. After 1 and 7 days, water-based GPCs environments achieved a higher pH than lidocaine hydrochloride-based GPCs, indicating that the lidocaine hydrochloride may be releasing additional protons upon bond formation with PAA. [ABSTRACT FROM AUTHOR]

Orthopedic residency and fellowship applicants with a strong research record are highly valued for their potential in continuing academic excellence. Despite this, the association between research productivity during training and future academic productivity as an attending orthopedic surgeon is not well-established. We assess the effects of research output during different periods of surgical training as well as residency location on long-term academic productivity as an attending shoulder and elbow surgeon. A search of the 2022-2023 American Shoulder and Elbow Surgeons Fellowship Directory was conducted to identify a list of orthopedic shoulder and elbow fellowship faculty members. Each surgeon's residency, fellowship and current institution of practice were determined and stratified by geographic location. Total publication counts acquired before residency, during residency, during fellowship, and after fellowship were collected for each faculty member. Attending publication rates and H-indices were calculated. A multivariate linear regression model was created, and significance was set at a P value <.05. A total of 149 shoulder and elbow fellowship faculty members representing 34 fellowship programs were identified. The average number of total publications per surgeon was 88.8 ± 102. The average attending publication rate was 5.29 ± 6.89 publications per year. The average H-index for included surgeons was 27.8 ± 24.4. The number of publications acquired before residency (β = 0.293; P <.001), during residency (β = 0.110; P =.025) and during fellowship (β = 0.593; P <.001) were significantly associated with an increased attending publication rate, but no association was observed with the H-index [before residency (β = −0.221; P =.574), during residency (β = 0.045; P =.866), during fellowship (β = 0.198; P =.678)]. There were no significant differences in total publication count (P =.397), attending publication rate (P =.237), or H-index (P =.364) based on location of residency training. Research output before and during surgical training is predictive of continued academic productivity as a shoulder and elbow surgeon. In particular, greater productivity during surgical fellowship was most predictive of academic output as an attending. While long-term academic productivity does not seem to be influenced by the geographic location of residency training, attending surgeons practicing in the Midwest had significantly greater total publication counts and H-indices but similar annual publication rates. [ABSTRACT FROM AUTHOR]

Background: Hemophilia type A and B is associated with spontaneous bleeding in muscle tissues and joints. Acute hemarthrosis, representing 70–80% of all bleedings in severe hemophilia patients, is extremely painful. When surgical procedures are needed in hemophiliac patients, perioperative management should be planned with a multidisciplinary team. Our narrative review, through a rigorous analysis of the current literature, focuses on pain management in hemophiliac patients. Methods: The report synthesizes a literature review on hemophilia, adapting PRISMA guidelines. It identifies a research question on surgical procedures and perioperative pain management. Various sources, including electronic databases, are utilized. Study inclusion criteria are defined based on the research question. Forty studies are included. A detailed study selection is illustrated. Results: Guidelines for managing acute postoperative pain in the general population advocate for a multimodal analgesic administration to enhance synergistic benefits, reduce opioid requirements, and minimize side effects. Recent recommendations from the World Federation of Hemophilia (WFH) for postoperative pain management in hemophilia patients suggest tailoring treatment based on pain levels, in coordination with anesthesiologists. Conclusions: Pain management in hemophiliac patients undergoing orthopedic interventions requires a multidisciplinary approach, with further research needed to define a reliable global standard of treatment. [ABSTRACT FROM AUTHOR]

Critical-sized calvarial bone defects remain a significant challenge in orthopedic surgery, especially for irregularly shaped bones. Herein, we devised a customizable scaffold using a combination of 3D-printing and salt leaching techniques. Polycaprolactone (PCL), sodium chloride, and a graphene oxide-merwinite (GOM) nanocomposite were 3D-printed and then immersed in water to remove residual salt. Subsequently, gelatin-based electrospun nanofibers incorporating insulin-like growth factor-1 (IGF1) were applied to the PCL-GOM scaffold. The addition of 15% of GOM nanoparticles to the PCL scaffold increased the compressive strength from 2.2 to 3.8 MPa and the elastic modulus from 17.2 to 29.8 MPa. Apatite precipitates were well formed on the fabricated scaffolds after 28 days of immersion in simulated body fluid. Moreover, the scaffold displayed a gradual release of IGF1 over 28 days. The MTT assay demonstrated non-toxicity of scaffolds towards the MG63 cell line. Interestingly, significantly higher expression of Collagen I, RUNX2, and Osteocalcin were observed in qRTPCR results. Following implantation in calvarial bone defect for 8 weeks, the optimal scaffold demonstrated excellent osteogenic behavior and new bone tissue formation. This work presents a promising biomaterial with potential clinical applications for the treatment of irregular critical-sized bone defects. [ABSTRACT FROM AUTHOR]

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Aims & Objectives: The primary aim of this paper is to determine whether smart glasses or head-mounted displays improve efficiency in a procedural or theatre setting without compromising the quality of the procedure performed. Additionally, this paper aims to qualitatively explore applications in surgical education, whilst on-call, consulting and patient observation. Design: This paper is a systematic review of the literature available on the topic of smart glasses or head-mounted displays in surgical or procedural settings. Methods: A search of Pubmed, Cochrane and the Wiley Online Library was performed in accordance with the PRISMA guidelines. Procedural times and adverse outcomes were compared between the smart glass and non-smart glass groups in each of the quantitative studies. A literature review of studies, including those not satisfying the primary aim was conducted and is included in this paper. Results: 32 studies were identified that complied with the inclusion criteria of this paper. 8 of these studies focused on procedural times and adverse outcomes, with and without smart glass usage. Procedural time was reduced when smart glass technology was used, without an increase in adverse patient outcomes. Conclusions: Surgeons should consider whether the relatively short reduction in procedural time is worth the high cost, privacy issues, battery complaints and user discomfort involved with these devices. There are promising applications of this technology in the areas of surgical education and consultation. However, more trials are necessary to assess the value of using smart glasses in these settings. [ABSTRACT FROM AUTHOR]

The impact of non-steroidal anti-inflammatory drugs (NSAIDs) on rotator cuff repair is an ongoing area of study within orthopedics, with conflicting results in current literature. Despite concerns over the deleterious effects of NSAIDs on rotator cuff healing, they are becoming an integral part of a multimodal post-operative pain control regiment. The purpose of this study was to compare post-operative patient-reported outcomes (PROs), complications rates, and retear rates of arthroscopic rotator cuff repairs in patients using ibuprofen post-operatively to those who abstained from NSAIDs for six weeks after surgery. It was hypothesized that a short course of ibuprofen post-operatively would not lead to inferior PRO scores, increased retear rates, nor increased complication rates after arthroscopic rotator cuff repair. Patients of the primary surgeon who underwent arthroscopic rotator cuff repair between 2012 and 2022 were evaluated by retrospective chart review. In May 2017 the primary surgeon changed his protocol from avoiding NSAIDs for six weeks after surgery to routinely prescribing two weeks of Ibuprofen 800 mg TID post-operatively. Patients who avoided NSAIDs for six weeks were compared to patients who were prescribed NSAIDs post-operatively. Patient demographic data, pre-operative MRI results, pre-operative and post-operative PROs were collected from the EMR. Additionally, post-operative complications and repair failures requiring reoperation within one year were evaluated. 125 patients met inclusion criteria for this study with 36 patients in the NSAID group and 89 in the no NSAID group. When comparing improvement in PROs, the NSAID group reached MCID at one year in 83.8 % of patients and the no NSAID group reached MCID at one year in 73.9 % of patients. There was no significant difference between the groups in reaching MCID improvement at one year (p = 0.471). Five post-operative complications were reported in the no NSAID group and two in the NSAID group (5.7 % vs 5.4 %, respectively, p = 0.827). Finally, there was no significant difference in the percentage of post-operative rotator cuff repair failures requiring revision in the first year between the groups (2.3 % vs 2.7 %, p = 1.000). There was no difference in percent of patients improving their PRO by the MCID between the groups that used ibuprofen and the group that did not. There was also no difference in post-operative complication rates and rates of symptomatic retear requiring reoperation between the groups. This supports that a short course of NSAIDs post-operatively, specifically ibuprofen, after rotator cuff repair does not increase reoperation rates nor lead to a clinically significant decrease in PROs at one year. [ABSTRACT FROM AUTHOR]

