Repository of Research and Investigative Information

Repository of Research and Investigative Information

Baqiyatallah University of Medical Sciences

A systematic review and meta-analysis on the effects of statins on pregnancy outcomes

(2021) A systematic review and meta-analysis on the effects of statins on pregnancy outcomes. Atherosclerosis. pp. 1-11. ISSN 0021-9150

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Abstract

Background and aims: Statins are contraindicated in pregnancy, due to their potential teratogenicity. However, data are still inconsistent and some even suggest a potential benefit of statin use against pregnancy complications. We aimed to investigate the effects of statins on pregnancy outcomes, including stillbirth, fetal abortion, and preterm delivery, through a systematic review of the literature and a meta-analysis of the available clinical studies. Methods: A literature search was performed through PubMed, Scopus, and Web of Science up to 16 May 2020. Data were extracted from 18 clinical studies (7 cohort studies, 2 clinical trials, 3 case reports, and 6 case series). Random effect meta-analyses were conducted using the restricted maximum likelihood method. The common effect sizes were calculated as odds ratios (ORs) and their 95 confidence interval (CI) for each main outcome. Results: Finally, nine studies were included in the meta-analysis. There was no significant association between statin therapy and stillbirth OR (95% CI) = 1.30 (0.56, 3.02), p=0.54; I2 = 0%. While statin exposure was significantly associated with increased rates of spontaneous abortion OR (95% CI) = 1.36 (1.10-1.68), p=0.004, I2 = 0%, it was non-significantly associated with increased rates of induced abortion OR (95% CI) = 2.08 (0.81, 5.36), p=0.129, I2 = 17.33% and elective abortion OR (95% CI) = 1.37 (0.68, 2.76), p=0.378, I2 = 62.46%. A non-significant numerically reduced rate of preterm delivery was observed in statin users OR (95% CI) = 0.47 (0.06, 3.70), p=0.47, I2 = 76.35%. Conclusions: Statin therapy seems to be safe as it was not associated with stillbirth or induced and elective abortion rates. Significant increase after statin therapy was, however, observed for spontaneous abortion. These results need to be confirmed and validated in future studies.

Item Type: Article
Keywords: Benefits Outcomes Pregnancy Risks Statins Teratogenicity familial hypercholesterolemia maternal exposure therapy cholesterol simvastatin pravastatin management inhibitor anomalies patient Cardiovascular System & Cardiology
Page Range: pp. 1-11
Journal or Publication Title: Atherosclerosis
Journal Index: ISI
Volume: 336
Identification Number: https://doi.org/10.1016/j.atherosclerosis.2021.09.010
ISSN: 0021-9150
Depositing User: مهندس مهدی شریفی
URI: http://eprints.bmsu.ac.ir/id/eprint/10093

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