Rheumatic heart disease in pregnancy and neonatal outcomes: a systematic review and meta-analysis
Liaw, Joshua, Walker, Betrice, Hall, Leanne, Gorton, Susan, White, Andrew V., and Heal, Clare (2021) Rheumatic heart disease in pregnancy and neonatal outcomes: a systematic review and meta-analysis. PLoS ONE, 16 (6). e0253581.
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Abstract
Purpose: Associations between rheumatic heart disease (RHD) in pregnancy and fetal outcomes are relatively unknown. This study aimed to review rates and predictors of major adverse fetal outcomes of RHD in pregnancy.
Methods: Medline (Ovid), Pubmed, EMcare, Scopus, CINAHL, Informit, and WHOICTRP databases were searched for studies that reported rates of adverse perinatal events in women with RHD during pregnancy. Outcomes included preterm birth, intra-uterine growth restriction (IUGR), low-birth weight (LBW), perinatal death and percutaneous balloon mitral valvuloplasty intervention. Meta-analysis of fetal events by the New-York Heart Association (NYHA) heart failure classification, and the Mitral-valve Area (MVA) severity score was performed with unadjusted random effects models and heterogeneity of risk ratios (RR) was assessed with the I2 statistic. Quality of evidence was evaluated using the GRADE approach. The study was registered in PROSPERO (CRD42020161529).
Findings: The search identified 5949 non-duplicate records of which 136 full-text articles were assessed for eligibility and 22 studies included, 11 studies were eligible for meta-analyses. In 3928 pregnancies, high rates of preterm birth (9.35%-42.97%), LBW (12.98%-39.70%), IUGR (6.76%-22.40%) and perinatal death (0.00%-9.41%) were reported. NYHA III/IV pre-pregnancy was associated with higher rates of preterm birth (5 studies, RR 2.86, 95%CI 1.54-5.33), and perinatal death (6 studies, RR 3.23, 1.92-5.44). Moderate /severe mitral stenosis (MS) was associated with higher rates of preterm birth (3 studies, RR 2.05, 95%CI 1.02-4.11) and IUGR (3 studies, RR 2.46, 95%CI 1.02-5.95).
Interpretation: RHD during pregnancy is associated with adverse fetal outcomes. Maternal NYHA III/IV and moderate/severe MS in particular may predict poor prognosis.
| Item ID: | 69349 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1932-6203 |
| Copyright Information: | © 2021 Liaw et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
| Funders: | James Cook University (JCU) |
| Date Deposited: | 14 Sep 2021 05:12 |
| FoR Codes: | 42 HEALTH SCIENCES > 4206 Public health > 420699 Public health not elsewhere classified @ 100% |
| SEO Codes: | 20 HEALTH > 2004 Public health (excl. specific population health) > 200499 Public health (excl. specific population health) not elsewhere classified @ 100% |
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