Comprehensive rehabilitation of Supraspinatus tear: A case study of post-op fracture stiffness

2021 ◽  
Vol 12 (3) ◽  
pp. 2248-2251
Author(s):  
Angela Kapoor
Keyword(s):  
Diabetes Mellitus ◽  
Soft Tissue ◽  
Range Of Motion ◽  
Frozen Shoulder ◽  
Supraspinatus Tendon ◽  
Shoulder Abduction ◽  
Tendon Tear ◽  
Shoulder Stiffness ◽  
Shoulder Dysfunction ◽  
Therapeutic Exercises

The disorders of the upper extremity and the shoulder is extremely common accounting for 30 % of people who experience shoulder pain and stiffness at some stage of their ageing. A high incidence of shoulder dysfunction is seen in people in recent trends. Shoulder stiffness is the main complication after fracture shoulder immobilization, and Diabetes Mellitus contribute to the frozen shoulder, which is the most typical complication in Diabetes mellitus patients. A case of lateral clavicle fracture with chief complaints of pain on the right shoulder, stiffness around the joint and reduced range of motion was reported to the outpatient physiotherapy department for rehabilitation. A proper assessment was done, and the differential diagnosis was frozen shoulder with supraspinatus tendon tear was reported. The patient also had a reduced range of motion of shoulder abduction and lateral rotation due to frozen shoulder. The investigation of MRI report stated that there is a partial supraspinatus tendon tear. Medical examination of the frozen shoulder confirms the diagnosis. A combination of non-pharmacological treatment with exercises, NSAID and exercise therapy, was planned. He was successfully treated with the combination of physical therapy treatment with the electrotherapy modalities and shoulder girdle mobilization. Comprehensive therapeutic exercises include mobilization of soft tissue using Cyriax technique, peripheral joint mobilization to improve controlled ROM. Mobilization of soft tissue along with home exercise supports patients suffering from frozen shoulder. The treatment primarily aimed at relieving pain and increasing range of motion and thus improving the quality of life in the patient. Only manual therapy alone does not give satisfactory results along with electrotherapeutic modality with proper dose work on the patient.

scholarly journals Repair of Lafosse I subscapularis injury adds no additional value in anterosuperior rotator cuff injury

2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Binghao Zhao ◽  
Qingsong Zhang ◽  
Bo Liu
Keyword(s):  
Rotator Cuff ◽  
Range Of Motion ◽  
Shoulder Joint ◽  
Statistical Difference ◽  
Supraspinatus Tendon ◽  
Joint Function ◽  
Tendon Tear ◽  
Rotator Cuff Injury ◽  
Additional Value ◽  
Repair Group

Abstract Background The study aimed to explore the additional value of repair of Lafosse I subscapularis injury compared with debridement in anterosuperior rotator cuff injury. Methods The prospective study was conducted on a total of 41 patients with supraspinatus tendon tear combined with Lafosse I subscapularis injury. Eighteen patients were divided into the repair group and 23 patients were divided into the non-repair group. The two groups were compared for intraoperative parameters, pain score, range of motion of the shoulder joint, shoulder joint function and quality of life (QoL) at pre-operation, 3 and 6 months postoperatively and the final follow-up visit. Results The width of supraspinatus tendon tear did not exceed 3 cm and did not retract beyond the glenoid in among patients. There was no statistical difference of preoperative data between two groups, including age, course of disease, positive Jobe test, positive Bear-hug test, positive Lift-off test, Patte stage, longitudinal tear and pain severity (P > 0.05). Compared to preoperative levels, the severity of pain, ASES scores and EQ-5D-3L scores were significantly lower at 3 and 6 months postoperatively and the final position (P < 0.05). However, there was no statistical difference in pain severity, ASES scores and EQ-5D-3L scores between repair group and non-repair group (P > 0.05). Similarly, compared to preoperative levels, the range of motion of shoulder joint was significantly improved after operation, including internal rotation, external rotation, forward flexion and elevation (P < 0.05). However, there was no statistical difference in range of motion of shoulder joint between repair group and non-repair group (P > 0.05). Conclusion Operative treatment can effectively lessen severity of pain in the patients, improve shoulder joint function, increase the range of motion of the shoulder joint and enhance the QoL in treating anterosuperior rotator cuff injury. However, repair of subscapularis brings no benefit compared to debridement in treating supraspinatus tendon tear combined with Lafosse I subscapularis injury.

