Postpartum group B streptococcal endocarditis associated with mitral valve prolapse.
Although group B streptococci frequently colonize the birth canal of pregnant women, and cause puerperal sepsis in approximately 0.2% of deliveries, recommendations for endocarditis prophylaxis do not include uncomplicated vaginal delivery. Mitral valve prolapse has been reported to represent a low risk for endocarditis and an uncertain risk/benefit ratio for prophylaxis. As the case presented here illustrates, group B streptococcal endocarditis after uncomplicated vaginal delivery can be associated with mitral valve prolapse; patients with additional risk factors for group B streptococcal infection are at particular risk.
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