Cardiac disease in pregnancy risk factors: Difference between revisions
New page: {{Pregnancy and heart disease}} {{CMG}}; '''Associate Editor In Chief:''' ==Overview== ==References== {{Reflist|2}} Category:Cardiology Category:Obstetrics [[Category:Diseas... |
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==Overview== | ==Overview== | ||
==Risk Factors Associated with Maternal Cardiovascular Disease== | |||
A prospective study performed by Siu and colleagues identified four predictors of maternal cardiac events.<ref name="pmid11479246">{{cite journal| author=Siu SC, Sermer M, Colman JM, Alvarez AN, Mercier LA, Morton BC et al.| title=Prospective multicenter study of pregnancy outcomes in women with heart disease. | journal=Circulation | year= 2001 | volume= 104 | issue= 5 | pages= 515-21 | pmid=11479246 | doi= | pmc= | url= }} </ref> These include: | |||
*A prior cardiac event (e.g., heart failure, transient ischemic attack, or stroke before pregnancy) or arrhythmia | |||
*A baseline New York Heart Association (NYHA) class higher than Class II or cyanosis | |||
*A left-sided heart obstruction (mitral valve area smaller than 2 cm2, aortic valve area less than 1.5 cm2, or peak left ventricular outflow tract gradient more than 30 mm Hg by echocardiography | |||
*Reduced systemic ventricular systolic function (ejection fraction less than 40%) | |||
Based on this study of approximately 600 patients, the estimated risk of a cardiac event in pregnancies with 0, 1, and more than 1 point was 5%, 27%, and 75%, respectively. The authors recommended that those with a low cardiac risk of 0 could safely be delivered in a community hospital, but those at intermediate or high cardiac risk (risk score of 1 or more) should be delivered at a regional center. | |||
==References== | ==References== | ||
Revision as of 20:13, 10 August 2011
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor In Chief:
Overview
Risk Factors Associated with Maternal Cardiovascular Disease
A prospective study performed by Siu and colleagues identified four predictors of maternal cardiac events.[1] These include:
- A prior cardiac event (e.g., heart failure, transient ischemic attack, or stroke before pregnancy) or arrhythmia
- A baseline New York Heart Association (NYHA) class higher than Class II or cyanosis
- A left-sided heart obstruction (mitral valve area smaller than 2 cm2, aortic valve area less than 1.5 cm2, or peak left ventricular outflow tract gradient more than 30 mm Hg by echocardiography
- Reduced systemic ventricular systolic function (ejection fraction less than 40%)
Based on this study of approximately 600 patients, the estimated risk of a cardiac event in pregnancies with 0, 1, and more than 1 point was 5%, 27%, and 75%, respectively. The authors recommended that those with a low cardiac risk of 0 could safely be delivered in a community hospital, but those at intermediate or high cardiac risk (risk score of 1 or more) should be delivered at a regional center.