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The uptake of enflurane during anaesthesia
Author(s) -
DEVCHAND D.,
CHAKRABARTI M. K.,
LOCKWOOD G. G.
Publication year - 1995
Publication title -
anaesthesia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.839
H-Index - 117
eISSN - 1365-2044
pISSN - 0003-2409
DOI - 10.1111/j.1365-2044.1995.tb06036.x
Subject(s) - enflurane , medicine , anesthesia , expired air , nitrous oxide , halothane
Summary The uptake of enflurane at a constant end‐expired concentration of 2% in oxygen was studied in 38 patients, ASA 1 or 2, undergoing elective orthopaedic procedures. The anaesthetic was administered using a computer‐controlled closed circle system. Following an initial 4 min period during which the expired concentration of enflurane was established, the rate of uptake of enflurane showed a triexponential decline. The mean cumulative use of enflurane after 60min was 10.7ml, and after 120min was 18.4ml.