scholarly journals Recovery of Range of Motion and Decrease in Pain after Progression of Supraspinatus Tendon Tear: A Case Report

2019 ◽  
Vol 13 (1) ◽  
pp. 84-88
Author(s):  
Yoshihiro Hagiwara ◽  
Junichiro Hamada ◽  
Akira Ando ◽  
Kenji Kanazawa ◽  
Yutaka Yabe ◽  
...  
Keyword(s):  
Rotator Cuff ◽  
Range Of Motion ◽  
The Elderly ◽  
Supraspinatus Tendon ◽  
Operative Management ◽  
Rotator Cuff Tears ◽  
Tendon Tear ◽  
Duration Of Symptoms ◽  
First Case ◽  
The Right

Rotator cuff disease is one of the most prevalent shoulder disabilities especially in the elderly population. Tear progression is significantly greater in the symptomatic patients than in the asymptomatic ones. From these aspects, shoulder surgeons interpret surgical indications and counsel patients regarding the risk of non-operative treatments. However, there were a few reports that pain and duration of symptoms were not strongly associated with severity of rotator cuff tears, and non-operative management with physical therapy was effective. There have remained controversies for the treatment of rotator cuff tears.A 59-year-old man with a sedentary work life experienced right shoulder pain with abduction at night. However, the pain kept worsening after two months, and he finally visited our clinic three months after the onset of pain. Magnetic resonance imaging in the coronal and axial planes showed effusion around the subacromial and subcoracoid bursae and joint-side tear of the supraspinatus tendon. A range of motion in the right shoulder was severely restricted at the initial visit of our clinic. After sufficient rehabilitation, the symptoms were not changed and an arthroscopic rotator cuff repair was scheduled. However, during waiting for surgery, he felt something popped in the right shoulder while wearing a jacket. Immediately after this, pain during motion and at night decreased, and he experienced no difficulty with activities of daily living and the surgery was cancelled. This is the first case with a recovery of range of motion and a decrease in pain after progression of a supraspinatus tendon tear.

scholarly journals AB1310-HPR EFFECTS OF INSTRUMENT-ASSISTED SOFT TISSUE MOBILIZATION ON FROZEN SHOULDER: A RANDOMIZED CONTROLLED TRIAL

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1945.2-1945
Author(s):  
E. Kaya Mutlu ◽  
T. Birinci ◽  
S. Kilic
Keyword(s):  
Soft Tissue ◽  
Range Of Motion ◽  
Frozen Shoulder ◽  
Controlled Study ◽  
Joint Mobilization ◽  
Randomized Controlled ◽  
Constant Murley Score ◽  
Group I ◽  
Group Ii ◽  
Soft Tissue Mobilization

Background:Frozen shoulder has a greater incidence, more severe course, and resistance to treatment in patients. Management is based on the underlying cause of pain and stiffness. Joint mobilization has been reported to improve joint range of motion in frozen shoulder. However, there is no information regarding the effect of instrument-assisted soft tissue mobilization (IASTM) in frozen shoulder. We proposed that there would be no significant difference between the two manual physical therapy techniques with relatively similar treatment effects in the frozen shoulder.Objectives:The aim of this randomized controlled study was to compare the effectiveness of IASTM and joint mobilization in the treatment of patients with frozen shoulder.Methods:Thirty patients with phase II frozen shoulder (mean age 50,9 years, age range 39–65 years) were randomly assigned to one of the two treatment groups: Group I received joint mobilization combined with manual stretching exercise and Group II received IASTM with manual stretching exercise (two days per week for six weeks) (Figure 1). The pain level was evaluated with a visual analogue scale (VAS) and the active range of motion (ROM) was measured with a universal goniometer. The Disabilities of the Arm, Shoulder and Hand score and the Constant-Murley score were used for functional assessment. The assessments were performed at baseline and after the 6-week intervention.Figure 1.Instrument-Assisted Soft Tissue MobilizationResults:Both groups had a significant decrease in pain according to VAS and a significant increase in ROM and function level (p<0.05). After the 6-week intervention, improvement of shoulder abduction ROM in Group I was found significantly higher than Group II (p=0.01), on the other hand, Constant-Murley score in Group II was found significantly higher compared to Group I (p=0,001).Conclusion:Our results supported the hypothesis that either joint mobilization or IASTM, performed in addition to stretching exercise, provided similar improvements in pain levels in patients with the frozen shoulder.References:[1]Kelley MJ, Shaffer MA, Kuhn JE, Michener LA, Seitz AL, Uhl TL, et al. Shoulder Pain and Mobility Deficits: Adhesive Capsulitis, J Orthop Sports Phys Ther, 2013:43:1-31.[2]Celik D, Kaya Mutlu E.Does AddingMobilization toStretchingImprove Outcomes for People with Frozen Shoulder? A Randomized Controlled Clinical Trial, Clin Rehab, 2016: 30(8): 786-794.[3]Iked N, Otsuka S, Kawanishi Y, Kawakami Y. Effects of Instrument-Assisted Soft Tissue Mobilization on Musculoskeletal Properties, Med Sci Sports Exerc, 2019:51(10): 2166-2172.Disclosure of Interests:None declared

