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. 2018 Sep;11(3):126-131.
doi: 10.1177/1753495X18759353. Epub 2018 Apr 16.

Physiological changes of pregnancy and the Swansea criteria in diagnosing acute fatty liver of pregnancy

Adam Morton  1 , Josephine Laurie  1
Affiliations

Physiological changes of pregnancy and the Swansea criteria in diagnosing acute fatty liver of pregnancy

Adam Morton et al. Obstet Med. 2018 Sep.

Abstract

The Swansea criteria are used to assess the likelihood of acute fatty liver of pregnancy. There are significant physiological changes in normal pregnancy in several of the pathology parameters used in the Swansea criteria. This may impact the sensitivity and specificity of the Swansea criteria. Five of the 11 case series reporting laboratory values in acute fatty liver of pregnancy used values divergent from the Swansea criteria. When using the Swansea criteria for diagnosis of acute fatty liver of pregnancy, using pregnancy-specific and/or laboratory-specific reference intervals is recommended. Simpler diagnostic criteria using parameters of hepatocellular damage and hepatic synthetic dysfunction may be an alternative to the Swansea criteria, and further studies investigating the sensitivity and specificity of these parameters would be useful.

Keywords: Acute fatty liver of pregnancy; Swansea criteria; antithrombin III; physiological changes.

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