2020
DOI: 10.15420/icr.2020.06
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Management of Valvular Disease During Pregnancy: Evolving Role of Percutaneous Treatment

Abstract: Valvular heart disease (VHD) is encountered in approximately 1% of pregnancies, significantly increasing both maternal and foetal risk. Rheumatic VHD remains the most common form in non-Western countries, whereas congenital heart disease dominates in the Western world. The risk of complications varies according to the type and severity of the underlying VHD. Moreover, pregnancy is a hypercoagulable state associated with increased risk of thromboembolism. The authors review the main VHDs encountered during preg… Show more

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Cited by 9 publications
(9 citation statements)
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“…Although randomized studies are lacking, current evidence suggests that vitamin K antagonists (VKAs) with a closely monitored international normalized ratio are the safest option to prevent valve thrombosis throughout pregnancy. Continuous VKA use is recommended until 36 weeks of gestation, particularly with low‐dose requirements (warfarin <5 mg/day, phenprocoumon <3 mg/day, or acenocoumarol <2 mg/day), due to minimal risks of embryopathy, foetopathy (<2%), and fetal loss (<20%), coupled with VKAs being the most effective in preventing valve thrombosis 54,55 …”
Section: Risk Factors For Heart Failure During Pregnancy and Identifi...mentioning
confidence: 99%
“…Although randomized studies are lacking, current evidence suggests that vitamin K antagonists (VKAs) with a closely monitored international normalized ratio are the safest option to prevent valve thrombosis throughout pregnancy. Continuous VKA use is recommended until 36 weeks of gestation, particularly with low‐dose requirements (warfarin <5 mg/day, phenprocoumon <3 mg/day, or acenocoumarol <2 mg/day), due to minimal risks of embryopathy, foetopathy (<2%), and fetal loss (<20%), coupled with VKAs being the most effective in preventing valve thrombosis 54,55 …”
Section: Risk Factors For Heart Failure During Pregnancy and Identifi...mentioning
confidence: 99%
“…Caso a estenose mitral seja diagnosticada durante a gravidez e o comprometimento hemodinâmico persistir, com sintomas como classe III/IV da New York Heart Association (NYHA) e/ou pressão sistólica da artéria pulmonar igual ou superior a 50 mmHg, mesmo após o uso de medicamentos apropriados, como betabloqueadores e diuréticos, pode ser necessário realizar a valvuloplastia mitral por cateter-balão (VMCB) antes do nascimento do bebê (figura 7).. Geralmente, esse procedimento é realizado no segundo trimestre da gravidez, após a 20ª semana, em centros especializados, a menos que haja contraindicações. A valvuloplastia mitral pré-natal ou durante a gravidez parece ter resultados semelhantes em termos de saúde materna e fetal (FRACCARO et al, 2020). Este método, demonstrou, em diversos estudos, bons resultados clínicos e hemodinâmicos, possuindo uma taxa de sucesso de 82% a 94%, chegando em alguns casos até 100%, quando realizado de maneira eficiente e benéfica.…”
Section: Valvuloplastia Mitral Percutânea Por Cateter-balãounclassified
“…A VMCB é superior à comissurotomia aberta por ser pouco invasiva, com anestesia local, menos complicações e mortalidade. Tecnologias transcateter estão sendo desenvolvidas para pacientes em estado grave de estreitamento mitral, não elegíveis à valvoplastia pela anatomia desfavorável (FRACCARO et al, 2020). A indicação da PBMV ou CMV em comparação a cirurgia de coração aberto na gravidez é muito mais vantajoso, uma vez que este último procedimento tem maior risco ao sistema nervoso central, além…”
Section: Comissurotomia Mitralunclassified
“…LMW heparin is considered superior to unfractionated heparin because it incurs a lower risk of heparin-induced thrombocytopenia. It is recommended to administer unfractionated heparin to reduce hemorrhagic complications cautiously, such as 36 hours prior to the induction of labor or planned cesarean delivery [ 75 ].…”
Section: Reviewmentioning
confidence: 99%