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Anesth Analg 1985; 64:1113-1116
© 1985 International Anesthesia Research Society
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Intracranial Pressure after Atracurium in Neurosurgical Patients

Michael D. Minton, MD, Joseph A. Stirt, MD, Robert F. Bedford, MD, and Charles Haworth, MD

Departments of Anesthesiology and Neurological Surgery, University of Virginia Medical Center, Char-lottesville, Virginia.

Abstract

In order to investigate the usefulness of atracurium for neurosurgical anesthesia, we studied its impact on intracranial pressure (subarachnoid bolt) mean arterial pressure (radial artery catheter) and cerebral perfusion pressure (mean arterial pressure-intracranial pressure) in 20 patients undergoing elective craniotomy for brain tumor excision. General anesthesia was induced with thiopental, 4 mg/kg intravenously, and maintained with 70 percent nitrous oxide in oxygen. Ventilation was controlled by face mask, with end-tidal CO2 held constant. Once intracranial pressure and mean arterial pressure had stabilized, the response to atracurium, 0.5 nig/kg intravenously, was continuously recorded for 5 min in 10 patients. An additional 10 patients received no atracurium and served as matched controls. Thiopental caused reductions in ICP in both groups of patients. Comparing the responses of the patients who received atracurium with those who did not, we found that atracurium had no significant effect on intracranial pressure, mean arterial pressure or cerebral perfusion pressure. Based on these data we conclude that atracurium appears to be preferable to the other available neuromuscular blocking agents that have been evaluated for neurosurgical anesthesia.

Key Words: ANESTHESIA—neurosurgical • NEUROMUSCULAR RELAXANTS—atracurium • BRAIN—intracranial pressure
Lippincott, Williams & Wilkins Anesthesia & Analgesia® is published for the International Anesthesia Research Society® by Lippincott Williams & Wilkins and Stanford University Libraries' HighWire Press®. Copyright 1985 by the International Anesthesia Research Society. Online ISSN: 1526-7598   Print ISSN: 0003-2999 HighWire Press
Copyright © 1985 by the International Anesthesia Research Society.