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isquemia heart disease

Sahar Askari, Alireza Imani, Hamidreza Sadeghipour, Mahdieh Faghihi, Zohreh Edalatyzadeh, Samira Choopani, Nasser Karimi, Sulail Fatima
Background: Cardiovascular diseases are the leading cause of mortality and long-term disability worldwide. Various studies have suggested a protective effect of lactation in reducing the risk of cardiovascular diseases. Objective: This study was designed to assess the effects of pregnancy and lactation on the vulnerability of the myocardium to an ischemic insult. Methods: Eighteen female rats were randomly divided into three groups: ischemia-reperfusion (IR), in which the hearts of virgin rats underwent IR (n = 6); lactating, in which the rats nursed their pups for 3 weeks and the maternal hearts were then submitted to IR (n = 6); and non-lactating, in which the pups were separated after birth and the maternal hearts were submitted to IR (n = 6)...
May 2017: Arquivos Brasileiros de Cardiologia
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
C León-Jiménez, J L Ruiz-Sandoval, E Chiquete, M Vega-Arroyo, A Arauz, L M Murillo-Bonilla, A Ochoa-Guzmán, K Carrillo-Loza, A Ramos-Moreno, F Barinagarrementeria, C Cantú-Brito
INTRODUCTION: Information regarding hospital arrival times after acute ischaemic stroke (AIS) has mainly been gathered from countries with specialised stroke units. Little data from emerging nations is available. We aim to identify factors associated with achieving hospital arrival times of less than 1, 3, and 6 hours, and analyse how arrival times are related to functional outcomes after AIS. METHODS: We analysed data from patients with AIS included in the PREMIER study (Primer Registro Mexicano de Isquemia Cerebral) which defined time from symptom onset to hospital arrival...
May 2014: Neurología: Publicación Oficial de la Sociedad Española de Neurología
B Tarazona, W Ramos, J Arce, J Yarinsueca, S Morales, G Ronceros, C Galarza, J Pérez
INTRODUCTION: To determinate the etiology and risk factors for a first episode of cerebral ischemia in young adults at three hospitals of Lima and Callao-Peru. METHODS: Multicentric study carried out at three national hospitals in Lima. The sample included 30 patients with a first episode of stroke and 60 controls matched by age and sex 2:1 with the patients. Serum biochemistry studies, EKGs and echocardiograms were done. Etiologies were classified based on the classification of Baltimore-Washington Cooperative Young Stroke Study...
October 2010: Neurología: Publicación Oficial de la Sociedad Española de Neurología
A Romero Cárdenas, J Vargas Barrón, A Alamón García, M Guzmán Herrera, C Hernández Herrera, N Espinola Zavaleta, M Rijlaarsdam, M Ram-irez, M Morelos Guzmán, P Gutiérrez Fajardo
Myocardial isquemia prolongs ventricular relaxation. The purpose of this study was to assess the isovolumetric relaxation time of the left ventricle (IVRT) as a parameter of global ventricular relaxation, during the administration of Dipyridamol or Dobutamine intravenously. We studied 58 patients with ischemic heart disease uncovered by the administration of pharmacological agents. They were divided in two groups: 22 patients in the group of Dipyridamole, which was administered intravenously at a dose of 0...
September 1995: Archivos del Instituto de Cardiología de México
R Blandón, I M Leandro, M Altafulla, R Díaz Fernández
One hundred and sixty four (164) patients were evaluated. Sixty (60) with Sickle cell disease (SSHg.) and ninety seven (97) with Trait (ASHg.); seventeen (17) were normal control group. The study confirmed that the incidence of cardiomyopathy in Trait (ASHg.) is greater than reported by other clinical investigations. Cardiac arrhythmia, atrial fibrillation, premature ventricular contractions, bundle branch blocks, and T and ST modifications with sub epicardial isquemia were most significant electrocardiographics changes...
May 1991: Revista Médica de Panamá
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