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Nonsynergistic action of the transferred muscle
6%
142/2411
Fatty atrophy of the supraspinatus and infraspinatus
49%
1173/2411
Deficiency of the subscapularis
7%
178/2411
Absence of the coracoacromial ligament
32%
772/2411
Deltoid weakness
135/2411
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A latissimus dorsi tendon transfer can be utilized in patients with a massive, irreperable rotator cuff tear involving the supraspinatus and infraspinatus. It has been reported to relieve pain and improve function in a carefully selected patient population. Those patients with deficiency of the deltoid or subscapularis, nonsynergistic muscle action after transfer, or fatty infiltration of the posterosuperior cuff have worse clinical outcomes. Absence of the CA ligament may allow anterosuperior escape in RC deficient shoulders but has not been shown to lead to worse outcomes after a tendon transfer. The paper by Warner, et. al demonstrated that poor tendon quality, stage 3/4 muscle fatty degeneration, and detachment of the deltoid insertion each had a statistically significant effect on the Constant score noting that salvage reconstruction of a previous cuff repair had more limited gains as compared to primary. The reference by Ianotti, et. al showed that synchronous in-phase contraction of the transferred latissimus dorsi is associated with a better clinical result while improved preoperative shoulder function and general strength also positively influence the clinical result.
1.6
(138)
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