scholarly journals IDIOPATHIC UNILATERAL FROZEN SHOULDER

2018 ◽  
Vol 25 (02) ◽  
Author(s):  
Kanwal Arshad ◽  
Farooq Islam ◽  
Sunaina Muneer
Keyword(s):  
Range Of Motion ◽  
Glenohumeral Joint ◽  
Adhesive Capsulitis ◽  
Frozen Shoulder ◽  
Systematic Sampling ◽  
Shoulder Abduction ◽  
P Value ◽  
Surgical Interventions ◽  
Group I ◽  
Group Ii

Introduction: Frozen shoulder or adhesive capsulitis is a condition affectingthe glenohumeral joint and leads to restricted painful shoulder. It is very debilitating. This notonly affects the activities of daily living of a person but job related chores too. The inflammationof the capsule of the glenohumeral joint causes pain and restriction of the motion. Adhesivecapsulitis can be characterized as primary or secondary. It can be secondary due to anyunderlying disease such as cervical spondylosis or diabetes mellitus. People affected seekdifferent treatment options for this debilitating condition such as taking non-steroidal antiinflammatorydrugs (NSAIDS), steroid injections, taking physical therapy and some even gofor surgical interventions. Objective: the objective of this research was to find out whetherKaltenborn mobilization technique alone improved the restricted shoulder abduction range ofmotion in better way or a combination of Kaltenborn mobilization and range of motion exerciseswas a better option. Study Design: randomized clinical trial (RCT). Setting: Fatima MemorialHospital (FMH) Shadman Lahore. Period: a period of 6 months. Material and Methods:Group I: Thirty patients participated in this group and were treated with Kaltenborn mobilizationtechnique along with range of motion exercises. Group II: The second group also consisted ofthirty patients and were treated with Kaltenborn mobilization technique without range of motionexercises. Sample Size: Sixty patients were included in the research by taking 30 patients ineach group. Systematic sampling was used in which all the odd ordered patients (1st, 3rd, 5th etc.)were included in group I while all the even ordered patients (2nd, 4th, 6th etc.) in group II. Results:For abduction the mean change was 29.33±10.65 in combination while for kaltenborn alone themean change was 12.30±4.06. The values obtained for shoulder abduction were significantlyhigher in Kaltenborn + ROM group, p-value < 0.05. Conclusion: A combination of Kaltenbornmobilization along with range of motion exercises showed better results in improving shoulderabduction range of motion.

scholarly journals L-Shaped Arthroscopic Posterior Capsular Release in Frozen Shoulder

2021 ◽  
Vol 1 (2) ◽  
pp. 263502542110000
Author(s):  
Mohamed Gamal Morsy ◽  
Ahmed Hassan Waly ◽  
Mostafa Ashraf Galal ◽  
El Hussein Mohamed Ayman ◽  
Hisham Mohamed Gawish
Keyword(s):  
Radiofrequency Ablation ◽  
Range Of Motion ◽  
Internal Rotation ◽  
Frozen Shoulder ◽  
Axillary Nerve ◽  
Posterior Capsule ◽  
Loss Of Function ◽  
Shoulder Stiffness ◽  
Capsular Release ◽  
Infraspinatus Muscle

