DOI: http://dx.doi.org/10.18203/2320-1770.ijrcog20202554

Chronic rheumatic heart disease and congenital heart disease complicating pregnancy: a study of the cardiac events, the maternal and perinatal outcome during 2011-2013 at tertiary care centre

Pratibha Devabhaktuni, Sushma Manchala, Somaraju Bhupathi Raju, Rajeev Menon, C. Sridevi

Abstract


Background: Objective of this study was to assess the prevalence of chronic rheumatic heart disease and congenital heart disease complicating pregnancy, study the maternal and perinatal outcome, and indications for termination of pregnancy.

Methods: Preconception counseling, antenatal care by pregnancy heart team as per protocol. One 2nd gravida (G2A1) with 26 weeks gestation, underwent mitral valve replacement during 26th week gestation i/v/o infective endocarditis associated with severe mitral regurgitation.

Results: Authors had CRHD: CHD = 29:21, out of 50 cases, the ratio was 1.3:1 in this study. Atrial septal defect (ASD) was the predominant lesion in this study -29% ASD alone and 9% associated with pulmonary artery hypertension. Eisenmenger's syndrome, was associated with ASD in three and VSD in two. Corrected lesions were 24%. In the rheumatic heart disease, mitral stenosis was the predominant lesion and PBMV was done in four (13.7%) cases. In CRHD cases, surgically corrected by prosthetic heart valve were -11 (37.9%). In CRHD total corrected cases, by prosthetic heart valve and percutaneous balloon mitral valvotomy (PBMV) account for 51.7%. One patient had PBMV procedure during 5th month of present pregnancy i/v/o severe mitral stenosis with mitral valve area -0.8 cm2 and another patient had PBMV during her first pregnancy. In this study 42% were in NYHA class I. 14% were in NYHA class IV. CHF was seen in 10%. Termination of pregnancy was necessary in 6 with CHD and 5 with CRHD. There were 39 deliveries with one set of twins. All the babies were alive. Maternal mortality was confirmed in one case with Eisenmenger’s syndrome + HELLP syndrome. Live birth rate was higher in cases with NYHA class I/II than in those with NYHA class III/IV (82.8% versus 66.60%).

Conclusions: Management by a pregnancy heart team as per guidelines would reduce mortality.


Keywords


Cardiac events, Chronic rheumatic heart disease, Congenital heart disease, Maternal and perinatal outcome, Pregnancy

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References


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