Rush University Medical Center
Publishes on Anesthesia and Pain Management, Nerve Injury and Rehabilitation, Spine and Intervertebral Disc Pathology. 27 papers and 1.3k citations.
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Department of Anesthesiology, Abraham Lincoln School of Medicine, University of Illinois at the Medical Center, Chicago, Illinois 60612. Read at the 47th Congress of the International Anesthesia Research Society, March 11–15, 1973, Bal Harbour, Florida.
A review of the anatomy of the cervical plexus and surrounding structures suggests a single-injection technic which simplifies anesthesia of the cervical plexus and increases the margin of safety in this procedure. Used by the authors, the technic has been successful in 97 percent of over 100 cases.
Department of Anesthesiology, Abraham Lincoln School of Medicine, University of Illinois at the Medical Center, Chicago, Illinois
We studied ketamine intravenous regional anesthesia of the upper extremity in volunteers using concentrations of 0.5%, 0.3%, and 0.2%. Ketamine 0.5 and 0.3% produced adequate intravenous regional anesthesia. Anesthesia was inadequate when a 0.2% concentration was used. However, although the 0.3% concentration provides complete sympathetic, sensory, and motor blockade when injected into the isolated extremity, unpleasant psychotomimetic effects after the release of the tourniquet limit the usefulness of this use of ketamine. Ketamine cannot be recommended for intravenous regional anesthesia unless these unpleasant side effects are abolished or controlled by means of pharmacologic adjuvants.