Background: The inadequate arthroscopic release of the tight posterior capsule in frozen shoulder may result in limited postoperative shoulder internal rotation. Indication: The purpose of this article is to describe an L-shaped arthroscopic posterior capsular release to overcome the limited internal rotation that may be encountered following the standard longitudinal technique. Operative intervention is indicated in patients with refractory shoulder stiffness with limitation of internal rotation of grade 0, +2, +4 (according to the Constant-Murley Score), after failure of conservative measures for 3 to 6 months. The technique is contraindicated if less than 3 months of physical therapy, shoulder stiffness due to osseous deformity, infection, or cuff tear arthropathy. Technique: After performing a standard anterior capsular release, the scope is shifted to the anterior portal to perform posterior capsular release by introducing the radiofrequency ablation device through the posterior portal. Posterior release begins from the glenoid level down to the 6 o’clock position until the back fibers of the infraspinatus muscle appear. Then the hook-tip part of the radiofrequency ablation device is used to perform a transverse release in the posterior capsule, starting from the beginning of the longitudinal limb. The transverse limb is performed in a stepwise manner going step-by-step laterally but ending before reaching the rotator cuff to avoid any damage of the cuff. After that, the shoulder was manipulated according to Codman technique. Results: A comparative study was performed on 43 patients with primary frozen shoulder to compare the standard longitudinal (22 patients) and L-shaped (21 patients) posterior capsular release. At the final follow-up, there was a statistically significant improvement in the internal rotation range of motion in the L-shaped group ( P < .001). There was no loss of function over time. Moreover, there were no infections, instability, or axillary nerve injury in either group. Discussion/Conclusion: Restriction of internal rotation in frozen shoulder has been attributed to posterior capsular tightness. The L-shaped arthroscopic posterior capsular release in patients with primary frozen shoulder significantly improves the postoperative internal rotation range of motion.

Frozen Shoulder und Schulter-Hand-Syndrom bei Diabetes mellitus

2008 ◽  
Vol 28 (04) ◽  
pp. 210-212
Author(s):  
R. Schiel
Keyword(s):  
Diabetes Mellitus ◽  
Frozen Shoulder ◽  
Antiinflammatorische Medikamente

Zusammenfassung„Frozen Shoulder” wird ausgelöst durch Degenerationen des Sehnen- und Bandapparates oder Kapselschrumpfung des Schultergelenks. Es resultiert eingeschränkte Beweglichkeit mit intraartikulären Kontrakturen und Kontrakturen der Muskel-Sehnen-Einheiten oder extraartikulären Adhäsionen. Gelegentlich ist der Verlauf assoziiert mit entzünd-lichen Veränderungen, Schmerzen und einem Schulter-Hand-Syndrom. Bei Patienten mit Langzeit-Diabetes treten „Frozen Shoulder” oder Schulter-Hand-Syndrom gehäuft und früher auf. Ursache sind Alterationen der kollagenen Bindegewebsstrukturen. Bei akuter Schmerzsymptomatik werden antiinflammatorische Medikamente, z.T. auch in-traartikuläre Applikationen von Kortikosteroiden, empfohlen. Es soll Schmerzlinderung erfolgen, Bewegungsfähigkeit hergestellt und Physiotherapie angewendet werden. Weiterhin werden intraartikuläre Glukokortikoidinjektionen, Gelenkkapseldistensionen und bei refraktären Be-schwerden Injektionen in subakromiale Schleimbeutel an-gewandt. Eine relativ neue Therapieoption, zu der erste Da-ten publiziert wurden, stellt die Gabe von Triamcinolonace-tat dar.

Comparative Study of effectiveness of mobilization with movement (MWM) and End range mobilization (ERM) techniques in frozen shoulder

2018 ◽  
Vol 4 (4) ◽  
pp. 519-522
Author(s):  
Jeyakumar S ◽  
Jagatheesan Alagesan ◽  
T.S. Muthukumar
Keyword(s):  
Range Of Motion ◽  
Frozen Shoulder ◽  
Type I ◽  
Mean Values ◽  
Functional Activities ◽  
Group A ◽  
The Mean ◽  
Group B

