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Dev Med Child Neurol. 2007 Mar;49(3):204-9.

Long-term follow-up of children with obstetric brachial plexus palsy II: neurophysiological aspects.

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Department of Woman and Child Health, Neuropaediatric Unit, Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden.


The aim of this study was to examine long-term neurophysiological outcomes and sensory function in patients with obstetric brachial plexus palsy (OBPP). The same 70 children/adolescents examined in part I: functional aspects (35 males, 35 females; age range 7-20y, mean 13y 6mo [SD 4y 3mo], median 13y) were examined with neurophysiological methods at 3 to 7 months and at 7 to 20 years of age. Thirteen of the 70 participants underwent nerve reconstruction before 1 year of age. Electromyography (EMG) was performed on deltoid and first interossei muscles; Quantitative Sensory Test was used for C6 and C8 dermatomes. Tests for functional sensibility and 2-point discrimination for C6 and C8 were performed. This study shows that considerable EMG changes can be observed in OBBP, even in those fully recovered. EMG changes in the deltoid were shown to deteriorate over time, and sensibility is considerably less affected than motor function.

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