Myocardial rupture in acute myocardial infarction: mechanistic explanation based on the ventricular myocardial band hypothesis



Título del documento: Myocardial rupture in acute myocardial infarction: mechanistic explanation based on the ventricular myocardial band hypothesis
Revista: Revista de investigación clínica
Base de datos: PERIÓDICA
Número de sistema: 000389667
ISSN: 0034-8376
Autors: 1
2
1
1
1
1
3
Institucions: 1Instituto Nacional de Cardiología Ignacio Chávez, México, Distrito Federal. México
2Instituto Politécnico Nacional, Escuela Superior de Medicina, México, Distrito Federal. México
3Valley Regional Medical Center, Brownsville, Texas. Estados Unidos de América
Any:
Període: Sep-Oct
Volum: 67
Número: 5
Paginació: 318-322
País: México
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Aplicado, analítico
Resumen en inglés Torrent-Guasp explains the structure of the ventricular myocardium by means of a helical muscular band. Our primary purpose was to demonstrate the utility of echocardiography in human and porcine hearts in identifying the segments of the myocardial band. The second purpose was to evaluate the relation of the topographic distribution of the myocardial band with some post-myocardial infarction ruptures. Methods: Five porcine and one human heart without cardiopathy were dissected and the ventricular myocardial segments were color-coded for illustration and reconstruction purposes. These segments were then correlated to the conventional echocardiographic images. Afterwards in three cases with post-myocardial infarction rupture, a correlation of the topographic location of the rupture with the distribution of the ventricular band was made. Results: The human ventricular band does not show any differences from the porcine band, which confirms the similarities of the four segments; these segments could be identified by echocardiography. In three cases with myocardial rupture, a correlation of the intra-myocardial dissection with the distribution of the ventricular band was observed. Conclusions: Echocardiography is helpful in identifying the myocardial band segments as well as the correlation with the topographic distribution of some myocardial post-infarction ruptures
Disciplines Medicina
Paraules clau: Diagnóstico,
Sistema cardiovascular,
Infarto agudo del miocardio,
Ruptura cardíaca,
Banda miocárdica,
Ecocardiografía
Keyword: Medicine,
Cardiovascular system,
Diagnosis,
Acute myocardial infarction,
Cardiac rupture,
Myocardial band,
Echocardiography
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