RESTORATION OF GLENOHUMERAL MOTION IN ERB’S PALSY BY TENDON TRANSFERS

Syed Kamran Ahmed, Pervaiz Mehmood Hashmi

Abstract


Background: Children with erb’s palsy have significant functional disability, mainly related to
the shoulder. The objective of this study was to analyze the functional outcome of tendon transfers
performed for restoration of shoulder motion in patients with Erb’s palsy. Methods: This
descriptive case series was conducted at Aga Khan University Hospital from May 1999 to
December 2003. Ten patients who had functional deficit of shoulder elevation were operated by a
single surgeon.. The surgical procedure; modified Sever L’Episcopo procedure was uniform in all
cases. The data was collected through patient interviewing and medical records maintained
through Health Information Management System (HIMS). Mallet class was recorded
preoperatively and postoperatively. Results: Ten patients; seven females (70%) and three males
(30%), with average age of 75 months at operation were included in this series. Right shoulder
was affected in seven cases (70%) while left in three cases (30%). Preoperative mallet class for
global abduction improved from 3 to 4; for global external rotation from 2 to 4 and for ability to
bring the hand to mouth and neck from 1 to 3. Post operatively mallet class improved in all aspects
to 4 and 5; statistically significant on paired t-test with p value of less than 0.005. There was a
significant improvement in abduction, forward flexion and external rotation as compared to
preoperative values; statistically significant on paired t-test with p value of less than 0.005.
Conclusion: Tendon transfer improves the functional status of shoulder in late cases of Erb’s
Palsy with significant improvement in mallet class, cosmesis and patient satisfaction. A motivated
patient, compliance and aggressive rehabilitation are important outcome parameters.
Keywords: Erb’s palsy, Modified Sever L’Episcopo procedure, Mallet class, Putti sign

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