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Case Reports in Anesthesiology
Volume 2012 (2012), Article ID 125346, 3 pages
http://dx.doi.org/10.1155/2012/125346
Case Report

A Case of Horner's Syndrome following Ultrasound-Guided Infraclavicular Brachial Plexus Block

Departement of Anesthesia and Intensive Care Unit, Tunisian Military Hospital, 1002 Tunis, Tunisia

Received 13 June 2012; Accepted 7 August 2012

Academic Editors: I.-O. Lee and D. A. Story

Copyright © 2012 Trabelsi Walid et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Horner’s syndrome results from paralysis of the ipsilateral sympathetic cervical chain (stellate ganglion) caused by surgery, drugs (mainly high concentrations of local anesthetics), local compression (hematoma or tumor), or inadequate perioperative positioning of the patient. It occurs in 100% of the patients with an interscalene block of the brachial plexus and can also occur in patients with other types of supraclavicular blocks.In this case report, we presented a case of Horner’s syndrome after performing an ultrasound-guided infraclavicular brachial plexus block with 15 mL of bupivacaine 0.5%. It appeared 40 minutes after the block with specific triad (ptosis, miosis, and exophtalmia) and quickly disappears within 2 hours and a half without any sequelae. Horner's syndrome may be described as an unpleasant side effect because it has no clinical consequences in itself. For this reason anesthesiologists should be aware of this syndrome, and if it occurs patients should be reassured and monitored closely.