Circulating cardiovascular biomarkers during and after preeclampsia: Crosstalk with placental function?

Daniel P Jacobsen1, Ragnhild Røysland2, Heidi Strand3

  • 1Division of Obstetrics and Gynaecology, Oslo University Hospital, Norway.

Pregnancy Hypertension
|September 23, 2022
PubMed

Insights

Hypertensive disorders of pregnancy, like preeclampsia, increase cardiovascular disease (CVD) risk in women. Biomarkers such as growth differentiation factor 15 (GDF-15) may help identify high-risk postpartum individuals for CVD prevention.

Area of Science:

  • Cardiovascular Medicine
  • Reproductive Health
  • Biomarker Discovery

Background:

  • Cardiovascular disease (CVD) is a leading cause of death in women, with sex-specific risk factors understudied.
  • Preeclampsia and other adverse pregnancy outcomes are linked to increased maternal cardiovascular risk.
  • Understanding these links requires investigating cardiovascular biomarkers during and after pregnancy.

Purpose of the Study:

  • To assess cardiac troponin T (cTnT), N-terminal pro-Brain Natriuretic Peptide (NT-proBNP), and growth differentiation factor 15 (GDF-15) in pregnancies with hypertensive disorders.
  • To correlate these biomarkers with placental dysfunction markers.
  • To evaluate biomarker levels postpartum (1-3 years after delivery).

Main Methods:

  • Serum samples collected from 417 pregnant women (55 early-onset preeclampsia, 63 late-onset preeclampsia, 30 gestational hypertension, 269 controls).
  • Postpartum samples analyzed from 341 women (1-3 years after delivery).
  • Assessed concentrations of cTnT, NT-proBNP, and GDF-15, correlating with placental dysfunction markers.

Main Results:

  • Elevated cTnT and NT-proBNP pre-delivery in women with early-onset preeclampsia (EO-PE), late-onset preeclampsia (LO-PE), or gestational hypertension (GH) compared to controls.
  • Higher GDF-15 levels pre-delivery in EO-PE and LO-PE.
  • Elevated postpartum GDF-15 in women with a history of EO-PE.
  • Placental dysfunction markers correlated with CVD biomarkers during pregnancy, but not postpartum.

Conclusions:

  • Hypertensive disorders of pregnancy contribute significantly to cardiovascular burden.
  • Crosstalk exists between placental function and cardiovascular biomarkers.
  • Elevated GDF-15 post-EO-PE suggests potential for targeted CVD prevention in high-risk postpartum women.

Related Concept Videos

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
190
Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
286
Fetal Circulation01:14

Fetal Circulation

Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
1.2K