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Epidemiology of ischemic placental disease: a focus on preterm gestations
Samantha E Parker1, Martha M Werler1
1Slone Epidemiology Center, Boston University, Boston, MA 02215.
Insights
Ischemic placental disease (IPD), including preeclampsia and placental abruption, is linked to poor placentation. This review focuses on risk factors and recurrence in preterm births to advance etiologic research.
Area of Science:
- Obstetrics and Gynecology
- Perinatal Medicine
- Reproductive Biology
Background:
- Preeclampsia, placental abruption, and intrauterine growth restriction (IUGR) are grouped as ischemic placental disease (IPD).
- A common pathway of poor placentation and placental insufficiency is suspected.
- Etiologies remain largely unknown, with lacking preventive and therapeutic strategies.
Purpose of the Study:
- To review current knowledge on risk factors, co-occurrence, and recurrence of IPD.
- To focus specifically on the preterm gestational window for IPD research.
- To support etiologic research by classifying IPD based on gestational age at onset.
Main Methods:
- Literature review of existing research on IPD.
- Analysis of risk factors, co-occurrence, and recurrence patterns.
- Focus on studies involving preterm gestations.
Main Results:
- IPD conditions share a suspected common etiology linked to early pregnancy placental issues.
- Preterm gestations are a key focus for understanding IPD underpinnings.
- Further research is needed to clarify specific risk factors and recurrence risks.
Conclusions:
- Understanding IPD requires a focus on the preterm gestational window.
- Classifying IPD by gestational age may aid future research.
- Elucidating IPD etiologies is crucial for developing interventions.
Abstract:
Preeclampsia, placental abruption, and intrauterine growth restriction (IUGR) have collectively been termed ischemic placental disease (IPD) due to a suspected common biological pathway involving poor placentation in early pregnancy and subsequent placental insufficiency. Despite decades of research, the etiologies of these conditions remain largely unknown and preventive and therapeutic strategies are lacking. It has been suggested that the underpinnings of IPD lie primarily in preterm gestations and that classification of these conditions based on the gestational age at onset will facilitate etiologic research. The purpose of this review is to describe our current knowledge regarding the risk factors, co-occurrence, and recurrence of the conditions of IPD with a specific focus on the preterm gestational window.
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