Cortical bone drilling is integral to orthopedic and dental surgeries, yet challenges such as thermal necrosis persist. Previous finite element (FE) models may overlook critical parameters, impacting accuracy. This study aims to integrate experimental and computational approaches to predict essential parameters—initial temperature, point angle, and spindle speed—enhancing precision in cortical bone drilling. Bovine cortical samples were utilized to systematically investigate the impact of four independent parameters on maximum temperature (MT) and maximum thrust force (MTF). Parameters included drill bit initial temperature (IT), diameter, point angle, and spindle speed (225–2700 rpm, feed rate 0.5–3 mm/s). Experimental procedures involved an orthopedic handpiece with titanium drill bits. DEFORM-3D V6.02 facilitated FE simulation, with the validated model developed for the second stage of the drilling process. The validated model highlighted the significant impact of drill bit IT on MT, predicting a 26.14 % decrease in final bone temperature as IT decreased from 25 to 5 °C. Increasing the point angle from 70 to 120° resulted in a 13.1 % MT increase and a 26.9 % decrease in MTF. Spindle speed variations exhibited a 48.3 % temperature increase and an 82.8 % MTF decrease. Integrating experimental validation and computational modeling offers a comprehensive approach to predict drilling parameters. Precision in cortical bone drilling can be optimized by selecting specific parameters, including lower drill bit IT, smaller point angles, and controlled spindle speeds. This optimization reduces the risk of bone necrosis and thermal damage, thereby enhancing surgical outcomes. [ABSTRACT FROM AUTHOR]

The delayed identification and management of musculoskeletal tuberculosis (MSTB) poses substantial health challenges and leads to significant morbidity. This study aimed to collate ten years of hospital data and provide valuable insights into the clinical, diagnostics, and outcomes of the patients diagnosed with MSTB. A retrospective study was undertaken to review clinic records from 2013 to 2022 for all individuals diagnosed with MSTB in a tertiary care hospital in South India. Over a decade, 400 cases of MSTB were diagnosed, revealing 57 % males and 43 % females with a mean age of 43.2 ± 18.9 years. Spinal TB constituted 72 % of cases, with the most common involvement of thoracic vertebrae (50.9 %). Extra-spinal MSTB accounted for 28 %, prevalent more in the pediatric age group (p < 0.05). Surgical intervention was required for 80 % of spinal TB cases and 58 % of extra-spinal MSTB cases. The average follow-up duration was two years, with 73 % completing treatment. Unfortunately, seven patients died, and three experienced relapse. Spinal TB is the most common type of MSTB and is predominant in young and middle-aged adults, while extra-spinal MSTB is more frequently observed in children. Where use of MRI facilitates early detection of spinal TB; histopathological and microbiological examination confirm the diagnosis. Combining anti-tubercular drugs with modern surgical approaches is essential for obtaining favorable outcomes and improving the quality of life of such patients. It is crucial to have advanced and affordable diagnostic facilities, along with increased public awareness, to reinforce tuberculosis control strategies. [ABSTRACT FROM AUTHOR]

Background: Patients undergoing non-major orthopedic surgery often face an increased risk of venous thromboembolism due to the necessity of immobilization postoperatively. Current guidelines commonly recommend the use of low-molecular-weight heparin (LMWH) for prophylaxis, but it is associated with low patient compliance and certain side effects. We conducted a meta-analysis of randomized controlled trials (RCTs) to assess the effectiveness and safety of rivaroxaban or LMWH for thromboprophylaxis following non-major orthopedic surgery. Method: Relevant literature was systematically searched in PubMed, Web of Science, Cochrane Library, and Embase from their inception to October 1, 2023, to evaluate the effectiveness and safety of rivaroxaban or LMWH in RCTs for thromboprophylaxis following non-major orthopedic surgery. Results: A total of 5 randomized controlled trials involving 5,101 patients were included. There was no statistically significant difference in the preventive effect against venous thromboembolism (VTE) when using rivaroxaban or LMWH following non-major orthopedic surgery (RR 0.80; 95%CI 0.31 to 2.07). In terms of safety, there was also no statistically significant difference in the incidence of bleeding events in patients undergoing non-major orthopedic surgery when using rivaroxaban or LMWH (RR 1.15; 95% CI 0.75 to 1.76). Conclusion: In non-major orthopedic surgery, the risk of venous thromboembolism and bleeding complications is similar when using rivaroxaban or LMWH. [ABSTRACT FROM AUTHOR]

Recent advancements in the treatment of psoriatic arthritis (PsA) have improved patient outcomes, but many still experience disease progression, potentially leading to joint replacement surgery. In this scoping review, we examine the relationship between PsA and orthopedic surgery, focusing on the risks and temporal trends of total hip arthroplasty (THA) and total knee arthroplasty (TKA), the prevalence of postoperative complications, and the effectiveness of these procedures in PsA. The included studies suggest that PsA patients have an overall higher risk of undergoing THA and TKA compared to the general population, but with temporal trends showing a decreased risk for patients diagnosed in recent years. Acute complications, such as renal failure, stroke, and postoperative infections, may be more common in PsA patients than in those with osteoarthritis after THA and TKA. No significant differences were found in pain, function, or satisfaction between PsA, skin psoriasis, and osteoarthritis patients after THA. A key conclusion from our review is the need to strengthen the collaboration between rheumatologists and orthopedic surgeons, as interdisciplinary evaluation is crucial for improving the outcomes of PsA patients undergoing orthopedic surgery. [ABSTRACT FROM AUTHOR]

This meta-analysis was designed to compare the risk of postoperative wound complications in various orthopedic surgeries (OSs) affected by the perioperative use of biologic disease-modifying anti-rheumatic drugs (bDMARDs). The odds ratio (OR) and mean difference (MD), with 95% confidence intervals (CIs), were calculated using dichotomous or continuous random or fixed-effect models, based on the meta-analysis data. This study incorporated 14 investigations conducted between 2005 and 2023, encompassing a total population of 19,021 individuals undergoing diverse OSs. Participants who continued their bDMARDs exhibited a substantially higher incidence of postoperative surgical site infections (OR, 1.39; 95% CI, 1.12–1.72, p = 0.002) compared to those who withheld bDMARDs. However, the study did not find any statistically significant difference between the continuation or withholding of bDMARDs regarding delayed wound healing (OR, 2.02; 95% CI, 1.00–4.06, p = 0.05) or disease flares (OR, 0.59; 95% CI, 0.28–1.25, p = 0.17). The results show that patients who continued their bDMARDs had a notably higher incidence of postoperative surgical site infections. However, no significant differences were observed in delayed wound healing or disease flares when compared to those who withheld bDMARDs. It is important to acknowledge the limitations of this analysis, such as the relatively small number of participants and the limited number of studies available for certain comparisons, which may impact the validity of the findings. [ABSTRACT FROM AUTHOR]

Purpose: Compared with open surgery, arthroscopic anterior talofibular ligament (ATFL) repair has many advantages and good clinical outcome. Inferior extensor retinaculum (IER) reinforcement is a supplement procedure that increase the strength of the ATFL. There is still no gold standard for arthroscopic ATFL repair. The purposes of this study were to describe a simplified technique for arthroscopic ATFL repair with IER reinforcement and to analyze its preliminary clinical results. Methods: Twenty-seven patients with chronic lateral ankle instability (CLAI) who underwent this simplified surgery were analyzed in this retrospective study. The patients' characteristics and operative times were evaluated. Intraoperative photos, radiographs from the anterior drawer test and talar tilt test and postoperative MR images were recorded. The American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot score and visual analog scale (VAS) score were also recorded. With the assistance of a needle, we performed ATFL repair and IER reinforcement with one Pushlock anchor and nonabsorbable sutures. Results: No complications namely skin necrosis, superficial fibular nerve injury or wound infection, were reported. The AOFAS score and VAS score improved from 64.74 ± 9.47 and 6.00 ± 1.56 to 90.74 ± 6.46 and 1.07 ± 1.09, respectively. The talar advancement and talar tilt angle were improved after surgery. One year after the operation, the ATFL appeared to be continuous on MR images. Conclusion: In this study, we proposed a simple and effective arthroscopic ATFL repair with IER reinforcement technique. The short-term follow-up examination revealed satisfactory clinical outcomes. Our technique might be a new surgical option for the treatment of CLAI. [ABSTRACT FROM AUTHOR]

Patients undergoing lower‐limb orthopedic surgery may experience multiple postoperative complications. Although peripheral nerve stimulation (PNS) is a promising non‐pharmacological approach that has been used in lower‐limb postoperative recovery, the clinical efficacy of PNS remains inconclusive. This study systematically searched three databases (PubMed, Embase, and Cochrane Library) for randomized controlled trials (RCTs) that examined the treatment effects of PNSs in patients who underwent lower‐limb orthopedic surgery up to September 29, 2023. Two investigators independently identified studies, extracted data, and conducted meta‐analyses with Review Manager 5.4. The outcomes were pain relief (measured by reductions in pain intensity and analgesic consumption) and functional improvements (range of motion [ROM] and length of hospitalization [LOH]). A total of 633 patients including 321 in the experimental groups and 312 in the control groups from eight RCTs were included. PNS showed no significant effect on pain intensity, while analgesic consumption was marginally significantly reduced in the experimental group. Furthermore, no significant differences were observed regarding functional improvements in ROM or LOH after the intervention. Although PNS had no significant effect on pain relief or functional improvements, the intervention exhibited a marginally significant reduction in analgesic consumption. Future trials should be conducted with larger sample sizes, longer follow‐up periods, and more varied stimulation parameters. [ABSTRACT FROM AUTHOR]

