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Splanchnic blood flow during halothane-relaxant anaesthesia in elderly patients.

Authors
Type
Published Article
Journal
Acta anaesthesiologica Scandinavica
Publication Date
Volume
30
Issue
7
Pages
556–561
Identifiers
PMID: 3811799
Source
Medline
License
Unknown

Abstract

We have previously found that halothane-relaxant anaesthesia in elderly patients causes a change towards a hyperkinetic circulation, with a decrease in the arterial-mixed venous oxygen content difference. This could be attributed to vasodilation. In the present study the splanchnic contribution to these changes was investigated. Nine patients were studied during halothane-relaxant anaesthesia prior to surgery. During anaesthesia splanchnic blood flow was markedly reduced, while splanchnic oxygen uptake decreased only moderately compared with the awake level. This resulted in an increase in splanchnic oxygen extraction. It is concluded that the splanchnic vascular bed does not contribute to the "hyperkinetic" circulation during halothane anaesthesia.

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