Comparison of Two Methods of Subscapularis Management in Shoulder Arthroplasty: Tenotomy Versus Peel: A Multicenter, Randomized Controlled
Comparison of Two Methods of Subscapularis Management in Shoulder Arthroplasty: Tenotomy Versus Peel: A Multicenter, Randomized Controlled
What is the difference in subscapularis strength between two different methods of subscapularis mobilization: incision of the tendon (tenotomy) versus peel.
It is the investigators' hypothesis that a peel of the subscapularis will result in greater strength, a higher healing rate, and a greater improvement in shoulder function and quality of life following shoulder replacement.
The primary research question is to determine the difference in subscapularis strength between two different methods of subscapularis mobilization in shoulder arthroplasty: intra-substance division of the tendon "tenotomy" versus direct detachment of the subscapularis tendon from its insertion on the lesser tuberosity "the peel". The primary outcome is strength as measured by a hand-held dynamometer in the belly-press position at one-year post operative. Secondary research questions include determination of the difference in disease specific quality of life between patients who undergo a subscapularis tenotomy versus subscapularis peel, as measured by the Western Ontario Osteoarthritis of the Shoulder Index (WOOS), Constant score and the ASES score at one year post-operatively. Finally, the healing rate of the subscapularis, as measured by ultrasound at 1 year post-operative will be determined.
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