Arthroscopic suture bridge repair of full-thickness rotator cuff tears led to a relatively high rate of recurrent defects. However, the mean 25-month follow-up demonstrated excellent pain relief and improvement in the ability to perform the activities of daily living, despite the structural failures. The factors affecting tendon healing were the patient's age, the size and extent of the tear, and the presence of fatty degeneration in the rotator cuff muscle. The retear in cases with a suture bridge technique tended to be more frequently at the musculotendinous junction.
The suture bridge technique tended to better preserve the cuff tissue repaired to the insertion site of the rotator cuff than a single-row technique did; the retear in cases with a suture bridge technique was mainly in the musculotendinous junction. Direct retear at the footprint of the rotator cuff increased with severity of fatty degeneration or muscle atrophy in cases with a suture bridge technique.
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