Summary This case report describes a novel fixation technique of scapular neck fracture in a 2‐week‐old Arabian foal using two 3.5 mm tibial‐plateau‐levelling‐osteotomy (TPLO) locking plates originally designed for small animal orthopaedic surgery. The foal presented with a traumatic short oblique scapular neck fracture. Fracture fixation was performed under general anaesthesia using two anatomically pre‐shaped 3.5 mm TPLO locking plates; one on each side of the spine of the scapula. Fracture fixation was successful using two TPLO locking plates. Minimal soft tissue manipulation and identification of the suprascapular nerve allowed for relatively atraumatic application of the implants. The implants were left in place. Follow‐up evaluation 2 years after surgical intervention confirmed the horse to be sound with no clinical or gait abnormalities. Stabilisation of a short oblique scapular neck fracture in a 2‐week‐old foal with an anatomically pre‐shaped implant led to a good outcome in this case report. No complications were encountered during the recovery period. The use of an anatomically pre‐shaped locking plate intended for use on dogs, which is widely available in the veterinary industry, has proven to be a viable alternative for a scapular neck fracture fixation in this foal. [ABSTRACT FROM AUTHOR]

Background: Case-based learning (CBL) utilizing three-dimensional (3D) printed hip joint models is a problem-solving teaching method that combines the tactile and visual advantages of 3D-printed models with CBL. This study aims to investigate the impact of integrating 3D printing with CBL on learning developmental dysplasia of the hip (DDH). Methods: We conducted a prospective study from 2022 to 2023, including 120 fourth-year clinical medical students at Xuzhou Medical University. Students were randomly allocated into two groups of 60 participants each. The CBL group received conventional CBL teaching methods, while the 3D + CBL group utilized 3D-printed models in conjunction with CBL. Post-teaching, we analyzed and compared the theoretical and practical achievements of both groups. A questionnaire was designed to assess the impact of the educational approach on orthopedic surgery learning. Results: The theory scores of the CBL group (62.88 ± 7.98) and 3D + CBL group (66.35 ± 8.85) were significantly different (t = 2.254, P = 0.026); the practical skills scores of the CBL group (57.40 ± 8.80) and 3D + CBL group (63.42 ± 11.14) were significantly different (t = 3.283, P = 0.001). The questionnaire results showed that the 3D + CBL group was greater than the CBL group in terms of hip fundamentals, ability to diagnose cases and plan treatments, interesting teaching content, willingness to communicate with the instructor and satisfaction. Conclusions: The integration of 3D printing with case-based learning has yielded positive outcomes in teaching DDH, providing valuable insights into the use of 3D-printed orthopedic models in clinical education. [ABSTRACT FROM AUTHOR]

Objective: This meta-analysis aimed to explore the impact of prophylactic negative pressure wound therapy (NPWT) on the occurrence of deep surgical site infections (SSIs) following orthopedic surgery. Methods: A systematic search was conducted across Medline, Embase, Cochrane Library, and Web of Science databases for articles concerning NPWT in patients who underwent orthopedic surgery up to May 20, 2024. Using Stata 15.0, the combined odds ratios (ORs) were calculated with either a random-effects model or a fixed-effects model, depending on the heterogeneity values. Results: From a total of 440 publications, studies that utilized NPWT as the experimental group and conventional dressings as the control group were selected to analyze their impact on SSIs. Ultimately, 32 studies met the inclusion criteria. These included 12 randomized controlled trials and 20 cohort studies, involving 7454 patients, with 3533 of whom received NPWT and 3921 of whom were treated with conventional dressings. The results of the meta-analysis demonstrated that the NPWT group had a lower incidence of deep SSIs in orthopedic surgeries than did the control group [OR 0.64, 95% CI (0.52, 0.80), P = 0.0001]. Subgroup analysis indicated a notable difference for trauma surgeries [OR 0.65, 95% CI (0.50, 0.83), P = 0.001], whereas joint surgeries [OR 0.65, 95% CI (0.38, 1.12), P = 0.122] and spine surgeries [OR 0.61, 95% CI (0.27, 1.35), P = 0.221] did not show significant differences. Additionally, when examined separately according to heterogeneity, trauma surgeries exhibited a significant difference [OR 0.50, 95% CI (0.31, 0.80), P = 0.004]. Conclusion: The results of our study indicate that the prophylactic use of NPWT reduces the incidence of deep SSIs following orthopedic trauma surgery when compared to the use of conventional dressings. We postulate that the prophylactic application of NPWT in patients at high risk of developing complications from bone trauma may result in improved clinical outcomes and an enhanced patient prognosis. [ABSTRACT FROM AUTHOR]

Bone substitutes are widely employed for applications in orthopedic surgery for the replacement of injured bone. Among the diverse methods that are used to design 3D bioceramic matrices, Freeze Foaming has gained attention, since it provides the ability to tune the shape of the created structures. One of the major problems related to these constructs is the lack of porosity at the outwards sides (holder) of the scaffold, thus reducing the cellular affinity and creating a rejection of the implant. In this research, we aimed to develop a bone scaffold with enhanced surface properties and improved cellular affinity. The main aim was to alter the biocompatibility characteristics of the 3D bioceramic constructs. We have produced three-dimensional, complex-shaped hollow shell structures, manufactured by Additive Manufacturing processes and as a second step, filled with a ceramic suspension by the Freeze-Foaming process. 3D constructs from HAP-derived TCP and TCP/ZrO2 were synthesized by freezefoaming method and subsequently irradiated with a fs-laser (λ = 800 nm) spanning a range of parameters for achievement of optimal surface processing conditions. The designed scaffolds demonstrated enhanced topographical properties with improved porosity examined by SEM, EDX, and 3D profilometry after laser treatment. Wettability and computer tomography (CT) evaluation was also performed. The results from X-ray diffraction (XRD) and micro-Raman analysis did not show photochemical and surface or volume defects and changes after laser processing of the ceramic samples. Preliminary results from MG-63 osteoblast-like cell tests showed good cell affinity on the processed surfaces and no cytotoxic effect on the cells. [ABSTRACT FROM AUTHOR]

In recent years, the medical field has recognized the pivotal role of diversity, equity, and inclusion (DEI) in enhancing patient care and addressing health-care disparities. Orthopaedic surgery has embraced these principles to create a more inclusive and representative workforce. A DEI symposium that was sponsored by the American Orthopaedic Association convened orthopaedic surgeons, researchers, educators, and stakeholders to discuss challenges and strategies for implementing DEI initiatives. The symposium emphasized the importance of equity, and fostered conversations on creating equal opportunities and resources. Speakers covered key topics, including establishing DEI divisions, metrics for success, DEI leadership, and available resources, and promoted excellence and innovation in orthopaedic surgery through a more diverse and inclusive approach. [ABSTRACT FROM AUTHOR]

Background: Understanding the trends and patterns of research funding can aid in enhancing growth and innovation in orthopaedic research. We sought to analyze financial trends in public orthopaedic surgery funding and characterize trends in private funding distribution among orthopaedic surgeons and hospitals to explore potential disparities across orthopaedic subspecialties. Methods: We conducted a cross-sectional analysis of private and public orthopaedic research funding from 2015 to 2021 using the Centers for Medicare & Medicaid Services Open Payments database and the National Institutes of Health (NIH) RePORTER through the Blue Ridge Institute for Medical Research, respectively. Institutions receiving funds from both the NIH and the private sector were classified separately as publicly funded and privately funded. Research payment characteristics were categorized according to their respective orthopaedic fellowship subspecialties. Descriptive statistics, Wilcoxon rank-sum tests, and Mann-Kendall tests were employed. A p value of <0.05 was considered significant. Results: Over the study period, $348,428,969 in private and $701,078,031 in public research payments were reported. There were 2,229 unique surgeons receiving funding at 906 different institutions. The data showed that a total of 2,154 male orthopaedic surgeons received $342,939,782 and 75 female orthopaedic surgeons received $5,489,187 from 198 different private entities. The difference in the median payment size between male and female orthopaedic surgeons was not significant. The top 1% of all practicing orthopaedic surgeons received 99% of all private funding in 2021. The top 20 publicly and top 20 privately funded institutions received 77% of the public and 37% of the private funding, respectively. Private funding was greatest (31.5%) for projects exploring adult reconstruction. Conclusion: While the amount of public research funding was more than double the amount of private research funding, the distribution of public research funding was concentrated in fewer institutions when compared with private research funding. This suggests the formation of orthopaedic centers of excellence (CoEs), which are programs that have high concentrations of talent and resources. Furthermore, the similar median payment by gender is indicative of equitable payment size. In the future, orthopaedic funding should follow a distribution model that aligns with the existing approach, giving priority to a nondiscriminatory stance regarding gender, and allocate funds toward CoEs. Clinical Relevance: Securing research funding is vital for driving innovation in orthopaedic surgery, which is crucial for enhancing clinical interventions. Thus, understanding the patterns and distribution of research funding can help orthopaedic surgeons tailor their future projects to better align with current funding trends, thereby increasing the likelihood of securing support for their work. [ABSTRACT FROM AUTHOR]

