• M C Munin, G R Balu, M J Giuliani, and S K Hegde.
• Division of Physical Medicine and Rehabilitation, University of Pittsburgh Medical Center, Pennsylvania, USA.
• Am J Phys Med Rehabil. 1995 Sep 1; 74 (5): 375-9.

AbstractVecuronium bromide (Norcuron, Organon, Inc., West Orange, NJ) is a common neuromuscular blocking agent used to facilitate mechanical ventilation. Cases have been reported in which prolonged use of vecuronium resulted in severe motor neuropathy, with or without myopathy. However, the time course of recovery, the functional prognosis, and the use of inpatient rehabilitation is not well-established. We are reporting the functional recovery of two cases with the diagnosis of severe vecuronium motor neuropathy and/or myopathy. The patients presented with pneumonia and meningococcemia, respectively, and received vecuronium during ventilatory support, which lead to quadriparesis. In one patient, vecuronium toxicity occurred while neuromuscular junction monitoring was in place. Significant improvement was noted during an average of 3 to 4 wk in a comprehensive inpatient rehabilitation program, documented by the improvement in total motor Functional Independence Measure scores for patient 1 (from 15 to 71) and for patient 2 (from 65 to 84). In addition, the distal compound motor amplitudes showed a 4-fold increase for the ulnar, a 7-fold increase for the median, an 11-fold increase for the peroneal, and a 3-fold increase for the tibial nerves on follow-up nerve conduction studies correlating with neurologic recovery. In summary, even when patients present with quadriparesis, the recovery after vecuronium toxicity appears to be favorable.

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