Complications
Loss of the normal humeral head depressing function and force-couple of the rotator cuff results in superior migration of the humeral head with eccentric superior loading of the glenoid cartilage and progressive arthritis of the glenohumeral joint.
This is the most common complication associated with repair of the rotator cuff. The re-tear rate has been found to be 15% within 3 months after surgery, 16% at 6-12 months follow-up, and 21% at 12-24 months follow-up.[105] However, failure of tendon healing may not necessarily correlate with poor outcome or reduced patient satisfaction.[99][100]
Postoperative septic arthritis is an uncommon complication following arthroscopic surgery with an estimated overall incidence of less than 1%.[106]
Postoperative stiffness can occur with massive chronic tears as a result of injury or failure to move the shoulder (prolonged immobilisation) post-surgery. This complication is more common in patients with diabetes, thyroid disorder, or autoimmune disease.[107]
Initial management consists of physiotherapy for joint mobilisation and capsular stretching. Treatment often requires surgery, usually in the form of arthroscopic capsular release in order to ensure that repair integrity is not compromised.
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