Background: Large spacers offer numerous advantages such as higher fusion rates and lower subsidence rates. However, due to the anatomical constraints of the approach, the use of large spacers in biportal endoscopic transforaminal lumbar interbody fusion(BE-TLIF) necessitates an additional incision and special instruments for spacer implantation leading to less frequent use. Methods: This study has refined several techniques within BE-TLIF. We insert the cage and impact the cage transverse with a special design instrument in the same working portal. This allows for the use of large spacers during BE-TLIF procedures without the need for an auxiliary cage-inserting incision. Conclusion: The technique is a straightforward, safe, and minimally invasive method for inserting large cages in the treatment of lumbar instability. [ABSTRACT FROM AUTHOR]

For surgeons and clinicians, nonobstetric surgery during pregnancy has certain difficulties and considerations. In order to aid in decision‐making in these situations, this manuscript offers a thorough review of the guidelines currently in place from renowned obstetric and surgical societies, such as the American College of Obstetricians and Gynecologists, the Royal College of Obstetricians & Gynecologists, and others. Using AGREE II‐S methodology, a comprehensive analysis of guidelines reveals differences in recommendations for anesthetics, surgical procedures, imaging modalities, and thromboembolic prophylaxis. Furthermore, a thorough discussion of strategic surgical planning is provided, covering aspects such as patient positioning, trocar placement, pneumoperitoneum generation, and thromboembolic risk management. The publication highlights that in order to maximize the results for both the mother and the fetus after nonobstetric surgery performed during pregnancy, a multidisciplinary approach and evidence‐based decision‐making are essential. [ABSTRACT FROM AUTHOR]

Background: Ligament tension balance is a major determinant for the success of total knee replacement (TKR). The present study aimed at determining the inter-rater and intra-rater reliability in performing ligament tension assessment using an imageless robotic-assisted TKR. Methods: Twenty-four knees in 21 patients who received robotic-assisted TKR for end-stage varus osteoarthritis were examined. Three orthopedic specialists and six orthopedic trainees participated in the operations. Data from the ligament tension assessment were collected during the operations. Results: For the inter-rater reliability, "extension medial" and "flexion medial" had excellent reliability whilst "extension lateral" and "flexion lateral" had good-to-excellent reliability. For the intra-rater reliability, "extension medial" showed excellent reliability, "extension lateral" and "flexion medial" showed good-to-excellent reliability, and "flexion lateral" showed moderate-to-excellent reliability. Conclusions: Robotic-assisted technology provides a reliable solution to improve ligament tension assessment. All ligament tension assessments with the use of the technology could demonstrate at least good-to-excellent reliability except for the intra-rater reliability of "flexion lateral". [ABSTRACT FROM AUTHOR]

BACKGROUND: Ultrasound has a long history as a diagnostic and therapeutic tool. Low-intensity pulsed ultrasound (LIPUS), whose intensity is below 300 mW/cm2, has been widely used in orthopedic rehabilitation treatment. However, the detailed bioeffects and underlying mechanisms of LIPUS treatment need to be explored. OBJECTIVE: To make a comprehensive view of the field, bibliometric and visualization analysis was used to reveal the global research trends of LIPUS in orthopedics and rehabilitation treatment between 1994 and 2023. METHODS: All literature data on LIPUS were retrieved from the Web of Science Core Collection database. VOSviewer and CiteSpace were applied for the bibliometric and visualization analysis. RESULTS: A total of 760 publications were included. The distribution of publications generally showed an unstable rising trend. China had the highest number of publications (28.0%), and Chong Qing Medical University was the organization with the highest number of publications (5.8%). Ultrasound in Medicine and Biology had the highest number of publications (8.8%), while BMJ-British Medical Journal had the highest impact factor among the retrieved journals. Ling Qin from the Chinese University of Hong Kong was the most active researcher. Our overlay visualization map showed that the keywords such as pain, knee osteoarthritis, apoptosis, chondrocytes, cartilage, and autophagy, which link to osteoarthritis, have becoming the new research trends and hotspots. CONCLUSION: LIPUS is a popular and increasingly important area of orthopedic rehabilitation, and collaboration of authors from different countries should be further strengthened. Predictably, clinical application of LIPUS on chronic inflammation-related diseases and regenerative medicine, and in-depth biological mechanisms are the orientations of LIPUS in orthopedic rehabilitation treatment. [ABSTRACT FROM AUTHOR]

Background: Assessment of orthopaedic surgery trainees is traditionally based on subjective evaluation by faculty. The recent push for value-based health care has placed a premium on improving patient outcomes. As a result, surgical training evaluations for orthopaedic trainees are evolving to include more objective measures to evaluate competency. Purpose: To develop and subsequently demonstrate the efficacy of a novel surgical skills assessment for orthopaedic sports medicine fellows. Study Design: Case series; Level of evidence, 4. Methods: A team of 14 fellowship-trained orthopaedic sports medicine surgeons developed objective scoring rubrics for anterior cruciate ligament reconstruction (ACLR) and rotator cuff repair (RCR) using a modified Delphi process. Rubrics were designed based on 10 surgical steps with a grading scale (1-5) based on core competencies with a maximum summative score of 50. Fourteen orthopaedic fellows across a regionally diverse group of sports medicine–accredited fellowship programs were invited to complete both an ACLR and RCR in a surgical skills laboratory at the beginning and end of their fellowship year. Individual surgical steps, overall performance, and total procedure time were evaluated by a single sports medicine surgeon for both sessions. Results: Thirteen of 14 fellows completed both pre- and post-fellowship assessments. For the ACLR procedure, the pre-fellowship mean summative score was 25.4 (SD, 4.4) and the post-fellowship mean summative score was 38.6 (SD, 4.1), which was a statistically significant improvement (P <.001). For the RCR procedure, the pre-fellowship mean summative score was 26.6 (SD, 5.4) and the post-fellowship mean summative score was 38.8 (SD, 4.3), which was also a statistically significant improvement (P <.001). The mean time to completion for the ACLR procedure was 82.3 minutes (SD, 4.3 minutes) pre-fellowship, which improved to 69.7 minutes (SD, 11.6 minutes) post-fellowship (P =.002). The mean time to completion for the RCR procedure was 85.5 minutes (SD, 5.0 minutes) pre-fellowship, which improved to 76.4 minutes (SD, 7.0 minutes) post-fellowship (P <.001). Conclusion: This surgical skills program represents the first standardized and reproducible instrument for the evaluation of 2 arthroscopic sports medicine procedures in the United States. Orthopaedic sports medicine fellows improved significantly in aggregate over their fellowship year with regard to the ACLR and RCR. The described program has the potential to serve as both a training tool and formal orthopaedic sports medicine fellow assessment. [ABSTRACT FROM AUTHOR]

