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isquemia miocardica

Esbeidira Aranet Arroyo-Martínez, Alejandra Meaney, Gabriela Gutiérrez-Salmeán, Juan Miguel Rivera-Capello, Vidal González-Coronado, Alejandro Alcocer-Chauvet, Genaro Castillo, Nayelli Nájera, Guillermo Ceballos, Eduardo Meaney
BACKGROUND: Remote ischemic preconditioning (RIPC) represents an attractive therapy for myocardial protection, particularly when ischemic events can be anticipated. Although several hypothetic mechanisms have been proposed, no definite molecular pathways have been elucidated. OBJECTIVE: We evaluated the effect of brachial circulation cuff occlusion on myocardial ischemic tolerance, necrosis, and nitric oxide (NO) in patients with ischemic heart disease undergoing elective percutaneous coronary interventions (PCI)...
August 2016: Arquivos Brasileiros de Cardiologia
Mara Graziele Maciel Silveira, Antônio Carlos Sobral Sousa, Marcos Antônio Almeida Santos, Irlaneide da Silva Tavares, Stephanie Macedo Andrade, Luiza Dantas Melo, Loren Suyane Oliveira de Andrade, Emmanuel Lima Almeida Santos, Joselina Luzia Menezes Oliveira
BACKGROUND: Physical stress echocardiography is an established methodology for diagnosis and risk stratification of coronary artery disease in patients with physical capacity. In obese (body mass index ≥ 30 kg/m2) the usefulness of pharmacological stress echocardiography has been demonstrated; however, has not been reported the use of physical stress echocardiography in this growing population group. OBJECTIVE: To assess the frequency of myocardial ischemia in obese and non-obese patients undergoing physical stress echocardiography and compare their clinical and echocardiographic differences...
May 2015: Arquivos Brasileiros de Cardiologia
Ana Carla Pereira de Araujo, Bruno F de Oliveira Santos, Flavia Ricci Calasans, Ibraim M Francisco Pinto, Daniel Pio de Oliveira, Luiza Dantas Melo, Stephanie Macedo Andrade, Irlaneide da Silva Tavares, Antonio Carlos Sobral Sousa, Joselina Luzia Menezes Oliveira
Background: Studies have demonstrated the diagnostic accuracy and prognostic value of physical stress echocardiography in coronary artery disease. However, the prediction of mortality and major cardiac events in patients with exercise test positive for myocardial ischemia is limited. Objective: To evaluate the effectiveness of physical stress echocardiography in the prediction of mortality and major cardiac events in patients with exercise test positive for myocardial ischemia. Methods: This is a retrospective cohort in which 866 consecutive patients with exercise test positive for myocardial ischemia, and who underwent physical stress echocardiography were studied...
October 28, 2014: Arquivos Brasileiros de Cardiologia
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