Mortality amongst multiple trauma patients admitted to an intensive therapy unit
- 1 October 1984
- journal article
- research article
- Published by Wiley in Anaesthesia
- Vol. 39 (10), 973-981
- https://doi.org/10.1111/j.1365-2044.1984.tb08885.x
Abstract
A retrospective review of 428 severely injured patients admitted to an intensive therapy unit between 1969 and 1982 was performed. The patients' primary injuries were assessed using the injury severity score (ISS), and subsequent complications using the complications impact index and sepsis score. Between 1969 and 1980 mortality fluctuated between 19% and 29% but rose to 47% (p less than 0.05) during 1981-82 in spite of an unchanged ISS. The increased mortality was confined to ventilated patients surviving more than 5 days from injury and was associated with multiple organ failure and severe infection. The rapid and sustained increase in mortality could not be explained by any obvious change in severity of injury or referral pattern. The only deliberate change in management related to the combination of analgesic/sedative drugs used in ventilated patients. During 1979 to 1982 mortality was 28% in patients given morphine with or without benzodiazepines and 77% in those given morphine and etomidate (p less than 0.0005). After discontinuation of the latter regimen (May 1983) and resumption of the former analgesic/sedative combination, mortality fell to 25% (p less than 0.005). Possible mechanisms leading to increased mortality include adrenocortical insufficiency or depth of anaesthesia.Keywords
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