The signal-averaged electrocardiogram of atrial activation in patients with or without paroxysmal atrial fibrillation.

abstract：BACKGROUND:By reducing the specificity associated with loss of information, the influence of attenuation of the breasts is very important in myocardial perfusion studies. However, although several studies have been conducted over the past years, little has been developed to determine accurately the influence of the cha...

journal_title：Arquivos brasileiros de cardiologia

authors： Oliveira A,Meguerian BA,Mesquita CT

更新日期：2011-01-01 00:00:00

abstract：BACKGROUND:Considering the potential deleterious effects of right ventricular (RV) pacing, the hypothesis of this study is that isolated left ventricular (LV) pacing through the coronary sinus is safe and may provide better clinical and echocardiographic benefits to patients with bradyarrhythmias and normal ventricular...

journal_title：Arquivos brasileiros de cardiologia

authors： Crevelari ES,Silva KRD,Albertini CMM,Vieira MLC,Martinelli Filho M,Costa R

更新日期：2019-04-01 00:00:00

abstract：BACKGROUND:Several studies have demonstrated clinical benefits of fish consumption for the cardiovascular system. These effects are attributed to the increased amounts of polyunsaturated fatty acids in these foods. However, the concentrations of fatty acids may vary according to region. OBJECTIVE:The goal of this stud...

journal_title：Arquivos brasileiros de cardiologia

authors： Scherr C,Gagliardi AC,Miname MH,Santos RD

更新日期：2015-02-01 00:00:00

abstract：:The aim of this paper is to review clinical and laboratory features of this unusual pathology and its complications, indicating transcatheter embolization as a first choice for its management. Our case report is of a seven year-old child, with complex pulmonary arteriovenous fistula of the anterior segment of right su...

journal_title：Arquivos brasileiros de cardiologia

authors： de Melo JC,de Araújo AP,Monteiro Eda S,Rongel EB,Felipe H,Ferreira MC,Tavares W,Medeiros R

更新日期：1989-07-01 00:00:00

abstract：:A 17-year-old woman with mitral and tricuspid valve prolapse and myxomatous degeneration presented puerperal infection by Staphylococcus aureus with clinical picture of sepsis and multiple septic embolism (right eye, left thumb, spleen, and left calf). She underwent total hysterectomy on the 10th day postdelivery and ...

journal_title：Arquivos brasileiros de cardiologia

authors： Pereira Mde B,Timerman S,Timerman A,Negrisoli AL,Bub RF,Smith MR,Akamine N,Aun R,Knobel E

更新日期：1990-12-01 00:00:00

abstract：:A 79-year-old woman developed myocardial infarction associated with acute pulmonary edema. The electrocardiogram recorded QRS complex of QS type in V1 with upper ST extending from V3R to V6R. The polarity of the P wave in bipolar leads was positive, so compatible with dextrorotation complicated by myocardial infarctio...

journal_title：Arquivos brasileiros de cardiologia

authors： Albanesi Filho FM,Ginefra P,Magalhães ME,de Albuquerque DC

更新日期：1992-07-01 00:00:00

abstract：OBJECTIVE:To determine the prevalence of coronary artery disease (CAD) risk factors (RF) and myocardial ischemia in a sample of asymptomatic diabetic patients treated on an outpatient basis. METHODS:From 80 type 2 diabetic patients initially recruited at an university outpatient endocrinology clinic, with no symptoms ...

journal_title：Arquivos brasileiros de cardiologia

authors： Monteiro Fd Jr,Cunha Fda S,Salgado Filho N,Barbosa JB,Furtado JR,Ferreira PA,Nina V,Lages J,Santana N

更新日期：2007-11-01 00:00:00

abstract：OBJECTIVE:To study electrophysiological characteristics that enable the identification and ablation of sites of chagasic tachycardia. METHODS:Thirty-one patients with chronic Chagas' heart disease and sustained ventricular tachycardia (SVT) underwent electrophysiological study to map and ablate that arrhythmia. Fiftee...

journal_title：Arquivos brasileiros de cardiologia

authors： Távora MZ,Mehta N,Silva RM,Gondim FA,Hara VM,de Paola AA

更新日期：1999-04-01 00:00:00

abstract：BACKGROUND:Stress is associated with cardiovascular diseases. OBJECTIVE:This study aimed at assessing whether chronic stress induces vascular alterations, and whether these modulations are nitric oxide (NO) and Ca(2+) dependent. METHODS:Wistar rats, 30 days of age, were separated into 2 groups: control (C) and Stress...

journal_title：Arquivos brasileiros de cardiologia

authors： Bruder-Nascimento T,Campos DH,Cicogna AC,Cordellini S

更新日期：2015-03-01 00:00:00

abstract：:The risk scores used as assistance agents in valve diseases are validated worldwide; however, the data are not homogeneous. The epidemiological characteristics of each population require local validation of these risk tools. The percutaneous valve replacement, which is a reality in valvular diseases (especially aortic...

journal_title：Arquivos brasileiros de cardiologia

authors： Casalino R,Tarassoutchi F

更新日期：2012-05-01 00:00:00

abstract：:We report new percutaneous techniques for perforating the pulmonary valve in pulmonary atresia with intact ventricular septum, in 3 newborns who had this birth defect. There was mild to moderate hypoplastic right ventricle, a patent infundibulum, and no coronary-cavitary communications. We succeeded in all cases, and ...

