Dataset Information

Clinical Implication of Glenohumeral and Subacromial Synovitis in Rotator Cuff Tears.

ABSTRACT:

Background

Synovitis of the glenohumeral (GH) joint and the subacromial (SA) space is commonly observed during arthroscopic rotator cuff surgery.

Purpose

To investigate the distribution, severity, and clinical implications of synovitis in the GH joint and SA space in patients with a full-thickness rotator cuff tear (RCT).

Study design

Case series; Level of evidence, 4.

Methods

Data were retrospectively collected from 207 patients with a full-thickness RCT who underwent arthroscopic repair. Preoperative parameters used in the clinical assessment included pain, range of motion (ROM), muscle strength, and functional scores. Macroscopic assessment of synovitis was performed intraoperatively in the 3 regions of interest (ROIs) of the GH joint and 4 ROIS of the SA space using an evaluation system. The distribution and severity of synovitis and the association between synovitis and clinical assessment were evaluated.

Results

Synovitis was more severe in the GH joint than in the SA space (P < .001). Synovitis in the posterior GH joint and the lateral SA space, where most of the rotator cuff was located, was the most severe area among the ROIs of the GH joint and the SA space, respectively (P < .05). All types of pain, except for pain at rest, were associated with synovitis in the posterior GH joint (P < .05). All ROM measures were associated with synovitis in the posterior and inferior GH joint (|r| > 0.20; P < .05 for both). The strength of the supraspinatus and the infraspinatus was associated with synovitis in the posterior GH joint (P < .05). Shoulder function was associated with synovitis in the posterior and inferior GH joint and more in the posterior GH joint (P < .05 for both). Synovitis in the SA space was not associated with any of the clinical parameters.

Conclusion

Synovitis in the posterior GH joint was the most severe form of synovitis in the GH joint in patients with a full-thickness RCT. Synovitis in the posterior GH joint was closely associated with increased pain and decreased ROM, muscle strength, and functional score. Synovitis in the SA space was milder and not associated with any clinical parameters.

SUBMITTER: Gimm G

PROVIDER: S-EPMC10687959 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature

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Publications

Clinical Implication of Glenohumeral and Subacromial Synovitis in Rotator Cuff Tears.

Gimm Geunwu G Yoon Jeong Yong JY Ahn Eunmi E Oh Sohee S Jo Chris Hyunchul CH

Orthopaedic journal of sports medicine 20231129 11

<h4>Background</h4>Synovitis of the glenohumeral (GH) joint and the subacromial (SA) space is commonly observed during arthroscopic rotator cuff surgery.<h4>Purpose</h4>To investigate the distribution, severity, and clinical implications of synovitis in the GH joint and SA space in patients with a full-thickness rotator cuff tear (RCT).<h4>Study design</h4>Case series; Level of evidence, 4.<h4>Methods</h4>Data were retrospectively collected from 207 patients with a full-thickness RCT who underwe ...[more]

PMID: 38035213

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Project description:BackgroundRotator cuff tears are a common shoulder injury, but they sometimes remain undiagnosed, as symptoms can be limited. Altered shoulder biomechanics can lead to secondary damage and degeneration. In biomechanical analyses, the shoulder (ie, the glenohumeral joint) is normally idealized as a ball-and-socket joint, even though a translation is often observed clinically. To date, no conclusive changes in glenohumeral translation have been reported in patients with rotator cuff tears, and it is unknown how an additional handheld weight that is comparable to those used during daily activities will affect glenohumeral translations in patients with rotator cuff tears.ObjectiveThis study aims to assess the load-induced glenohumeral translation (liTr) in patients with rotator cuff tears and its association with the load-induced changes in muscle activation (liMA).MethodsPatients and asymptomatic controls will be recruited. Participants will fill out health questionnaires and perform 30° arm abduction and adduction trials, during which they will hold different handheld weights of a maximum of 4 kg while motion capture and electromyographic data are collected. In addition, fluoroscopic images of the shoulders will be taken for the same movements. Isometric shoulder muscle strength for abduction and rotation will be assessed with a dynamometer. Finally, shoulder magnetic resonance images will be acquired to assess muscle status and injury presence. The dose-response relationship between additional weight, liTr, and liMA will be evaluated.ResultsRecruitment and data collection began in May 2021, and they will last until the recruitment target is achieved. Data collection is expected to be completed by the end of 2022. As of November 2022, data processing and analysis are in progress, and the first results are expected to be submitted for publication in 2023.ConclusionsThis study will aid our understanding of biological variations in liTr, the influence of disease pathology on liTr, the potential compensation of rotator cuff tears by muscle activation and size, and the association between liTr and patient outcomes. The outcomes will be relevant for diagnosis, treatment, and rehabilitation planning in patients with rotator cuff tears.Trial registrationClinicalTrials.gov NCT04819724; https://clinicaltrials.gov/ct2/show/NCT04819724.International registered report identifier (irrid)DERR1-10.2196/43769.

Project description:AimThe objective of this prospective non-randomized study was to establish the role of biodegradable sub-acromial spacer (InSpace™) insertion in the management of patients with massive irreparable rotator cuff tear by reporting beneficial effects on the pain relief and functional outcomes in these patients.MethodsThis is a prospective non-randomized study of patients treated for irreparable cuff tears during a period between January 2014 and November 2016.14 patients with symptomatic massive irreparable rotator cuff tears were managed with arthroscopic debridement and implantation of a biodegradable subacromial spacer and were followed up for at least one year (8-16 m). Inclusion criteria were patients with irreparable rotator cuff tears that failed the conservative management, with muscle retraction (Patte > stage 2), muscle atrophy, and fatty infiltration (Goutalier type 3). Patients with osteoarthritis grade 3 in the Hamada classification and/or without preserved passive motion were excluded from our study. Outcome measures included pre and postoperative, the range of motion, Constant and Oxford shoulder scores. The decision to perform surgery was made after failure of nonoperative treatment and rehabilitation (massive rotator cuff tear protocol, reading shoulder unit)for at least six months.ResultsFourteen shoulders (14 patients, ten male four female) met the inclusion criteria. The mean age of patients was 76.2 (70-85) years. During the last follow-up (8-16 months mean 12.6 months), the range of motion was significantly increased in all patients with anterior elevation (from 80 to 105°), abduction (from 70 to 110°), and external rotation (from 25 to 35°). The mean Constant score was also significantly (P < 0.001) improved from 22.5 (13-33) preoperatively to 51.4 (30-64) at the last follow-up. The Oxford shoulder score improved from 26 preoperatively (21-28) to 48.2 postoperatively (34-56). No night pain following surgery and ADL increased by 40%, which is significant in these patients. No significant perioperative complications were found except for one patient who had a spacer migration. However, no action was required in that case.ConclusionsArthroscopic implantation of a subacromial spacer for irreparable rotator cuff tear resulted in a noticeable improvement in pain relief and shoulder function at a mean 12.6 months follow up. It is a quick, safe and a minimally invasive procedure that is suitable for elderly patients with irreparable cuff tears and medical co-morbidities.

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Dataset Information

Clinical Implication of Glenohumeral and Subacromial Synovitis in Rotator Cuff Tears.

Background

Purpose

Study design

Methods

Results

Conclusion

Publications

Clinical Implication of Glenohumeral and Subacromial Synovitis in Rotator Cuff Tears.

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