Background: Surgical outcomes for proximal hamstring avulsion injury (PHAI) are well documented, yet comparative analyses with nonsurgical approaches remain scarce. Purpose: To compare the functional outcomes between surgical and nonsurgical interventions for PHAI. Study Design: Cohort study; Level of evidence, 3. Methods: This comparative study, conducted at a sports surgery center between January 2012 and July 2021, focused on patients with primary PHAI. The study was a retrospective analysis of prospectively collected data. Group selection involved utilizing propensity score matching to compare an arm of patients who were surgically treated (indications included patients with complete injury, patients with partial injury with >2 cm of retraction, and patients for whom 6 months of nonsurgical treatment failed) with another arm of patients who refused surgery. The primary outcome was evaluated using the Parisian Hamstring Avulsion Score (PHAS). The secondary outcomes included the Tegner Activity Scale (TAS) score; University of California, Los Angeles (UCLA) score; rate and quality of return to sport (RTS); and patient satisfaction. Results: The study included 32 patients (mean age, 55.8 years [SD, 8.4 years]) in the nonsurgical treatment arm and 95 patients in the surgical treatment arm (mean age, 53.4 years [SD, 7.7 years]) (P >.05). The interval from injury to treatment was 5.7 months (SD, 9.6 months) for the surgical group and 12.7 months (SD, 25.9 months) for the nonsurgical group (P >.05). At the final follow-up (nonsurgical group: mean, 56.5 months [SD, 28.2 months]; surgical group: mean, 50.7 months [SD, 33.1 months]), the PHAS was significantly higher in the surgical group (mean, 86.3 [SD, 13.7]) compared with the nonsurgical group (mean, 69.8 [SD, 15.1]) (P <.0001). Higher activity scores were also observed in the surgical group for the TAS and UCLA scores (P =.0224 and P =.0026, respectively). A higher percentage of the surgical group (68.4%) returned to sports compared with the nonsurgical group (46.9%) (P =.0354), with a greater proportion in the surgical group returning at the same or higher level (67.7% vs 26.7%) (P =.0069). Additionally, a higher satisfaction level was reported by patients in the surgical group (89.5%) in contrast to the nonsurgical group (25%) (P <.0001). Three patients in the surgical group experienced complications (2 reruptures and 1 hyperesthesia at the pudendal nerve territories). Odds ratios (ORs) indicated that patients in the surgical group were significantly more likely to achieve or exceed median scores for the PHAS (OR, 6.79; P <.001), TAS score (OR, 2.29; P =.045), and UCLA score (OR, 3.63; P =.003), as well as to RTS at any level (OR, 2.46; P =.031) or at the preinjury level or higher (OR, 6.04; P <.001). Conclusion: This study demonstrated that surgical treatment of PHAI significantly enhances long-term functional scores, including the PHAS, TAS score, UCLA score, satisfaction, and RTS, at a mean follow-up of >4 years compared with nonsurgical treatment. Registration: NCT02906865 (ClinicalTrials.gov identifier) [ABSTRACT FROM AUTHOR]

Background: Chondrocyte viability is associated with the clinical success of osteochondral allograft (OCA) transplantation. Purpose: To investigate the effect of distal femoral OCA plug harvest and recipient site preparation on regional cell viability using traditional handheld saline irrigation versus saline submersion. Study Design: Controlled laboratory study. Methods: For each of 13 femoral hemicondyles, 4 cartilage samples were harvested: (1) 5-mm control cartilage, (2) 15-mm OCA donor plug harvested with a powered coring reamer and concurrent handheld saline irrigation ("traditional"), (3) 15-mm OCA donor plug harvested while submerged under normal saline ("submerged"), and (4) 5-mm cartilage from the peripheral rim of a recipient socket created with a 15-mm cannulated counterbore reamer to a total depth of 7 mm with concurrent handheld saline irrigation ("recipient"). The 15 mm–diameter plugs were divided into the central 5 mm and the peripheral 5 mm (2 edges) for comparisons. Samples were stained using calcein and ethidium, and live/dead cell percentages were calculated and compared across groups. Results: Compared with the submerged group, the traditional group had significantly lower percentages of live cells across the whole plug (71.54% ± 4.82% vs 61.42% ± 4.98%, respectively; P =.003), at the center of the plug (72.76% ± 5.87% vs 62.30% ± 6.11%, respectively; P =.005), and at the periphery of the plug (70.93% ± 4.51% vs 60.91% ± 4.75%, respectively; P =.003). The traditional group had significantly fewer live cells in all plug regions compared with the control group (77.51% ± 9.23%; P <.0001). There were no significant differences in cell viability between the control and submerged groups (whole: P =.590; center: P =.713; periphery: P =.799). There were no differences between the central and peripheral 5-mm plug regions for the traditional (62.30% ± 6.11% vs 60.91% ± 4.75%, respectively; P =.108) and submerged (72.76% ± 5.87% vs 70.93% ± 4.51%, respectively; P =.061) groups. The recipient group (61.10% ± 5.02%) had significantly lower cell viability compared with the control group (P <.0001) and the periphery of the submerged group (P =.009) but was equivalent to the periphery of the traditional group (P =.990). Conclusion: There was a significant amount of chondrocyte death induced by OCA donor plug harvesting using a powered coring reamer with traditional handheld saline irrigation, which was mitigated by harvesting the plug while the allograft was submerged under saline. Clinical Relevance: Mitigating this thermally induced damage by harvesting the OCA plug while the allograft was submerged in saline maintained chondrocyte viability throughout the plug and may help to improve the integration and survival of OCAs. [ABSTRACT FROM AUTHOR]

Background: The capsular ligaments at the hip joint work in synchrony with the acetabulum and femoral head for articular stability. There is a lack of understanding about ischiofemoral ligament (ISFL) anatomy and function. Purpose: To assess the insertion of the ISFL in non-arthritic adult hips. Material and Methods: A retrospective analysis was performed in 72 patients who underwent magnetic resonance arthrogram (MRA) for the assessment of hip pain. The distribution of the ISFL components, the thickness, and the insertion site were assessed by concomitantly using the axial oblique, coronal, and sagittal MRA images. Results: Two insertions of the ISFL anterior to the center of the femoral head were identified in 71 (99%) hips: (i) predominant anterior merging with the iliofemoral ligament as continuation of zona orbicularis, observed in all hips; and (ii) anterolateral junction of femoral neck and greater trochanter. Two ISFL parts (proximal and distal) were identified in 70 (97%) of the 72 studied hips. The proximal part was always thinner (mean 2.6 ± 0.7 mm) and originated from the ischium at the acetabular rim. The distal part was a continuation of the zona orbicularis, and the mean thickness was 6.7 ± 1.6 mm. Both parts merged as they coursed over the superior portion of the femoral head. Conclusion: The predominant insertion of the ischiofemoral ligament is a merging to the iliofemoral ligament anteriorly. Surgical procedures such as hip arthroscopy involving the ISFL will affect the function of the iliofemoral ligament, and vice versa. [ABSTRACT FROM AUTHOR]

Background: Orthopedic surgery, while it rarely cause iatrogenic vascular lesions, leads to significant clinical, social, and economic consequences when it does. The knee is particularly susceptible to these injuries. Case Description: This case study presents the clinical case of a 71-year-old woman with a history of left total knee replacement. Eight years after the initial procedure, a popliteal—popliteal arteriovenous fistula was identified in the same knee. Given the location and caliber of the fistula, and despite the absence of symptoms, an endovascular prosthesis (Viabahn®) was deployed in the popliteal artery to cover the fistula. The prosthesis remained intact for the remainder of the patient's life, who succumbed to metastatic cancer five years later. Additionally, a review of the literature was conducted. Conclusion: This brief report describes an exceptional case of popliteal arteriovenous fistula, diagnosed eight years after a TKA, treated endovascularly and followed up over five years. Both pseudoaneurysms and arteriovenous fistulae should also be considered for early detection. [ABSTRACT FROM AUTHOR]

Sequential drilling is a common practice in dental implant surgery aimed at minimizing thermal damage to bone. This study evaluates the thermal effects of sequential drilling and assesses modifications to drilling protocols to manage heat generation. We utilized a custom drill press and artificial bone models to test five drill bits under various protocols, including sequential drilling with different loads, spindle speeds, and peck drilling. Infrared thermography recorded temperature changes during the drilling process, with temperatures monitored at various depths around the osteotomy. The results reveal sequential drilling does not eliminate the thermal damage zone it creates (well over 70 °C). It creates harmful heat to surrounding bone that can spread up to 10 mm from the osteotomy. The first drill used in sequential drilling produces the highest temperatures (over 100 °C), and subsequent drill bits cannot remove the thermal trauma incurred; rather, they add to it. Modifying drill bit design and employing proper drilling techniques, such as reducing drilling RPM and load, can reduce thermal trauma by reducing friction. Inadequate management of heat can lead to prolonged recovery, increased patient discomfort, and potential long-term complications such as impaired bone-to-implant integration and chronic conditions like peri-implantitis. Ensuring healthy bone conditions is critical for successful implant outcomes. [ABSTRACT FROM AUTHOR]

Background Postoperative cognitive impairment are common neural complications in older surgical patients and exacerbate the burden of medical care on families and society. Methods A total of 140 older patients who were scheduled for elective orthopaedic surgery or pancreatic surgery with general anaesthesia were randomly assigned to Group S or Group I with a 1:1 allocation. Patients in Group S and Group I received intranasal administration of 400 μL of normal saline or 40 IU/400 μL of insulin, respectively, once daily from 5 minutes before anaesthesia induction until 3 days postoperatively. Perioperative cognitive function was assessed using the Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment-Basic (MoCA-B) at 1 day before and 3 days after surgery and postoperative delirium (POD) incidence was assessed using the 3-minute Diagnostic Interview for CAM (3D-CAM) on postoperative days 1–3. Serum levels of interleukin-6 (IL-6), tumour necrosis factor α (TNF-α), S100-β and C-reactive protein (CRP) were measured on the first day after surgery. Results Insulin treatment significantly increased postoperative MMSE and MoCA-B scores in group I than in group S (P  < 0.001, P  = 0.001, respectively), decreased the incidence of POD within the 3-day postoperative period in Group I than in Group S (10.9% vs 26.6%, P  = 0.024), and inhibited postoperative IL-6 and S100-β levels in Group I compared to Group S (P  = 0.034, P  = 0.044, respectively). Conclusions Intranasal insulin administration is thus suggested as a potential therapy to improve postoperative cognition in older patients undergoing surgery. However, a more standardized multi-centre, large-sample study is needed to further validate these results. [ABSTRACT FROM AUTHOR]

