ArticleAmerican journal of hypertension2025
Cardiac Biomarkers in Pregnancies With and Without Hypertension.
Article in American journal of hypertension, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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9 authors.
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Abstract
backgroundMechanisms of injury due to hypertension (HTN) in pregnancy remain poorly characterized. This study examined trends in markers of cardiac injury (high-sensitivity troponin I, hs-cTnI), strain (N-terminal pro-B-type natriuretic peptide, NT-proBNP), and inflammation (high-sensitivity C-reactive protein, hs-CRP) in pregnancies with and without HTN.
methodsThis prospective, 1:1 case-control study enrolled pregnant women with and without HTN (24-32 weeks gestation) from 2019 to 2022. HTN was defined by a clinical diagnosis of HTN or baseline blood pressure (BP) ≥ 140/90 mm Hg. Serum was collected at baseline, predelivery, and postpartum day 1. Mixed effects tobit models compared log-transformed hs-cTnI, NT-proBNP, and hs-CRP across HTN groups and over time, adjusted for age and body mass index.
resultsMean baseline BP was 130.5 (17.5)/88.2 (13.5) mm Hg for the HTN group (n = 38, 86.8% chronic, 13.2% gestational HTN), and 112.0 (9.8)/70.9 (8.2) mm Hg for those without HTN (n = 38). Over pregnancy, the HTN group had higher hs-cTnI than those without HTN (2.12 [0.43] vs. 1.07 [0.25], Δ1.05 [95%CI: 0.07-2.03] ng/l). Compared to baseline, hs-cTnI increased at predelivery and postpartum for both groups. Overall, the two groups had similar NT-proBNP (HTN: 39.0 [4.5] vs. no HTN: 35.6 [4.3] pg/mL) and hs-CRP (HTN: 12.0 [1.7] vs. no HTN: 9.9 [1.5] mg/L). For both groups, NT-proBNP and hs-CRP increased from baseline to postpartum (NT-proBNP, HTN: 127% [58-227%], no HTN: 120% [51-219%]; hs-CRP: HTN: 550% [343-853%], no HTN: 664% [415-1,034%]).
conclusionHTN was associated with markers of cardiac injury during pregnancy, while delivery alone led to increases in markers of strain and inflammation. These biomarker changes associated with HTN in pregnancy may represent potential mechanisms to explain adverse cardiovascular events.
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