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Objective: To culturally adapt and validate the Italian version of the Shoulder Instability—Return to Sport after Injury (SI-RSI-I) scale. Methods: The SI-RSI-I was developed by adapting the Anterior Cruciate Ligament—Return to Sport Index—Italian version and replacing the term "knee" with "shoulder." Subsequently, it underwent validation following COSMIN recommendations. The study involved athletic participants who experienced SI. They completed the SI-RSI-I together with other measurement instruments: Western Ontario Shoulder Instability Index, Kerlan-Jobe Orthopedic Clinic Score, EuroQol-5D-5L, and Numeric Pain Rating Scale. The following psychometric properties were investigated: structural validity, internal consistency, test–retest reliability, measurement error, and construct validity. Results: The study included 101 participants (age mean [SD] 28.5 [7.4] y; 83 males, 18 females). The SI-RSI-I showed a single-factor structure, excellent internal consistency (α =.935), and excellent test–retest reliability (ICC =.926; 95% CI,.853–.964). The standard error of measurement was 6.1 points, and the minimal detectable change was 17.0 points. Furthermore, SI-RSI-I demonstrated moderate to strong correlations with all reference scales, confirming 8 out of 9 (88.0%) hypotheses, thus establishing satisfactory construct validity. Conclusion: The SI-RSI-I has demonstrated robust internal consistency, reliability, validity, and feasibility as a valuable scale for assessing psychological readiness to return to sport in Italian athletes with SI. [ABSTRACT FROM AUTHOR]

Muscle and tendon injuries encompass a wide range of conditions, including both acute and chronic ailments, and are common among athletes, representing a significant cause of injuries in various sports. Frequently affected areas include the hamstrings, quadriceps, gastrocnemius, and hip flexors. Concurrently, tendinopathy presents a complex clinical challenge, affecting a majority of athletes due to high load demands and repetitive movements, with its incidence in sports practice increasing over the last decades to account for up to 30% of all injuries. The substantial costs, both in terms of time away from competition and financial loss, have spurred growing scientific interest in therapies that can enhance the healing process of these injuries. In this context, innovative orthobiologic approaches, particularly platelet-rich plasma (PRP) and mesenchymal stem cells (MSCs), have been explored for their potential to facilitate the return-to-play phase and reduce the risk of reinjury by modulating inflammation and promoting tissue regeneration. This narrative review aims to summarize the current evidence regarding the role of orthobiologics in the management of sports-related muscle and tendon injuries. [ABSTRACT FROM AUTHOR]

Purpose: The purpose of this study was to evaluate validity and responsiveness of the Degree of Shoulder Involvement in Sport (DOSIS) scale.Methods: A web-based survey was developed to test the construct validity of the DOSIS scale. Fifty-three patients with a median age of 33 years (range 17-59) were included in the study. Convergent validity was evaluated by external correlation (Spearman's rank correlation coefficient, r) of the DOSIS with the Brophy-Marx and Tegner activity scales, the Western Ontario shoulder instability index (WOSI), the Simple Shoulder Test (SST), and the Short-Form 36 (SF-36). Responsiveness was analysed by relative efficiency calculation of the DOSIS versus the Brophy-Marx and Tegner activity scales.Results: The DOSIS showed strong correlation with the Brophy-Marx and Tegner activity scales, a moderate correlation with the WOSI and SST scores, and a moderate correlation with the physical functioning, role physical and role emotional subscores of the SF-36. The distribution of the DOSIS scores had no serious ceiling or floor effects. The DOSIS demonstrated lesser responsiveness when compared to the Brophy-Marx and Tegner activity scales.Conclusion: The DOSIS showed an adequate validity and responsiveness. The clinical relevance of this study is that the DOSIS scale can be used for sport-specific shoulder assessment in patients after surgery for anterior instability.Level Of Evidence: III. [ABSTRACT FROM AUTHOR]

Purpose: The purpose of this study was to determine the safety of a new arthroscopic Matrix-induced autologous chondrocyte implant (MACI) technique with carbon dioxide insufflation utilized to improve visualization during the dry phase of the scaffold implant.Methods: Between 2004 and 2007, thirty patients were treated for symptomatic focal chondral lesions of the medial femoral condyle. All patients were monitored during surgery for gas embolism signs and symptoms and were evaluated preoperatively and at a median follow-up of 70.5 months (range 48-93 months) using the KOOS subjective evaluation score, the Lysholm function score, the Tegner activity scale for the knee, and the IKDC objective score.Results: No cases of intraoperative or postoperative symptoms or signs related to gas embolism or persistent subcutaneous emphysema were registered. Each subscale of the KOOS subjective score improved from preoperative to follow-up. The median Lysholm score was 50 (range 15-66) at baseline and 87.5 (range 54-100) at follow-up (p < 0.05). The median Tegner score was 2 (range 1-4) at baseline to 5 (range 2-7) at follow-up (p < 0.05).Conclusions: No complications registered, and the satisfactory clinical results achieved in this series suggest that carbon dioxide insufflation during arthroscopic MACI is a safe and accessible option to improve visualization during the dry phase of the scaffold implant on medial femoral condyles. [ABSTRACT FROM AUTHOR]