The effect of reversed shoulder arthroplasty (RSA) on deltoid muscle degeneration - a histological study

Not Applicable

• Conditions: DEFECTIVE ARTHROPATHY; M75.1; Rotator cuff syndrome

• Registration Number: DRKS00015778
• Lead Sponsor: Zentrum für Muskuloskeletale Chirurgie, Klinik für Orthopädie, Klinik für Unfall- und Wiederherstellungschirurgie, Charité Campus Charité Mitte

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Completion: 2013-04-12
• Study Start: 2018-10-22
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Complete
• Sex: All
• Target Recruitment: 18

Inclusion Criteria

Cuff tear arthropathy classified more than grade 2 according to the Hamada classification
- conservative treatment of a minimum of 6 months and additionally limited active range of motion (abduction and flexion less than 90°)
- availability of the complete data of the CS (Constant Scores), DASH score as well as complete histological analysis of intra- and 12 months postoperative deltoid muscle biopsies

Exclusion Criteria

- incomplete data
- patients younger than 65 years
- relevant glenoid bone loss
- post-traumatic conditions
- prior open surgery using a delta split approach

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
mean deltoid muscle fibre area after 12 months

Secondary Outcome Measures

Name	Time	Method
12 months follow up, functional outcome after reversed shoulder arthroplasty