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Preeclampsia: The Need for a Biological Definition and Diagnosis
Alex C Vidaeff1, George R Saade2, Baha M Sibai3
1Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas.
Insights
Current preeclampsia criteria act as screening tests, not definitive diagnoses. Research should focus on better screening and diagnostic tools for hypertensive disorders in pregnancy to reduce maternal and perinatal mortality.
Area of Science:
- Obstetrics and Gynecology
- Maternal-Fetal Medicine
Background:
- Traditional preeclampsia prevention relies on identifying early signs like hypertension and proteinuria.
- Preeclampsia is debated as an early stage of a continuum possibly leading to eclampsia.
- Existing criteria for preeclampsia are viewed as diagnostic, leading to ongoing debate and revisions.
Purpose of the Study:
- To reframe the understanding of preeclampsia criteria as screening tools rather than definitive diagnostic markers.
- To advocate for a research focus on improving screening and diagnostic methods for hypertensive disorders of pregnancy.
- To ultimately enhance management strategies for maternal and perinatal morbidity and mortality.
Main Methods:
- This commentary analyzes the current diagnostic and screening approaches for preeclampsia.
- It reviews the historical context and ongoing debates surrounding preeclampsia criteria.
- It proposes a shift in research focus towards better screening and diagnostic technologies.
Main Results:
- The current criteria for preeclampsia function more effectively as screening tests.
- There is a lack of definitive diagnostic criteria, leading to persistent clinical and research challenges.
- The focus on 'preeclampsia' as a diagnosis may obscure the primary goal of managing hypertensive disorders.
Conclusions:
- Preeclampsia criteria should be interpreted as screening indicators, not conclusive diagnoses.
- Future research must prioritize the development of superior screening and diagnostic tools for hypertensive disorders in pregnancy.
- Improving these methods is crucial for reducing maternal and perinatal complications and mortality.
Abstract:
The centuries-old approach to the prevention of eclampsia and its associated maternal morbidity and mortality is based on the recognition of the presence of premonitory signs and symptoms such as hypertension and proteinuria. The spectrum of preceding signs and symptoms came to be known as preeclampsia, which is debatably considered to be an early stage on a clinical continuum possibly leading to eclampsia. The premonitory signs and symptoms were then construed as diagnostic criteria for the poorly understood syndrome of preeclampsia, and this led to a perpetual debate that remains subject to wide disagreement and periodic updates. In this commentary, we will draw attention to the fact that the criteria for preeclampsia should be viewed from the prism of a screening test rather than as diagnostic of a condition in itself. Focusing research on developing better diagnostic and screening methods for what is clinically important, namely maternal and perinatal morbidity and mortality from hypertensive disorders of pregnancy, a long overdue upgrade from what was possible centuries ago, will ultimately lead to better management approaches to what really matters.
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