Background: Frozen shoulder is disorder of the connective tissue that limits the normal Range of motion of the shoulder in diabetes, frozen shoulder is thought to be caused by changes to the collagen in the shoulder joint as a result of long term Hypoglycemia. Mobilization is a therapeutic movement of the joint. The goal is to restore normal joint motion and rhythm. The use of mobilization with movement for peripheral joints was developed by mulligan. This technique combines a sustained application of manual technique “gliding” force to the joint with concurrent physiologic motion of joint, either actively or passively. This study aims to find out the effects of mobilization with movement and end range mobilization in frozen shoulder in Type I diabetics. Materials and Methods: 30 subjects both male and female, suffering with shoulder pain and clinically diagnosed with frozen shoulder was recruited for the study and divided into two groups with 15 patients each based on convenient sampling method. Group A patients received mobilization with movement and Group B patients received end range mobilization for three weeks. The outcome measurements were SPADI, Functional hand to back scale, abduction range of motion using goniometer and VAS. Results: The mean values of all parameters showed significant differences in group A as compared to group B in terms of decreased pain, increased abduction range and other outcome measures. Conclusion: Based on the results it has been concluded that treating the type 1 diabetic patient with frozen shoulder, mobilization with movement exercise shows better results than end range mobilization in reducing pain and increase functional activities and mobility in frozen shoulder.

Effectiveness of arthroscopic management of idiopathic shoulder stiffness: A meta-analysis

2021 ◽  
pp. 1-8
Author(s):  
Ya-Dong Wang ◽  
Yu-Xiang Ming ◽  
Yong-Hua Pang ◽  
Wei-Nan Chen ◽  
Xu-Hua Zong ◽  
...  
Keyword(s):  
Range Of Motion ◽  
External Rotation ◽  
Meta Analysis ◽  
Eligibility Criteria ◽  
Shoulder Stiffness ◽  
Capsular Release ◽  
Shoulder Range Of Motion ◽  
Arthroscopic Capsular Release ◽  
Shoulder Range

BACKGROUND: Persisting shoulder stiffness adversely affects quality of life by causing pain and motion restrictions especially in patients with diabetes. OBJECTIVE: The aim of this study was to evaluate the outcomes of arthroscopic capsular release in patients with idiopathic shoulder stiffness. METHOD: A literature search was conducted in electronic databases and studies were selected by following precise eligibility criteria. Random-effects meta-analyses were performed to estimate the changes at latest follow-up in scores of the Constant, American Shoulder and Elbow Surgeons (ASES), and University of California at Los Angelis (UCLA) scales, Visual Analogue Scale (VAS), and shoulder range of motion. RESULTS: Nineteen studies were included. The follow-up duration was 42 months [95% confidence interval (CI): 32, 51]. Improvements in scores of the Constant, ASES, UCLA scales, and VAS were 48.3 [95% CI: 38.0, 58.6], 44.6 [95% CI: 24.6, 64.6], 19.3 [95% CI: 16.6, 22.0], and -6.1 [95% CI: -6.9, -5.4] respectively (P< 0.05 all). Improvements in the shoulder range of motion were: abduction 82.0 [95% CI: 65.0, 98.9]; forward flexion 75.9 [95% CI: 59.7, 92.1]; external rotation 43.2 [95% CI: 37.5, 49.0]; and internal rotation 25.4 [95% CI: 15.2, 35.5] degrees; P< 0.05 all). CONCLUSION: Arthroscopic capsular release effectively improves shoulder function in patients with idiopathic shoulder stiffness.

scholarly journals Ultrasound evaluation of the fetal fat tissue, heart, liver and umbilical cord measurements in pregnancies complicated by gestational and type 1 diabetes mellitus: potential application in the fetal birth-weight estimation and prediction of the fetal macrosomia

2021 ◽  
Vol 13 (1) ◽  
Author(s):  
Paweł Jan Stanirowski ◽  
Agata Majewska ◽  
Michał Lipa ◽  
Dorota Bomba-Opoń ◽  
Mirosław Wielgoś
Keyword(s):  
Diabetes Mellitus ◽  
Type 1 Diabetes ◽  
Birth Weight ◽  
Soft Tissue ◽  
Type 1 Diabetes Mellitus ◽  
Umbilical Cord ◽  
Predictive Value ◽  
Fetal Macrosomia ◽  
Fetal Birth Weight

