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Anesth Analg 2005;101:1012-1014
© 2005 International Anesthesia Research Society
doi: 10.1213/01.ane.0000168448.05964.06

AMBULATORY ANESTHESIA

Sub-Tenon’s Anesthetic Administration for Cataract Surgery: How Much Stays In?

Niall Patton, MRCOphth, Tahira Y. Malik, FRCOphth, and Tariq M. Aslam, DM

Department of Ophthalmology, Princess Margaret Hospital, Dunfermline, Fife, United Kingdom

Address correspondence and reprint requests to Niall Patton, Department of Ophthalmology, Sir Charles Gairdner Hospital, Nedlands, WA 6009, Australia. Address e-mail to niallpatton{at}yahoo.co.uk.

We performed a prospective, randomized trial assessing the "remaining" volume of anesthetic solution that stays within the sub-Tenon’s space after administration of 2 different volumes: 3 mL and 5 mL. The remaining volume correlated with motor block (r = 0.72; P < 0.001). The volume lost through the incision as a percentage of total volume injected was similar in both groups, suggesting sub-Tenon’s space is not limited to a finite injected volume less than 5 mL and may be capable of receiving larger volumes of anesthetic to improve motor block.






Lippincott, Williams & Wilkins Anesthesia & Analgesia® is published for the International Anesthesia Research Society® by Lippincott Williams & Wilkins with the assistance of Stanford University Libraries' HighWire Press®. Copyright 2006 by the International Anesthesia Research Society. Online ISSN: 1526-7598   Print ISSN: 0003-2999 HighWire Press
Copyright © 2005 by the International Anesthesia Research Society.