Split pectoralis major transfer for serratus anterior palsy

Patrick M. Connor, Ken Yamaguchi, Stephen G. Manifold, Roger G. Pollock, Evan L. Flatow, Louis U. Bigliani

Research output: Contribution to journalArticlepeer-review

79 Scopus citations

Abstract

The results of split pectoralis major tendon transfer (sternal head) for symptomatic scapular winging because of palsy of the serratus anterior muscle were reviewed. Eleven consecutive patients, whose average age was 34 years, had a duration of preoperative symptoms ranging from 12 to 60 months. Ten patients had electromyograms documenting a long thoracic nerve injury. Using an inferior axillary incision, the tendon of the sternal head of the pectoralis major is mobilized and transferred to the inferior angle of the scapula. The tendon transfer is reinforced with autogenous fascia lata. After surgery, a scapulothoracic orthosis is worn for 6 weeks, and restriction of vigorous activities is recommended for 6 months. At an average followup of 41 months, 10 of 11 (91%) patients had satisfactory results with significant improvement in function and reduction of pain. Each of these 10 patients had improved scapular tracking with no scapular winging or mild, dynamic winging at latest followup. One patient had an unsatisfactory result with a full recurrence of scapular winging secondary to noncompliance with the postoperative physical therapy regimen. The split pectoralis major tendon transfer provides a reasonable substitute for a paralyzed serratus anterior muscle in scapular stabilization. Strict adherence to technical principles and postoperative rehabilitation reliably leads to satisfactory clinical results.

Original languageEnglish
Pages (from-to)134-142
Number of pages9
JournalClinical orthopaedics and related research
Issue number341
StatePublished - Aug 1997
Externally publishedYes

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