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Revista Hospital Universitário Pedro Ernesto
Article . 2015 . Peer-reviewed
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Anticoagulação na gravidez

Authors: Nilson R. de Jesús; Roger A. Levy; Guilherme Ramires de Jesus; Flávia Cunha dos Santos;

Anticoagulação na gravidez

Abstract

As mudancas anatomicas e hormonais que ocorrem no organismo da mulher tornam as gestantes suscetiveis, expostas aos riscos de novo evento trombotico durante a gravidez. Dessa forma, e importante sabermos atuar na profilaxia e termos conhecimento do uso da anticoagulacao em situacoes especiais e em patologias onde a trombose pode ocorrer na ausencia de um manejo adequado. Nessas ocasioes a escolha do anticoagulante se transforma em um grande desafio. Os cumarinicos sao drogas que atuam na inibicao da sintese dos fatores de coagulacao. Sao considerados teratogenicos quando utilizados no primeiro trimestre e exigem controle pelo indice internacional de normatizacao (INR), porem, tem a vantagem do baixo custo e da administracao por via oral, podendo ser uma alternativa quando utilizado entre a 13a e a 36a semana de gestacao. As heparinas atuam como cofator da antitrombina III, aumentando sua capacidade de neutralizar enzimas hemostaticas. Requerem administracao por via parenteral por serem inativadas no intestino. Quando usadas por longos periodos, podem causar osteopenia e trombocitopenia. Com relacao as medicacoes alternativas, nao existem muitos estudos que possam garantir a eficacia e a seguranca de sua utilizacao durante a gravidez. Ficam reservadas para os casos de contraindicacao ao uso da heparina. A anticoagulacao nas pacientes portadoras de SAF e feita de acordo com as manifestacoes da doenca que podem variar de perdas gestacionais associadas ou nao a tromboses arteriais ou venosas. Com relacao as pacientes portadoras de trombofilias hereditarias, a anticoagulacao na gravidez sera feita tomando como base o tipo de trombofilia (baixo ou alto risco) e a ocorrencia ou nao de evento trombotico previo. As pacientes portadoras de valvula cardiaca metalica devem ser submetidas aanticoagulacao plena durante toda a vida e o cumarinico e mais efetivo que a heparina na prevencao de complicacoes tromboembolicas nessas pacientes. Descritores : Gravidez; Heparina; Trombofilia.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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