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1.
Vestn Ross Akad Med Nauk ; (12): 42-6, 2009.
Artigo em Russo | MEDLINE | ID: mdl-20143554

RESUMO

Intracoronary shunts (IS) are devices for maintaining distal coronary blood flow when placing anastomoses with coronary arteries. The use of IS ensures functional and electrical stability of myocardium during its revascularization on the working heart. There are reports of endothelial damage by IS leading to dysfunction of coronary shunts. This study compares 208 patients with and without IS. Results of surgery were evaluated during hospitalization period. The groups were matched for initial clinical and instrumental characteristics and the number of shunt placements. It was shown that minimally invasive myocardial revascularization with the use of IS when placing distal anastomoses has a number of advantages over similar surgery without IS, viz. smaller degree of intraoperative myocardial lesion, blood loss, and frequency of postoperative complications along with enhanced stability of intraoperative hemodynamics.


Assuntos
Doença da Artéria Coronariana/cirurgia , Procedimentos Cirúrgicos Minimamente Invasivos/métodos , Revascularização Miocárdica/instrumentação , Stents , Angiografia Coronária , Doença da Artéria Coronariana/diagnóstico por imagem , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Desenho de Prótese , Estudos Retrospectivos , Resultado do Tratamento
5.
Kardiologiia ; 32(11-12): 46-9, 1992.
Artigo em Russo | MEDLINE | ID: mdl-1297879

RESUMO

Sixteen patients with the X syndrome underwent thallium-201 myocardial scintigraphy. Eleven patients with one-coronary artery disease served as a control group. During bicycle ergometry all the 16 patients showed various degrees of local myocardial perfusion impairments. The foci were located in the basins of various coronary vessels. Impaired myocardial perfusion in patients with the X syndrome was similar to that in patients with moderate, but hemodynamically significant stenosis of a coronary artery. At the same time the impairments were significantly less pronounced than in those with critical stenosis of a coronary artery. Thus, patients with the X syndrome have not only clinical signs of coronary heart disease (anginal episodes), but they also have marked myocardial perfusion impairments during exercise.


Assuntos
Circulação Coronária , Teste de Esforço , Isquemia Miocárdica/fisiopatologia , Função Ventricular Esquerda , Adulto , Angina Pectoris/diagnóstico por imagem , Angina Pectoris/fisiopatologia , Doença das Coronárias/diagnóstico por imagem , Doença das Coronárias/fisiopatologia , Humanos , Masculino , Pessoa de Meia-Idade , Isquemia Miocárdica/diagnóstico por imagem , Cintilografia , Síndrome , Radioisótopos de Tálio
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