BACKGROUND: Robotic-assisted total knee arthroplasty (TKA) have shown promising results in recent years with improved clinical outcomes using standard primary implants. OBJECTIVE: The purpose of this study was to assess the experience of a single center in correcting severe coronal deformities with the use of a robotic-assisted TKA system and an increased constrained implant. METHODS: Between July 2020 and December 2022, 30 knees in 28 patients with a major deformity and an associated ligament laxity requiring an increased constrained implant treated using an imageless robotic-assisted TKA were prospectively enrolled. Patients included in the study showed a minimum 15 degrees varus or 10 degrees valgus deviation. RESULTS: 20 cases were varus knees and 10 cases were valgus knees. Postoperative neutral alignment was defined as 0∘ ± 2.5∘. A CCK implant was used in 20 cases while a Constrained Posterior Stabilized implant was used in 10 cases. A neutral alignment was achieved in all patients. At a minimum 6 months follow up (f-u 6–30 months) clinical outcomes including ROM, KSS, HSS, OKS and WOMAC showed significant improvement and no major complications were registered. CONCLUSIONS: The robotic system showed the achievement of a mechanical alignment with reliable radiographic outcomes and clinical results in the treatment of major deformities of the lower limb with the use of higher constrained implants at short term follow up. Further follow up and studies are necessary to confirm and verify these promising outcomes. [ABSTRACT FROM AUTHOR]

BACKGROUND: The extent of the association between vitamin D deficiency and knee osteoarthritis remains inadequately understood. OBJECTIVE: This study aimed to elucidate the relationship between vitamin D levels and knee osteoarthritis through a cross-sectional analysis. METHODS: This retrospective study involved an analysis of knee radiographs and serum 25-hydroxyvitamin D3 (25-(OH) vitamin D3) levels in a cohort of 3424 individuals (2901 women and 523 men). Knee osteoarthritis severity was evaluated using the Kellgren-Lawrence radiological scoring system. RESULTS: Of the participants, 49.2% (n = 1,683) were diagnosed with knee osteoarthritis. Among these patients, the levels of adjusted 25-(OH) vitamin D3 were significantly lower (p < 0.001). Regression analysis revealed a significant association between vitamin D deficiency and knee osteoarthritis, with an adjusted odds ratio (OR) of 1.7 (95% CI: 1.5–2.0; p < 0.001). Notably, a stronger association was observed between vitamin D deficiency and knee osteoarthritis in women under 65 compared to those aged 65 and above. CONCLUSIONS: The findings of this study indicate a higher prevalence of vitamin D deficiency in patients with knee osteoarthritis. Maintaining adequate serum 25-(OH) vitamin D3 levels may prevent knee osteoarthritis, especially in women below 65. [ABSTRACT FROM AUTHOR]

Background: Functional tests such as the 6‐minute walk test (6MWT) are used in many areas of medicine to monitor disease progression and outcomes of treatment. They are particularly helpful in Orthopaedic surgery as the outcomes have been shown to be responsive to recovery over time. The 6MWT is typically performed in a controlled supervised environment which may limit its widespread use (Terwee et al., Rheumatology (Oxford), 2006, 45, 890–902). The primary aim is to investigate if a patient measured 6MWT is comparable to a 6MWT performed under formal testing conditions (Täger et al., Int. J. Cardiol. 2014, 176, 94–98). Methods: A total of 55 patients undergoing elective primary hip or knee replacement were instructed to use a smart watch to record a 6MWT in their home community environment (C‐6MWT). These measurements were compared to a formally tested 6MWT (F‐6MWT) at 2 separate time periods—6 and 12 weeks post‐surgery. Results: At 6 weeks post operation the Intraclass Correlation Coefficient between a formally tested and a patient self‐administered 6MWT was 0.928 (95% CI 0.832–0.970) and at 12 weeks it was 0.831 (0594–0.935). Conclusion: A patient recorded 6 minute walk test shows high agreement with a formally recorded one under research conditions. This makes this test a suitable way to monitor rehabilitation progression and research outcomes at multiple time periods and in remote situations. [ABSTRACT FROM AUTHOR]

Fragility fractures occur due to low energy mechanisms and result in significant morbidity and mortality. This study reviews the implementation of a fragility fracture program at a level I trauma center. In this pathway, trauma surgery provides clearance followed by admission and management with medical service and orthopedic consultation for injuries which meet fragility fracture criteria. This pathway, implemented in July 2021, includes patients with isolated fractures secondary to a low energy mechanism. We compared cohorts 2-ys before (PRE) and after (POS) pathway implementation. Demographics (age, sex, fracture location, injury severity score, American Society of Anesthesiologists score) and outcome data were collected and analyzed using between-subjects analyses. Measured outcomes included deep vein thrombosis/pulmonary embolism, hospital mortality, disposition to hospice, nonoperative rate, unplanned intensive care unit admission, time to surgery (TTS), and length of stay (LOS). The study included n = 1137 patients (n = 564 PRE and n = 573 POS). POS patients had a higher injury severity score (P = 0.003) and different fracture location (P = 0.017), but no other demographics were different. Trauma admission decreased after implementation (P < 0.001; PRE: 21.5%, POS: 1.8%) with no differences in outcomes except increases in LOS (P < 0.001; PRE: 114 h, POS: 124 h) and TTS (P < 0.001; PRE: 15 h, POS: 18 h). Morbidity and mortality did not correlate with pathway implementation; however, TTS and LOS increased. Although TTS increased, it remained under the American Academy of Orthopedic Surgery 48-h recommendation. The TTS and LOS increases were potentially from COVID-19 or cohort demographic differences. Decreased trauma as admitting service demonstrates pathway adherence. These findings highlight the need for investigation to better understand fragility fracture pathways. [ABSTRACT FROM AUTHOR]

Aim: To determine whether minor orthopedic surgery, performed by physician assistants, using Procedural Sedation Analgesia (PSA) is safe, and to determine admission time and patient satisfaction. Methods: Data of patients operated using PSA was collected for a year and compared to a control group. Results: All patients in the PSA group (N=72) were satisfied, there was no significant difference in complications between the groups and admission time was almost halved (3.4 ± 1.1vs 6.3 ± 1.5 hours, p<0.001). Conclusion: Performing minor orthopedic surgery, performed by physician assistants, using PSA was safe. Patients were satisfied and admission time was almost halved. [ABSTRACT FROM AUTHOR]

This study examined the levels of satisfaction from medical staff and patients by analyzing 691 Supreme Court precedents on medical practice from legal disputes in Korea, which are developing into a dual medical system. In addition, the issues that can be prevented in the medical field through the flow and judgment of legal disputes in medical practice after the revision of the medical law are discussed. The concept of medical practice not specified in the Medical Law was examined and compared with the medical-legal systems of Germany, Japan, and the USA through international comparative analysis to assess the illegal factors occurring in the medical field by analyzing the legal approach, medical practice, and medical personnel qualifications of each country. An analysis of the Supreme Courts case law revealed the timing analysis of issues in legal disputes related to medical practice, the incidence rate among the subjects of the cases, and medical personnel to be significant. The meaning was studied by finding the law that applied to it. Important cases were identified, and their meaning was reviewed. The legal issues of medical practice in orthopedics were divided into five sections based on precedents, such as problems in consent to information at the start of treatment, problems in prior radiography before treatment, explanation of the consent process for surgical treatment, problems related to the qualification of operators in the operating room, and the responsibility for postoperative results. In the wake of the recent major crisis in the governments medical reform policy (Essential medical package), procedural problems and legal reviews of illegal medical practices and their qualifications in the medical field were conducted because of the lack of medical personnel. [ABSTRACT FROM AUTHOR]

