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General Orthopaedics

BICEPS LONG TENDON: PAIN GENERATOR REQUIRING TENODESIS IN TSA – AFFIRMS

Current Concepts in Joint Replacement (CCJR) Spring 2016



Abstract

Total shoulder arthroplasty is becoming increasingly common. A biceps tenodesis or tenotomy has become a routine part of the operation. There are several advantages to a tenodesis or tenotomy. First, the long head of the biceps tendon is routinely pathologic. One study has shown that there are differences in gene expression and mechanical properties in the long head of the biceps tendon in the setting of glenohumeral joint arthritis. Clinically, we often see inflammation, tearing, adhesions, or other pathology. Second, it is largely accepted that the long head of the biceps tendon has minimal function at the shoulder. The biceps muscle primarily functions at the elbow. Therefore, there is little downside to performing a tenodesis if there is a chance of it generating pain after surgery. Another major reason to perform a tenodesis or a tenotomy is that the technique of total shoulder arthroplasty requires a subscapularis takedown or lesser tuberosity osteotomy. The ligaments and tendon associated with the subscapularis contribute to the stability of the biceps tendon and after subscapularis takedown, it is unlikely that the tendon would remain reduced in the groove. In addition, it is part of a technique to incise and release the rotator interval, additionally creating scarring and/or instability associated with the biceps tendon. Given those reasons, this is a very common and reasonable routine part of the procedure of total shoulder arthroplasty.