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Purpose: This study aimed to assess the validity and informational value of the material provided on TikTok regarding frozen shoulders. The hypothesis was that the video content on this platform would not provide adequate and valid information., Methods: The current study focused on frozen shoulder videos on the TikTok social media platform. The terms "frozen shoulder" and/or "adhesive capsulitis" were used as keywords for an extensive online search of video content on TikTok, and the first 100 videos were included. Out-of-topic, non-English, and duplicated videos were excluded from the analysis. The duration and numbers of likes, shares, and views were recorded for each video. Further, videos were categorized based on the source (physiotherapist/osteopath, medical doctor, or private user), type of information (physical therapy, etiopathogenesis, anatomy, clinical examination, patient experience, or symptoms), video content (rehabilitation, education, or patient experience/testimony), and the presence of music or a voice. The assessment of the video content's quality and reliability was performed by two experienced shoulder surgeons using the DISCERN instrument, the Journal of the American Medical Association (JAMA) benchmark criteria, and the Global Quality Score (GQS)., Results: A total of 100 videos were included in the analysis, of which 86 (86.0%) were published by physiotherapists/osteopaths. Most of the information and video content focused on physical therapy and rehabilitation (83.0% and 84.0%, respectively). Eighty-four (84.0%) videos included voice comments, while the remaining featured music. The mean number of views was 2,142,215.32 ± 6,148,794.63, while the mean numbers of likes, comments, and shares were 58,438.67 ± 201,863.54, 550.81 ± 1712.22, and 3327.43 ± 7320.81, respectively. The mean video duration was 110.20 ± 116.43 s. The mean DISCERN score, JAMA score, and GQS were 16.17 ± 2.36, 0.61 ± 0.51, and 1.18 ± 0.41, respectively. Videos posted by medical doctors or private users received higher scores than those posted by physiotherapists/osteopaths (p < 0.05)., Conclusions: The educational value of videos published on TikTok was poor; videos posted by medical doctors exhibited better quality and educational value than those of physiotherapists or osteopaths. It is the responsibility of orthopedic surgeons to investigate the potential benefits, consequences, and implications of TikTok video content for the health of frozen shoulder patients and to propose necessary adjustments. Given the rapid growth of TikTok, further research is needed., Level of Evidence: Level IV-cross-sectional study., Competing Interests: Declarations. Ethics approval and consent to participate: This article does not require approval by the ethics committee, as no data on human beings were used, only videos that present on TikTok and are therefore publicly accessible to anyone.This article does not require approval by the participants, as no data on human beings were used. Consent for publication: All authors consent to the publication of the manuscript. Competing interests: The authors declare that they have no competing interests., (© 2024. The Author(s).)

Purpose: The assessment of functional outcomes after pelvic ring fracture remains a controversial topic. The Majeed pelvic score (MPS) is the most commonly used pelvic-specific questionnaire in the literature. The aim of this study is translation, cross-cultural adaptation and validation of the Italian version of MPS., Methods: The study was articulated in two phases. Phase 1 consisted in translation and cross-cultural adaptation of MPS, from English into Italian. The psychometric properties were tested on 52 Italian patients (Phase 2). Construct validity was assessed by correlation with Short-Form 12 (SF-12). 33 patients repeated the questionnaire after 14 days to assess its reproducibility. All data were subsequently analyzed (descriptive statistics, multitrait analysis, reliability and construct validity assessment)., Results: The questionnaire was clear and easily understood (no missing data). A ceiling effect was detected for all items of the scale. Multitrait analysis showed good results for each outcome measure, except for the item "walking distance" that showed poor item discriminant validity. A significant correlation between the MPS and the physical component summary (PCS) of the SF-12 was found, while there was a weak correlation with the mental component summary (MCS). The questionnaire showed high internal consistency (Cronbach's alpha: 0.91-0.99) and very good test-retest reliability (intraclass correlation coefficients: 0.92-0.96)., Conclusions: The Italian version of the MPS has demonstrated to be reliable and valid in the evaluation of patients with pelvic ring fractures. There is still however a need for an instrument capable of evaluating the mental component in these types of injuries., Competing Interests: Declarations Conflict of interest The authors have no relevant financial or non-financial interests to disclose. Ethics approval This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of ASST degli Spedali Civili di Brescia (Date 20/07/2021 /No. NP 4769 and Date 25/08/2021 /No. NP 4913). Consent to participate Informed consent was obtained from all individual participants included in the study. Consent to publish Patients signed informed consent regarding publishing their data., (© 2024. The Author(s).)

