1. Alanine aminotransferase to platelet ratio as a diagnostic tool for mild intrahepatic cholestasis of pregnancy.
- Author
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Karagün, Şebnem, Dal, Yusuf, Yıldız, Hamza, Nessar, Ahmet Zeki, Karaca, Sefanur Gamze, and Coşkun, Ayhan
- Subjects
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ALANINE aminotransferase , *BLOOD platelets , *PREGNANT women , *DELIVERY (Obstetrics) , *CESAREAN section - Abstract
Objective: This study investigated the potential of readily available laboratory parameters, specifically the alanine aminotransferase to platelet ratio (ALT/PLT) and other novel hematological ratios, as diagnostic predictors of mild intrahepatic cholestasis of pregnancy (ICP), particularly in settings where bile acid testing poses a financial or logistical barrier. Methods: A retrospective analysis was conducted on data from 83 pregnant women with pruritus at a single center in Türkiye. They were categorized into two groups: 40 diagnosed with mild ICP and 43 with non-pathological pruritus as a control group. The laboratory parameters on admission and the perinatal outcomes of the patients in the two groups were compared. Receiver operating characteristic (ROC) curve analysis was performed to evaluate the diagnostic accuracy of the ratios. Results: The ICP group showed significantly higher levels of ALT/PLT, aspartate aminotransferase (AST) to platelet ratio, and ALT to total bile acid (TBA) ratio compared to the control group, while PLT/TBA was significantly lower. ALT/PLT demonstrated promising results with 82.5% sensitivity and 88.37% specificity for diagnosing mild ICP. Additionally, PLT/TBA ratio exhibited exceptional performance, achieving 97.5% sensitivity and 97.67% specificity. Conclusion: This study suggests that the ALT/PLT ratio may serve as valuable and cost-effective tool for diagnosing mild ICP, especially in resource-limited settings where traditional total bile acid testing is challenging. The integration of AST/PLT, ALT/PLT, and PLT/TBA ratios into diagnostic algorithms contributes to the more accessible and cost-effective identification of mild ICP in pregnant women with pruritus. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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