Degenerative subscapularis tear rotator cuff tendon tear
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients diagnosed with a degenerative subscapularis tear (i.e. involvement of the supraspinatus and subscapularis) based on clinical examination (i.e. positive lift-off or belly press test) and confirmed by Magnetic Resonance Arthrography (MRA), who are planned to undergo an open subscapularis tendon repair. Patients are also included in case of additional infraspinatus involvement (i.e. not a reason to exclude a patient).
Exclusion criteria
Exclusion criteria: - Younger than 18 years of age - Isolated subscapularis tears (e.g. traumatic) - Teres minor tear - Radiographic osteoarthritis of the glenohumeral joint of Kellgren Lawrence > grade 2 and/or acromioclavicular joint and/or sternoclavicular joint - History of fractures or dislocations of the shoulder - Contraindications for surgery - Tumours - Insufficient Dutch language skills - No informed consent - Electronic implants (e.g. ICD, pacemakers)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1) muscle activation assessed with electromyography and expressed as activation ratios of the deltoid muscle, latissimus dorsi, pectoralis major and teres major, | — |
Secondary
| Measure | Time frame |
|---|---|
| 2) external rotation in 90 * humeral elevation in the coronal plane with elbow flexed in 90 * (electromagnetic tracking device), 3) clinical outcome (medical history, clinical examination, VAS (pain), CS, WORC, SF-12, three anchor questions, RC-muscle quality MRA). | — |
Countries
Netherlands