Purpose: Recurrent shoulder instability, a common musculoskeletal disorder, often involves glenoid bone loss and Hill-Sachs lesions. However, the optimal imaging modality for accurately and reliably quantifying bipolar bone loss remains uncertain. This systematic review aims to evaluate the accuracy and reliability of various imaging modalities in assessing bipolar bone loss in anterior shoulder instability., Methods: Major electronic databases were searched for English-language studies reporting the measurement of glenoid track width and/or determination of on/off track HSL through imaging. Studies reporting statistical measures such as area under the curve, sensitivity, specificity, positive predictive value, NPV, intraobserver reliability and interobserver reliability were included. Data extraction and risk of bias assessment were performed independently by two reviewers., Results: The systematic review included 19 studies comprising 1567 shoulders. Overall, studies could be divided into those looking at the accuracy or reliability of determining glenoid track width, on- or off-track Hill-Sachs lesions and near-track lesions. Three-dimensional images of computed tomography (3D-CT) was the most reliable and accurate imaging modality to measure the glenoid track width. On the opposite, two-dimensional magnetic resonance imaging (2D-MRI) did not provide enough evidence of accuracy and reliability in the determination of On/Off track lesions and near-track lesions., Conclusion: 3D-CT demonstrated excellent reliability for measuring glenoid track width. However, the reliability of 2D-MRI for determining on/off track Hill-Sachs lesions is still controversial., Level of Evidence: Level III., (© 2024 The Author(s). Knee Surgery, Sports Traumatology, Arthroscopy published by John Wiley & Sons Ltd on behalf of European Society of Sports Traumatology, Knee Surgery and Arthroscopy.)

Purpose: The main purpose of the present study was to evaluate if there is a difference between objective or subjective administration of the MSTS score in a cohort of patients affected by musculoskeletal oncological diseases., Materials and Methods: All patients who underwent surgery for bone or soft tissue localization of neoplastic disease in lower or upper limb from June 2015 to June 2020 were considered eligible. In order to administer the score as a PROM, the MSTS was first translated and cross-culturally adapted in Italian. During follow up visits, all patients filled out Italian versions of SF36, TESS and MSTS. Psychometric properties of the Italian version of MSTS were analyzed. Correlation between objective and self-administered MSTS score was assessed through Pearson's coefficient., Results: A finale sample of 110 patients were included: 59 affected by lower extremity involvement and 51 affected by upper extremity involvement. The Italian version of the MSTS score showed good psychometric properties for both lower and upper extremity. The correlation between self-administered and hetero-administered version of the questionnaire was as high as r = 0.97 for lower extremities and r = 0.96 for upper extremities., Conclusions: The Italian version of the MSTS is a valid tool to evaluate outcomes of surgical treatment of patients affected by extremities tumors and it can be used as a subjective tool for both lower and upper extremity., (© 2024. The Author(s).)

The aim of the study was to accomplish translation, cross-cultural adaptation and validation of the Western Ontario Rotator Cuff (WORC) Index questionnaire for its use in Italy. The WORC original version was translated and cross-culturally adapted into Italian. Subsequently, it was administered to a population of 60 patients suffering from rotator cuff disease to evaluate the validity and reliability of the Italian version. The content validity evaluated the correlation between questions and total score of each domain through Pearson's correlation coefficient. The construct validity was similarly assessed through Pearson's correlation coefficient by testing the correlation between the Italian WORC and the Italian version of the Disability of the Arm, Shoulder and Hand (DASH) questionnaire. Reliability was assessed using two methods: internal consistency by calculating the Cronbach's alpha coefficient for each domain; and test-retest by means of the intraclass correlation coefficient (ICC). The translation and cross-cultural adaptation of the Italian version did not reveal any major problems. No significant floor or ceiling effects were found. All the questions were linearly related to the concept expressed by the domain of belonging. Overall correlation with the DASH score was 0.75. Internal consistency was very high overall (α = 0.93) as well as reliability (overall ICC = 0.87). The Italian version of the WORC questionnaire is a valid and reproducible measuring instrument and can be considered a valid tool for the evaluation of the effectiveness of a treatment in terms of quality of life, in Italian patients affected by rotator cuff diseases.Level of evidence Diagnostic study, level II., (© 2024. The Author(s).)

