alexa Does Depth of Anesthesia Influence Postoperative Cognit
ISSN: 2155-6148

Journal of Anesthesia & Clinical Research
Open Access

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Research Article

Does Depth of Anesthesia Influence Postoperative Cognitive Dysfunction or Inflammatory Response Following Major ENT Surgery?

Pether K Jildenstål1*, Jan L Hallén2, Narinder Rawal3 and Lars Berggren4

1Department of Anesthesiology and Intensive Care, University Hospital, Örebro, Sweden

2Department of Anesthesiology and Intensive Care, University Hospital, Örebro, Sweden

3Department of Anesthesiology and Intensive Care, University Hospital, Örebro, Sweden

4Department of Anesthesiology and Intensive Care, University Hospital, CAMTÖ, Centre for Assessment of Medical Technology, Örebro, Sweden

*Corresponding Author:
Volkan Hanci, MD
Esenler Mahallesi, Cumhuriyet Caddesi, Yagmur Apartmani
Apartman No:30, Daire:24, Çanakkale, Turkey
Tel: +90.530.643.32.40
E-mail: [email protected]

Received Date: June 05, 2012; Accepted Date: June 26, 2012; Published Date: July 03, 2012

Citation: Jildenstål PK, Hallén JL, Rawal N, Berggren L (2012) Does Depth of Anesthesia Influence Postoperative Cognitive Dysfunction or Inflammatory Response Following Major ENT Surgery? J Anesth Clin Res 3:220. doi: 10.4172/2155-6148.1000220

Copyright: © 2012 Jildenstål PK, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

The aim of this study was to evaluate the role of depth of anesthesia on POCD after major ENT surgery and to assess changes in postoperative inflammatory markers in patients undergoing major ENT surgery. Thirty two patients aged 40 to 94 yrs, scheduled for surgery under general anesthesia were randomly assigned to one of two groups. In group A (AEP group) depth of anesthesia (DOA) was measured with auditory evoked potential (AEP). In the control group (group C) DOA was monitored according to clinical signs. Cognitive function was evaluated using Mini-Mental State Examination (MMSE), Confusion Assessment Method (CAM) and Cognitive Failure Questionnaire (CFQ). Inflammatory markers were measured before and after anesthesia. Perioperative requirements for desflurane and fentanyl were significantly lower in group A. On the first postoperative day MMSE changes indicating POCD were noted in 1 patient in group A and 7 patients in group C (P<0.03). One month follow up did not show any difference between the groups regarding POCD. Our study indicates that AEP-guided anesthesia allows dose reduction of anesthetic agents including opioids leading to better cardiovascular stability and less early POCD. Anesthesia depth did not influence the inflammatory response to surgery.

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