Background/Objectives: Neuromuscular blocking agents (NMBAs) are not usually necessary during the induction of general anesthesia in patients using supraglottic airway (SGA) devices. In this study, we assessed the incidences of rocuronium use in adult patients undergoing general anesthesia using SGA devices. Methods: From September 2022 to August 2023, the medical records of adult patients (≥19 years) who underwent orthopedic surgery using SGA devices were retrospectively investigated. The incidences of rocuronium use during anesthetic induction were analyzed according to the anesthetic induction drug. The association of rocuronium use during anesthesia was analyzed in terms of demographic (age, sex, height, and weight), surgical (surgical time), and anesthetic factors (premedication, anesthetic agent, anesthetic time). Results: In total, 321 patients were enrolled. The incidence rate of rocuronium use during anesthetic induction was 28.3%. In the subgroup analysis, patients receiving total intravenous anesthesia (TIVA) with propofol (PPF) and remifentanil showed a markedly lower incidence (14.4%) than the other anesthetic groups. Premedication or short anesthetic duration was associated with lower incidences of rocuronium use. Demographic and other anesthetic factors did not seem to affect the incidences of rocuronium use during anesthesia. Conclusions: The incidence of rocuronium use during anesthetic induction with SGA devices was significantly lower with the PPF-TIVA compared to that using remimazolam-TIVA or inhalational anesthesia. Premedication with midazolam and shorter operation times were associated with a significantly lower incidence of rocuronium use. [ABSTRACT FROM AUTHOR]

Background: Femoral neck fractures pose significant surgical challenges with high morbidity and mortality. Traditional freehand screw placement often yields variable outcomes. Recent robotic advancements offer a promising alternative with enhanced precision. Methods: This systematic review compares the efficacy and safety of robot-assisted versus freehand techniques. A comprehensive literature search across multiple databases up to July 2024 included studies comparing both techniques. Primary outcomes were the union rate and time, functional outcomes, operative time, intraoperative parameters, and complication rates. Meta-regression analyses identified treatment response determinants. Results: Twenty-four studies (1437 patients) were included. Robot-assisted screw placement significantly improved the union rate, reduced the union time, and showed superior functional outcomes. Additionally, it resulted in shorter operative times, less intraoperative blood loss, and fewer instances of fluoroscopy and guide pin insertion. The risk of femoral neck necrosis was notably lower with robotic assistance. Meta-regression highlighted the robot type, patient age, and sample size as significant factors. Conclusions: Despite the promise of robot-assisted screw placement, limitations exist. The evidence being mainly from China raises concerns about generalizability. The lack of long-term follow-up data hinders assessment of technique durability. Unreported surgeon expertise levels and learning curves affect result validity. High initial costs and steep learning curves of robotic systems also present barriers to widespread adoption. [ABSTRACT FROM AUTHOR]

Background Total joint arthroplasty aims to improve quality of life and functional outcomes for all patients, primarily by reducing their pain. This goal requires clinical practice guidelines (CPGs) that equitably represent and enroll patients from all racial/ethnic groups. To our knowledge, there has been no formal evaluation of the racial/ethnic composition of the patient population in the studies that informed the leading CPGs on the topic of pain management after arthroplasty surgery. Questions/purposes Using papers included in the 2021 Anesthesia and Analgesia in Total Joint Arthroplasty Clinical Practice Guidelines and comparing them with US National census data, we asked: (1) What is the representation of racial/ethnic groups in randomized controlled trials compared with their representation in the US national population? (2) Is there a relationship between the reporting of racial/ethnic groups and year of data collection/publication, location of study, funding source, or guideline section? Methods Participant demographic data (study year published, study type, guideline section, year of data collection, study site, study funding, study size, gender, age, and race/ethnicity) were collected from articles cited by this guideline. Studies were included if they were full text, were primary research articles conducted primarily within the United States, and if they reported racial and ethnic characteristics of the participants. The exclusion criteria included duplicate articles, articles that included the same participant population (only the latest dated article was included), and the following article types: systematic reviews, nonsystematic reviews, terminology reports, professional guidelines, expert opinions, population-based studies, surgical trials, retrospective cohort observational studies, prospective cohort observational studies, cost-effectiveness studies, and meta-analyses. Eighty-two percent (223 of 271) of articles met inclusion criteria. Our original literature search yielded 27 papers reporting the race/ethnicity of participants, including 24 US-based studies and three studies conducted in other countries; only US-based studies were utilized as the focus of this study. We defined race/ethnicity reporting as the listing of participants' race or ethnicity in the body, tables, figures, or supplemental data of a study. National census information from 2000 to 2019 was then used to generate a representation quotient (RQ), which compared the representation of racial/ethnic groups within study populations to their respective demographic representation in the national population. An RQ value greater than 1 indicates an overrepresented group and an RQ value less than 1 indicates an underrepresented group, relative to the US population. Primary outcome measures of RQ value versus time of publication for each racial/ethnic group were evaluated with linear regression analysis, and race reporting and manuscript parameters were analyzed with chi-square analyses. Results Two US-based studies reported race and ethnicity independently. Among the 24 US-based studies reporting race/ethnicity, the overall RQ was 0.70 for Black participants, 0.09 for Hispanic participants, 0.1 for American Indian/Alaska Natives, 0 for Native Hawaiian/Pacific Islanders, 0.08 for Asian participants, and 1.37 for White participants, meaning White participants were overrepresented by 37%, Black participants were underrepresented by 30%, Hispanic participants were underrepresented by 91%, Asian participants were underrepresented by 92%, American Indian/Alaska Natives were 90% underrepresented, and Native Hawaiian Pacific Islanders were virtually not represented compared with the US national population. On chi-square analysis, there were differences between race/ethnicity reporting among studies with academic, industry, and dual-supported funding sources (χ² = 7.449; p = 0.02). Differences were also found between race/ethnicity reporting among US-based and non-US-based studies (χ² = 36.506; p < 0.001), with 93% (25 of 27) of US-based studies reporting race as opposed to only 7% (2 of 27) of non-US-based studies. Finally, there was no relationship between race/ethnicity reporting and the year of data collection or guideline section referenced. Conclusion The 2021 Anesthesia and Analgesia in Total Joint Arthroplasty Clinical Practice Guidelines provide evidence-based recommendations that reflect the current standards in orthopaedic surgery, but the studies upon which they are based overwhelmingly underenroll and underreport racial/ethnic minorities relative to their proportions in the US population. As these factors impact analgesic administration, their continued neglect may perpetuate inequities in outcomes after TJA. Clinical Relevance Our study demonstrates that all non-White racial/ethnic groups were underrepresented relative to their proportion of the US population in the 2021 Anesthesia and Analgesia in Total Joint Arthroplasty Clinical Practice Guidelines, underscoring a weakness in the orthopaedic surgery evidence base and questioning the overall external validity and generalizability of these combined CPGs. An effort should be made to equitably enroll and report outcomes for all racial/ethnic groups in any updated CPGs. [ABSTRACT FROM AUTHOR]

Objective: This study aims to evaluate the predictive value of neutrophil−lymphocyte ratio (NLR) in determining infection after orthopedic surgery. Methods: A comprehensive search was conducted in PubMed, EBASE, CNKI, and Wanfang databases to identify relevant studies. The quality of the included studies was assessed using QUADAS-2. Data extraction was performed to calculate sensitivity, specificity, and other indicators. Bivariate mixed-effects meta-analysis was conducted using Stata software. The sources of heterogeneity were evaluated, and a summary receiver operating characteristic curve was generated. Results: A total of 16 literatures comprising 18 studies involving 3737 patients were included in this analysis. NLR demonstrated moderate sensitivity (0.77) and specificity (0.69) in diagnosing orthopedic post-operative infection, with an area under the curve of 0.80 and diagnostic odds ratio of 7.76. Significant heterogeneity was observed among the studies, primarily due to variations in surgical type, infection type, blood test timing, and NLR cutoff value. Fagan nomogram indicated that NLR could increase the positive posterior probability to 72% and decrease the negative posterior probability to 25%. The pooled effect of the likelihood ratio dot plot for diagnosis fell in the lower right quadrant. Deek funnel plot suggested no publication bias in this study. Conclusion: NLR holds certain value in diagnosing infection after orthopedic surgery and can provide additional information to assess the risk of infection. However, its predictive performance is influenced by various factors, and it cannot be used as a sole criterion for confirming the diagnosis. Prospective studies should be conducted in the future to optimize the diagnostic threshold and explore its combination with other indicators. [ABSTRACT FROM AUTHOR]

Background: Postoperative analgesia is crucial for recovery after lower limb orthopedic surgeries. The fascia iliaca compartment block (FICB) is widely utilized for pain management, with varying techniques impacting its efficacy. Objective: To compare the efficacy and safety of the suprainguinal versus infrainguinal approaches of FICB in patients undergoing lower limb orthopedic surgeries. Methods: This randomized controlled trial included 200 patients divided equally between the suprainguinal and infrainguinal block approaches. Efficacy was evaluated based on postoperative pain scores and opioid consumption, while safety was assessed by the incidence of complications. Data were analyzed using chi-square and t-tests, with significance set at p<0.05. Results: The suprainguinal approach resulted in significantly lower pain scores (p=0.02) and reduced opioid consumption (p=0.01) compared to the infrainguinal approach. The effectiveness rates were 78.64% for the suprainguinal and 77.66% for the infrainguinal group. Both approaches demonstrated a high safety profile with no significant difference in complication rates (p>0.05). Conclusion: The suprainguinal approach to FICB provides better postoperative analgesia with less opioid requirement than the infrainguinal approach in patients undergoing lower limb orthopedic surgeries. Future studies should focus on long-term outcomes and cost-effectiveness to validate these findings further. [ABSTRACT FROM AUTHOR]