Background: Rotator cuff repair is one of the most frequently performed procedures in orthopedic surgery. However, considering the limited healing potential of rotator cuff tendons, several augmentation strategies have evolved to enhance tendon healing. The purpose of this article was to present a new surgical technique called Bio-Ravioli., Methods: Patients with repairable full-thickness posterosuperior rotator cuff tear and a moderate-to-high risk of healing failure were chosen as candidates for the Bio-Ravioli procedure. It is a biologic augmentation strategy to increase healing potential of arthroscopic rotator cuff repair by use of a biologic graft fixed at the bone-tendon interface. The Bio-Ravioli consists of microfragmented autologous subacromial bursal tissue enveloped in a patch of compressed autologous long head of biceps tendon tissue. The rotator cuff is then repaired to the bone and over the graft using a transosseus equivalent configuration., Conclusion: The Bio-Ravioli technique represents an easy and reliable way to increase the healing potential at the bone-tendon interface by using autologous mesenchymal stem cells from different sources: subacromial bursa and long head of the biceps tendon., (© 2024 The Authors.)

Purpose: This study aimed to assess the validity and informational value of TikTok content about epicondylitis. The hypothesis tested herein was that TikTok video content would not provide adequate and valid information., Methods: The term "epicondylitis" was used as a keyword to comprehensively search for TikTok videos, and the first 100 videos that were retrieved were subsequently included for analysis. The duration, number of likes, number of shares and number of views were recorded for each video. Furthermore, the videos were categorized on the basis of their source (medical doctor, physiotherapist, or private user), type of information (physical therapy, anatomy, clinical examination, etiopathogenesis, patient experience, treatment, or other), video content (rehabilitation, education, or patient experience/testimony), and the presence of music or voice. Assessments of video content quality and reliability were conducted using the DISCERN tool, the Journal of the American Medical Association (JAMA) benchmark criteria, and the Global Quality Score (GQS)., Results: A total of 100 videos were included in the analysis: 78 (78.0%) were published by physiotherapists, 18 were published by medical doctors (18.0%), and 4 were published by private users (4.0%). Most of the information pertained to physical therapy (75; 75.0%) and most of the content was about rehabilitation (75; 75.0%). The mean length of the videos was 42.51 ± 24.75 seconds; the mean number of views was 193,207.78 ± 1,300,853.86; and the mean number of comments, likes, and shares were 22.43 ± 62.54, 1578.52 ± 8333.11, and 149.87 ± 577.73, respectively. The mean DISCERN score, JAMA score, and GQS were 18.12 ± 5.73, 0.80 ± 0.53, and 1.30 ± 0.52, respectively. Videos posted by medical doctors/private users had higher scores (p < 0.05) than videos posted by physiotherapists. Videos that focused on education or patient experience had higher scores (p < 0.05) than videos based on rehabilitation., Conclusions: TikTok can be an unreliable source of information regarding epicondylitis treatment. It is common to find nonphysicians who share medical advice on the platform, with medical treatments demonstrating the weakest level of supporting evidence. Elbow surgeons should advise their patients that treatment recommendations from TikTok may not align with established guidelines., Level of Evidence: Level IV-Cross-sectional study., (© 2024. The Author(s).)

Background: Magnetic resonance (MR) imaging is the most common modality for assessment of the rotator cuff before and after surgery. Several classifications have been described aiming to define main tear characteristics. However, there is still confusion when it comes to the reliability of those classifications., Purpose: (1) To identify all MR classifications available in the literature for preoperative assessment of rotator cuff tears, (2) to summarize available data on the reliability of identified classifications, and (3) to assess the methodological quality of reliability studies., Study Design: Systematic review; Level of evidence, 4., Methods: This systematic review was conducted following the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. All studies reporting MR assessment in patients with a superior or posterosuperior rotator cuff tear were included. After identification of the available MR criteria, reliability studies were analyzed. Descriptive statistics were used to summarize findings. Methodological quality was assessed using the Quality Appraisal of Reliability Studies checklist., Results: A total of 75 studies were included in this review. Eight categories of outcomes could be identified. Of the total, 62 studies reported interobserver reliability whereas 32 reported intraobserver reliability of some of the identified criteria. Each category reflected a variety of reliability, ranging from poor to excellent agreement. MR proved to be a reliable imaging modality to detect the structural integrity of the posterosuperior cuff, especially in cases of full-thickness tear; it was also reliable in terms of tear width and length and muscle atrophy based on a tangent sign or Thomazeau classification. All other classifications did not prove acceptable reliability. Methodological quality was high for 23 articles and moderate for 14., Conclusion: Preoperative MR is a reliable imaging modality to identify full-thickness tears, measure tear size and morphology, and identify muscle atrophy with tangent sign or Thomazeau classification. All other outcomes and classifications did not show acceptable reliability; therefore, caution is needed when using them for preoperative evaluation of a rotator cuff tear., Competing Interests: The authors declared that they have no conflicts of interest in the authorship and publication of this contribution. AOSSM checks author disclosures against the Open Payments Database (OPD). AOSSM has not conducted an independent investigation on the OPD and disclaims any liability or responsibility relating thereto.