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[Computerized cardiotocography and short-term variation in management of obstetric cholestasis: a useful tool?]
E Poncelet1, B Trombert, M-N Varlet
1Service de gynécologie-obstétrique et médecine de la reproduction, hôpital Nord, CHU de Saint-Étienne, avenue Albert-Raimond, 42000 Saint-Étienne, France.
Insights
This study found no correlation between bile acid levels, short-term variation (STV) from cardiotocography, and fetal outcomes in obstetric cholestasis. Early diagnosis in the second trimester led to earlier delivery.
Area of Science:
- Obstetrics and Gynecology
- Maternal-Fetal Medicine
- Hepatology
Context:
- Obstetric cholestasis is a pregnancy complication requiring careful management.
- Cardiotocography (CTG) with short-term variation (STV) is used to assess fetal well-being.
- Bile acid concentrations are biochemical markers of liver function in pregnancy.
Purpose:
- To investigate the relationship between bile acid concentrations and STV in pregnancies with obstetric cholestasis.
- To determine if these markers correlate with adverse fetal outcomes.
- To evaluate the effectiveness of active management strategies.
Summary:
- A retrospective study of 51 women with obstetric cholestasis analyzed bile acid levels and STV data.
- No statistical correlation was found between bile acid concentrations, STV, and fetal outcomes.
- Patients diagnosed in the second trimester delivered earlier (p=0.0012); 37.2% delivered preterm, with no perinatal deaths. Recurrence was observed in 60%.
Impact:
- Highlights the need for further research into the pathophysiology of obstetric cholestasis.
- Suggests current monitoring methods may not fully predict fetal risk.
- Informs future strategies for optimal surveillance and management of obstetric cholestasis.
Objective:
To evaluate active management of obstetric cholestasis by comparing correlation between bile acid concentrations and computerized cardiotocography (Short-term variation [STV]).
Patients And Methods:
Retrospective analytic study about 51 obstetric cholestasis between January 2001 and August 2009. Demographic characteristics, bile acid concentrations and STV data were recorded since diagnosis to pregnancy with evaluation of fetal outcome.
Results:
There were no statistical correlation between bile acid concentrations, STV data and fetal outcome. Patients with cholestasis diagnosed in second trimester delivered 12 days earlier than cholestasis diagnosed in third trimester (p=0.0012). Delivery before 37 weeks was found in 37.2% of cases. There were no perinatal deaths. Sixty percent had a recurrent obstetric cholestasis.
Conclusion:
Further works are necessary to study the exact pathogeny of obstetric cholestasis in order to determinate the best surveillance.
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