Document Detail


Carotid endarterectomy; local or general anaesthesia?
MedLine Citation:
PMID:  11461095     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVES: to review the evidence for theoretical and clinical benefits of local or general anaesthesia for carotid endarterectomy. METHODS: literature review. RESULTS: animal studies suggest cerebral protection by a variety of general anaesthetic agents but clinical evidence is lacking. There is some clinical evidence that normal cerebral protective reflexes are preserved with local anaesthesia. Shunt insertion is the most widely used method of providing cerebral protection with awake testing the most reliable monitoring technique for the identification of ischaemia. There are therefore theoretical arguments for a reduced risk of perioperative stroke when local anaesthesia is used and this is supported by a meta-analysis of non-randomised studies. Intraoperative blood pressure is always higher with local anaesthesia but the incidence of postoperative haemodynamic instability seems to be independent of anaesthetic technique. There is little evidence that myocardial ischaemia is more common with either anaesthetic technique but meta-analysis of non-randomised again suggests fewer cardiac complications with local anaesthesia. Cranial nerve injury and haematoma formation may be less common with local anaesthesia but the evidence is weak. There is no evidence that surgery is more difficult with local anaesthesia or that it is poorly tolerated by the patients. CONCLUSIONS: there are theoretical arguments and clinical evidence that the outcome from carotid endarterectomy may be better when local anaesthesia is used with no significant disadvantages. An appropriately designed randomised trial is required to confirm this.
Authors:
A J McCleary; G Maritati; M J Gough
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery     Volume:  22     ISSN:  1078-5884     ISO Abbreviation:  Eur J Vasc Endovasc Surg     Publication Date:  2001 Jul 
Date Detail:
Created Date:  2001-07-19     Completed Date:  2001-08-09     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  9512728     Medline TA:  Eur J Vasc Endovasc Surg     Country:  England    
Other Details:
Languages:  eng     Pagination:  1-12     Citation Subset:  IM    
Copyright Information:
Copyright 2001 Harcourt Publishers Limited.
Affiliation:
Vascular Surgical Unit, General Infirmary at Leeds, UK.
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MeSH Terms
Descriptor/Qualifier:
Anesthesia, General*
Anesthesia, Local*
Anesthetics / pharmacology
Animals
Brain / blood supply
Brain Ischemia / prevention & control
Endarterectomy, Carotid / adverse effects,  methods*
Hemodynamics
Humans
Regional Blood Flow / drug effects
Stroke / prevention & control
Chemical
Reg. No./Substance:
0/Anesthetics

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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