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Anesth Analg 2006;102:1252-1254
© 2006 International Anesthesia Research Society
doi: 10.1213/01.ane.0000198341.53062.a2

REGIONAL ANESTHESIA

Supraclavicular Block in the Obese Population: An Analysis of 2020 Blocks

Carlo D. Franco, MD*{dagger}, Feodor J. Gloss, DO*, Gennadiy Voronov, MD*, Serge G. Tyler, MD*, and Ljuba S. Stojiljkovic, MD, PhD*

*Department of Anesthesiology and Pain Management JHS Hospital of Cook County; and {dagger}Department of Anesthesiology Rush University Medical Center, Chicago, Illinois

Address correspondence and reprint requests to Carlo D. Franco, MD, Department of Anesthesiology and Pain Medicine, JHS Hospital of Cook County, 1901 West Harrison St., Suite 5670, Chicago, IL 60612. Address e-mail to carlofra{at}aol.com.

Regional anesthesia in the obese patient can be challenging and possibly carries a greater failure rate as compared with that in the non-obese patient. We retrospectively reviewed our prospectively gathered peripheral block data to determine the influence of body weight on success rate of the supraclavicular block. Obesity was defined as body mass index ≥30. The overall success rate was 97.3% in nonobese and 94.3% in obese patients (P < 0.01). Residents completed 80% of the blocks in nonobese patients and 73% in obese patients (P < 0.01). No difference in acute complications was observed. Obesity is associated with a slight decrease in success rate of supraclavicular block and an increase in its relative difficulty without apparent effect on acute complications.






Lippincott, Williams & Wilkins Anesthesia & Analgesia® is published for the International Anesthesia Research Society® by Lippincott Williams & Wilkins and Stanford University Libraries' HighWire Press®. Copyright 2006 by the International Anesthesia Research Society. Online ISSN: 1526-7598   Print ISSN: 0003-2999 HighWire Press
Copyright © 2006 by the International Anesthesia Research Society.