Abstract Background The aim of the study was to evaluate the ultrasound-derived measurements of the fetal soft-tissue, heart, liver and umbilical cord in pregnancies complicated by gestational (GDM) and type 1 diabetes mellitus (T1DM), and further to assess their applicability in the estimation of the fetal birth-weight and prediction of fetal macrosomia. Methods Measurements were obtained from diet-controlled GDM (GDMG1) (n = 40), insulin-controlled GDM (GDMG2) (n = 40), T1DM (n = 24) and healthy control (n = 40) patients. The following parameters were selected for analysis: fetal sub-scapular fat mass (SSFM), abdominal fat mass (AFM), mid-thigh fat/lean mass (MTFM/MTLM) and inter-ventricular septum (IVS) thicknesses, heart and thorax circumference and area (HeC/HeA; ThC/ThA), liver length (LL), umbilical cord/vein/arteries circumference and area (UmC/UmA; UvC/UvA; UaC/UaA) together with total umbilical vessels (UveA) and Wharton's jelly area (WjA). Regression models were created in order to assess the contribution of selected parameters to fetal birth-weight (FBW) and risk of fetal macrosomia. Results Measurements of the fetal SSFM, AFM, MTFM, MTFM/MTLM ratio, HeC, HeA, IVS, LL, UmC, UmA, UaC, UaA, UveA and WjA were significantly increased among patients with GDMG2/T1DM as compared to GDMG1 and/or control groups (p < .05). The regression analysis revealed that maternal height as well as fetal biparietal diameter, abdominal circumference (AC), AFM and LL measurements were independent predictors of the FBW (p < .05). In addition, increase in the fetal AFM, AC and femur length (FL) was associated with a significant risk of fetal macrosomia occurrence (p < .05). The equation developed for the FBW estimation [FBW(g) = − 2254,942 + 17,204 * FL (mm) + 105,531 * AC (cm) + 131,347 * AFM (mm)] provided significantly lower mean absolute percent error than standard formula in the sub-group of women with T1DM (5.7% vs 9.4%, p < .05). Moreover, new equation including AC, FL and AFM parameters yielded sensitivity of 93.8%, specificity 77.7%, positive predictive value 54.5% and negative predictive value of 97.8% in the prediction of fetal macrosomia. Conclusions Ultrasound measurements of the fetal soft tissue, heart, liver and umbilical cord are significantly increased among women with GDM treated with insulin and T1DM. In addition to standard biometric measurements, parameters, such as AFM, may find application in the management of diabetes-complicated pregnancies.

Prediction of Shoulder Stiffness After Arthroscopic Rotator Cuff Repair

2021 ◽  
pp. 036354652110289
Author(s):  
Laurent Audigé ◽  
Soheila Aghlmandi ◽  
Cécile Grobet ◽  
Thomas Stojanov ◽  
Andreas M. Müller ◽  
...  
Keyword(s):  
Rotator Cuff ◽  
Rotator Cuff Repair ◽  
Prognostic Model ◽  
Predictive Accuracy ◽  
Arthroscopic Rotator Cuff Repair ◽  
Shoulder Abduction ◽  
Related Factors ◽  
Shoulder Stiffness ◽  
Arthroscopic Rotator Cuff ◽  
Cuff Repair

Background: Postoperative shoulder stiffness (POSS) is a prevalent adverse event after arthroscopic rotator cuff repair (ARCR) that is associated with major limitations in everyday activities and prolonged rehabilitation. Purpose/Hypothesis: The purpose was to develop a predictive model for determining the risk of POSS within 6 months after primary ARCR. We hypothesized that sufficient discrimination ability of such a model could be achieved using a local institutional database. Study Design: Case-control study; Level of evidence, 3. Methods: Consecutive primary ARCRs documented in a local clinical registry between 2013 and 2017 were included, and patients who experienced POSS before the final clinical 6-month follow-up were identified. A total of 29 prognostic factor candidates were considered, including patient-related factors (n = 7), disease-related factors (n = 9), rotator cuff integrity factors (n = 6), and operative details (n = 7). We used imputed data for the primary analysis, and a sensitivity analysis was conducted using complete case data. Logistic regression was applied to develop a model based on clinical relevance and statistical criteria. To avoid overfitting in the multivariable model, highly correlated predictors were not included together in any model. A final prognostic model with a maximum of 8 prognostic factors was considered. The model’s predictive accuracy was assessed by the area under the receiver operating characteristic curve (AUC). Internal validation was performed using bootstrapping. Results: Of 1330 ARCR cases (N = 1330 patients), 112 (8.4%) patients had POSS. Our final model had a moderate predictive ability with an AUC of 0.67. The predicted risks of POSS ranged from 2.3% to 38.9% and were significantly higher in women; patients with partial tears, low baseline passive shoulder abduction, and lack of tendon degeneration; and when no acromioplasty was performed. Conclusion: A prognostic model for POSS was developed for patients with ARCR, offering a personalized risk evaluation to support the future decision process for surgery and rehabilitation.

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