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John T. Killian, MD, Orthopaedic
Specialists of Alabama, Pediatric Orthopaedics, Birmingham,
AL
Incomplete recovery from Erb's
palsy may result in limited glenhumeral external rotation
and abduction along with posterior subluxation. Twenty patients
were followed for their recovery from and Erb's birth palsy.
All were involved in an occupational therapy program. Six
patients developed a progressive posterior subluxation of
the affected shoulder with an internal rotation contracture
of 40-60 degrees. Three patients plateaued with a residual
active shoulder abduction of 45-60 degrees and internal rotation
contracture of more than 35 degrees. Nine patients underwent
exam under anesthesia, lengthening of the pectoralis major
and transfer of the conjoined tendon of the latissimus-teres
to the posterior shoulder should capsule via an axcillary
incision. No patient required a shoulder arthrotomy or subscapularis
muscle lengthening to gain passive external rotation of the
shoulder intra-operatively. Post operatively, all patients
were in a "Statue of Liberty" shoulder spica for
six weeks. Out patient therapy continued for 4-12 months post
operatively. At follow-up, shoulders were rated for range
of motion and congruency of reduction.
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