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Arch. cardiol. Méx ; 76(supl.4): S46-S57, oct.-dic. 2006.
Artigo em Espanhol | LILACS | ID: lil-568133

RESUMO

The ample development of diagnostic echocardiography in pediatric cardiology has demanded precise knowledge of the abnormal anatomy of hearts that present congenital cardiac diseases. As a result, the information on morphologic and molecular aspects of cardiac embryogenesis has become fundamental to understand the anomalous anatomy of the malformed hearts. Based on these facts, in this paper we reviewed normal cardiogenesis, integrating the new information obtained experimentally in the chick embryo and from classic descriptive knowledge in humans. The age at which each cardiac segment appears is specified. At the same time, the changes in shape, relationships and position of these cardiac segments are detailed. Some implications of this process in the production of congenital cardiac defects and the importance of some specific genes are also discussed. This information is useful in the diagnosis of congenital cardiac diseases, as well as in discussing their embryogenesis. It is also beneficial in studying the possible mechanisms and genes implicated in normal morphogenesis of cardiac chambers, septa and valves. All this knowledge is important to plan strategies to avoid the production of this type of congenital pathologies.


Assuntos
Animais , Embrião de Galinha , Criança , Humanos , Ratos , Cardiopatias Congênitas , Coração/embriologia , Idade Gestacional , Cardiopatias Congênitas , Cardiopatias Congênitas/embriologia , Septos Cardíacos/embriologia , Valvas Cardíacas/embriologia , Ventrículos do Coração/embriologia , Morfogênese , Organogênese
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