To evaluate the efficacy and safety of patient-tailored 3D printed brace in the treatment of adolescent idiopathic scoliosis (AIS), and to compare the health-related quality of life (HRQoL) of patients treated with 2 different types of brace. From September 2017 to August 2020, 103 AIS patients requiring non-operative management were prospectively recruited in this study. All patients were followed up every 6 months, clinical and radiologic examination were assessed at each follow-up time. Full-length anteroposterior radiographs of the spine in the standing position were obtained. At the last follow-up, each patient completed a standardized HRQoL questionnaire. Compliance is defined as that the patient insists on wearing the brace for ≥23 hours every day (full-time wearing) and follow-up every 6 months until bone maturity. The rate of major curve Cobb progression was defined that maximum Cobb angle of major curve greater than 6° compared with that at the initial diagnosis, or aggravated to more than 45° so that orthopedic surgery was recommended during treatment, which was defined as the rate of conversion to surgery. The effects of these 2 types of braces on the rate of major curve Cobb progression and HRQoL were analyzed by independent sample t test and χ2 test. The thickness was 4 mm for thoracolumbosacral orthosis (TLSO) and 3 mm for 3D-printed brace (3DPB). In addition, compared with the material used in TLSO, the weight (600–800 g) of the 3DPB materials with the same area is reduced by about 25% to 30%. In our sample, 55 patients (49.1%) and 48 patients (33.1%) were respectively included in the 3DPB cohort and the TLSO cohort. The maximum Cobb angle of major curve in the 3DPB cohort was significantly lower than those in the TLSO cohort at 6 months, 12 months, and the last follow-up (P < 0.01). The thoracic kyphosis (TK) and lumbar lordosis (LL) of the 2 cohorts at the last follow-up were lower than those before brace treatment, in addition, there was a significant difference in TK (P = 0.001) and LL (P = 0.004) between the 2 cohorts at the follow-up. The scores of physical function, pain, self-image, mental health, and treatment satisfaction in the Chinese version of the 22-item questionnaire of the Scoliosis Research Society in the 3DPB cohort were higher than those in the TLSO cohort (P < 0.01 and P < 0.05, respectively). The scores of the 3DPB cohort were significantly higher than those of the TLSO group in the 4 dimensions (P = 0.008, 0.013, 0.015, and 0.002, respectively) of the EuroQol-5D health description system except for mobility, and the overall health status of EuroQol-5D was higher for the 3DPB cohort (P < 0.001). At the last follow-up, 1 patient in the 3DPB cohort and 10 patients in the TLSO cohort had major curve Cobb progression of greater than 6°, and the rate of major curve Cobb progression in the 3DPB cohort was significantly lower than that in the TLSO cohort (OR 14.2, 95% CI 1.7∼115.8, P < 0.01). One patient in the 3DPB and 7 patients in the TLSO cohorts received subsequent surgery or were recommended for surgery, and the rate of conversion to surgery was significantly lower than in the 3DPB cohort (OR 9.2, 95% CI 1.1∼77.9, P < 0.05). A patient-tailored 3D-printed brace is lighter, thinner, and more comfortable than conventional braces in the treatment of AIS. It can substantially improve the HRQoL of patients and can significantly reduce the progression of major curve Cobb progression and rate of conversion of surgery. [ABSTRACT FROM AUTHOR]

Objectives: The current study compared the outcome after orthopaedic surgeries in patients with rheumatoid arthritis receiving Janus kinase inhibitors (JAKis) versus biologic disease-modifying anti-rheumatic drugs (bDMARDs). Methods: This was a retrospective observational study of Japanese patients with rheumatoid arthritis. Sixty-two patients with rheumatoid arthritis using JAKi preoperatively underwent orthopaedic surgeries. Using propensity score matching, these 62 patients were matched with 62 patients using bDMARDs preoperatively. The number of adverse events was counted. We also examined whether the drug-withholding period in the JAKi-treated group was associated with the occurrence of major postoperative adverse events, namely inflammatory flares and delayed wound healing. Results: JAKi-treated patients had a higher incidence of postoperative flares than bDMARD-treated patients (29% versus 12.1%, P = .01). The incidences of postoperative complications other than flares were not significantly different between the two groups. Among the JAKi-treated group, a longer perioperative drug-withholding period (≥11 days) was associated with a higher incidence of postoperative flares (P = .04). The incidences of delayed wound healing and surgical site infection were not associated with the duration of the JAKi-withholding period. Conclusions: JAKi-treated patients had a higher incidence of postoperative flares than bDMARD-treated patients. A total of ≥11 days of drug withdrawal was associated with postoperative flares. [ABSTRACT FROM AUTHOR]

Purpose: Lower extremity chronic exertional compartment syndrome (LE-CECS) can limit rigorous physical activity, particularly in the US military, and fasciotomy is a potential treatment. Associations between LE-CECS, fasciotomy, and occupational outcomes appear understudied. We studied active-duty US service members to identify whether LE-CECS diagnoses and fasciotomy for LE-CECS predict military service separation. Methods: We conducted a retrospective cohort study of 1,103,417 individuals who entered service during 2011 to 2017. Distributions of separation statuses and independent variables were tabulated, and sex-specific multivariable regression models were computed for separation outcomes. Results: LECECS was associated with a 474% medical service separation risk in men (95% confidence interval (CI) for adjusted risk ratio: 5.21 to 6.33) and a 282% increase in women (CI: 2.99 to 4.88). Among 1947 patients with LE-CECS, men saw a 57% nonmedical separation risk increase (CI: 1.27 to 1.93) and women had a 119% increase (CI: 1.10 to 4.35) when anterior and/or lateral compartment procedures occurred. Men with LE-CECS and any posterior procedures saw a 47%nonmedical separation risk increase (CI: 1.17 to 1.86). Men with anterior and/or lateral procedures and any posterior procedures experienced 36% (CI: 1.09 to 1.71) and 78% (CI: 1.40 to 2.26) medical separation risk increases, respectively. No statistically significant risk increases for the outcomes were otherwise seen for women. Conclusions: LE-CECS was associated with increased military service discharge risks. Among the affected patients, positive effects on career longevity were not seen in association with fasciotomy. However, fasciotomy could simply serve as a marker of the most refractory cases that are least likely to continue service. More study is needed to clarify causal pathways and identify patients who may derive career benefits from surgical treatment. [ABSTRACT FROM AUTHOR]

Purpose: Vascular injuries are rarely associated with severe knee injuries; nonetheless, it is imperative to efficiently detect this condition and plan for either immediate or definitive treatment at later stages. The diagnosis and management of multiligament knee injuries still present unresolved issues, particularly in the early detection of vascular issues and the sequential stabilisation of ligaments. High-energy trauma is a frequently encountered cause, however, even low-energy trauma in those who are morbidly obese might pose a significant risk. Advancements in detection and management methods have greatly decreased the occurrence of vascular complications and amputation rates over time. MLKIs after transient knee dislocations are frequently misdiagnosed for vascular injuries, underscoring the necessity for improved diagnostic techniques to avoid avoidable amputations. Methods: This article is a new conceptual review of vascular injuries associated with MLKIs. It provides a full overview of these conditions and includes a review of the most recent literature. We have included pertinent citations from the literature, together with suggestions derived from the latest studies. This review article had additional evaluation by proficient specialists with commendable outcomes and more than a decade of expertise in surgical techniques. Results: This article offers a detailed overview of orthopaedic management, including new definitions and summaries of the causes, evaluation of patients, clinical assessment, identification of vascular injuries, and initial management in patients with vascular impairment following major limb and joint injuries (MLKIs). Conclusion: MLKIs (patients with lower limb ischaemia) who have vascular damage necessitate meticulous physical assessment and sophisticated treatments in order to decrease amputation rates. Prompt identification and timely treatment of vascular lesions, namely in the popliteal artery, can substantially reduce the occurrence of amputations. Emerging research suggests that there is a heightened risk in low-energy situations, particularly amongst individuals who are extremely obese. Progress in vascular intervention has led to a reduction in amputation rates, whilst the implementation of new guidelines has enhanced identification. Thorough patient assessment is essential, utilising physical examinations and imaging techniques such as Computed tomography angiography, magnetic resonance angiography (CTA or MRA) to guide treatment decisions. MRA, in particular, is capable of identifying both vascular and knee structural damage. Level of Evidence: Level IV, Literature reviews. [ABSTRACT FROM AUTHOR]