ABSTRACT
Stability of the shoulder joint and restoration of abduction are important following
obstetrical brachial plexus paralysis, as more distal functions depend on having a
stable and functioning shoulder. Both deltoid and supraspinatus muscles are active
and play a significant role during arm abduction. Along with the suprascapular nerve
reinnervation, it is our policy to also neurotize the axillary nerve. The purpose
of this report is to present our experience of suprascapular nerve reconstruction
in cases of obstetrical brachial plexus palsy. Our overall results were good or excellent
in 96% of the patients for the supraspinatus muscle and 75% of the patients for the
infraspinatus muscle. Suprascapular nerve neurotization from distal spinal accessory
nerve produced similar results to those obtained after reconstruction from the C5
proximal stump. Early surgery (at less than 6 months of age) yielded significantly
better results than late surgery (at more than 6 months of age). When microsurgical
reconstruction of the brachial plexus is performed before the age of 3 months, it
is unlikely for the patient to need a secondary procedure for correction of results
obtained after nerve repair.
KEYWORDS
Obstetrical palsy - shoulder reanimation - suprascapular nerve
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Julia K TerzisM.D. Ph.D.
Microsurgical Research Center
P.O. Box 1980, 700 Olney Road, Norfolk, VA 23510