Early prognostic assessment of obstetrical brachial plexopathies (OBP) would f acilitate rational selection of infants for brachial plexus surgery. We performe d bilateral motor nerve conduction studies (MNCS) of axil...Early prognostic assessment of obstetrical brachial plexopathies (OBP) would f acilitate rational selection of infants for brachial plexus surgery. We performe d bilateral motor nerve conduction studies (MNCS) of axillary, musculocutaneous, radial, median, and ulnar nerves in 33 babies (age 10 60 days) with OBP in ord er to compare the amplitude of compound muscle action potentials (CMAPs). All ba bies were followed up until 6 months of age and the outcome was classified according to muscle strength and arm function. A CMAP a mplitude reduction of more than 90%, compared to the unaffected side, predicted severe weakness of the corresponding root level (p < .0.01). Our results indica te that MNCS are a useful tool for very early prognostic assessment of OBP.展开更多
文摘Early prognostic assessment of obstetrical brachial plexopathies (OBP) would f acilitate rational selection of infants for brachial plexus surgery. We performe d bilateral motor nerve conduction studies (MNCS) of axillary, musculocutaneous, radial, median, and ulnar nerves in 33 babies (age 10 60 days) with OBP in ord er to compare the amplitude of compound muscle action potentials (CMAPs). All ba bies were followed up until 6 months of age and the outcome was classified according to muscle strength and arm function. A CMAP a mplitude reduction of more than 90%, compared to the unaffected side, predicted severe weakness of the corresponding root level (p < .0.01). Our results indica te that MNCS are a useful tool for very early prognostic assessment of OBP.
