Open-access Speckle tracking echocardiography for cardiac assessment in pregnant women with preeclampsia: a scoping review

Abstract

Objectives:  to map existing scientific evidence on the use of echocardiography with the Speckle Tracking (STE) technique in pregnant women with preeclampsia (PE), compared to normotensive pregnant women.

Methods:  this scoping review was conducted following the PRISMA-ScR (Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews) guidelines and the Joanna Briggs Institute methodology. The research protocol was registered in the Open Science Framework. Searches were performed in PubMed, Embase, Web of Science, BVS, and the Cochrane Database of Systematic Reviews, as well as in the gray literature via Google Scholar. Two independent reviewers selected the articles based on inclusion criteria, resulting in 12 studies.

Results:  in total, the studies analyzed included 951 pregnant women (473 with PE and 478 controls). Most studies reported less negative Global Longitudinal Strain (GLS) values in women with PE (mean of -17%) compared to normotensive controls (mean of -20%), suggesting subclinical cardiac dysfunction in the PE group.

Conclusion:  these findings highlight the potential of STE to detect early myocardial changes in preeclampsia, even before a reduction in the left ventricular ejection fraction. Further research is needed to explore the systematic use of STE in high-risk prenatal care to promote maternal cardiovascular health.

Key words
Preeclampsia; Global longitudinal strain; Echocardiography

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