journal_title：Arquivos brasileiros de cardiologia

authors： Pedra CA,de Sousa LN,Pedra SR,Ferreira WP,Braga SL,Esteves CA,Santana MV,Sousa JE,Fontes VF

更新日期：2001-11-01 00:00:00

abstract：:We describe the treatment of a patient presenting with very-late stent thrombosis with the use of a drug-coated balloon. In this patient, optical coherence tomography disclosed that ruptured and complicated neoatherosclerosis was the underlying substrate responsible for the episode of very-late stent thrombosis. The p...

journal_title：Arquivos brasileiros de cardiologia

authors： Alfonso F,Bastante T,Cuesta J,Benedicto A,Rivero F

更新日期：2016-06-01 00:00:00

abstract：OBJECTIVE:We determined the effects of losartan and PD 123319 (antagonists of the AT1 and AT2 angiotensin receptors, respectively), and [Sar1, Ala8] ANG II (a relatively peptide antagonist of angiotensin receptors) injected into the paraventricular nucleus (PVN) on water and 3% NaCl intake, and the diuretic, natriureti...

journal_title：Arquivos brasileiros de cardiologia

authors： Saad WA,Camargo LA

更新日期：2003-04-01 00:00:00

abstract：PURPOSE:To identify the principal forms of cardiac amiloydosis presentation in a terciary hospital. METHODS:Eight cases with cardiac amyloidosis were identified. Five were women, their ages ranged from 23 to 83 years (mean 62). After a medical history and clinical examination the patients were submitted to complementa...

journal_title：Arquivos brasileiros de cardiologia

authors： Barretto AC,Precoma D,Serro-Azul JB,Wajngarten M,Pierri H,Pivotto L,Nussbacher A,Gebara OC,Bellotti G

更新日期：1997-08-01 00:00:00

abstract：OBJECTIVE:Based on the analysis of indicators which express the rationale of the actions of the program, we developed a cross-sectional study to assess the performance of a Family Healthcare Team as regards the care provided to individuals with arterial hypertension living in a small municipality. METHODS:The study ca...

journal_title：Arquivos brasileiros de cardiologia

authors： de Sousa LB,de Souza RK,Scochi MJ

更新日期：2006-10-01 00:00:00

abstract：:Drug intoxication with disulfiram is a rare condition that may lead to severe and potentially fatal cardiovascular manifestations such as cardiogenic shock. We report the case of a female patient with refractory shock after deliberate self-poisoning with disulfiram. Clinical, biochemical and echocardiographic assessme...

journal_title：Arquivos brasileiros de cardiologia

authors： Jerónimo A,Meira C,Amaro A,Campello GC,Granja C

更新日期：2009-03-01 00:00:00

abstract：BACKGROUND:Intestinal ischemia-reperfusion is a frequent clinical event associated to injury in distant organs, especially the heart. OBJECTIVE:To investigate the gene expression of oxidative stress and antioxidant defense in the heart of inbred mice subjected to intestinal ischemia and reperfusion (IR). METHODS:Twel...

journal_title：Arquivos brasileiros de cardiologia

authors： Somaio Neto F,Ikejiri AT,Bertoletto PR,Chaves JC,Teruya R,Fagundes DJ,Taha MO

更新日期：2014-02-01 00:00:00

abstract：OBJECTIVE:Lupus anticoagulant and anticardiolipin antibodies (aCL) have been associated with thrombosis, recurrent abortion, and thrombocytopenia in patients with systemic lupus erythematosus (SLE), but their relationship with cardiac disease is less clear. The purpose of this study was to evaluate the association betw...

journal_title：Arquivos brasileiros de cardiologia

authors： Falcao CA,Alves IC,Chahade WH,Duarte AL,Lucena-Silva N

更新日期：2002-09-01 00:00:00

abstract：PURPOSE:To study anatomical limitation of coronary angioplasty, as alternative therapy in patients with multivessel disease and submitted to bypass surgery. METHODS:In 380 patients with multivessel disease and submitted to previous coronary bypass surgery, age ranged from 41 to 72 (average = 51) years, being 68% males...

journal_title：Arquivos brasileiros de cardiologia

authors： Pimentel Filho WA,Ascer E,Buchler JR,de Assis SF,Hirschfeld R,Soares Neto MM,Neves MF,Pinheiro LF,Araújo EC,Armelin E

更新日期：1992-01-01 00:00:00

abstract：BACKGROUND:In hypertrophic cardiomyopathy (HCM), interstitial myocardial fibrosis is an important histological modification that has been associated with sudden death and evolution toward myocardial dilation. OBJECTIVE:To prospectively evaluate the prognostic value of the collagen volume fraction in HCM. METHODS:An e...

journal_title：Arquivos brasileiros de cardiologia

authors： Arteaga E,de Araújo AQ,Bernstein M,Ramires FJ,Ianni BM,Fernandes F,Mady C

更新日期：2009-03-01 00:00:00

abstract：BACKGROUND:Sleep apneas are frequent in patients with heart failure (HF). Estimate of the pre-beta blocker age (BB) point out to 45% of central apneas in these patients. OBJECTIVE:Assess the influence of BB in central apneas and their interference in the quality of sleep and life of patients with heart failure. METHO...

journal_title：Arquivos brasileiros de cardiologia

authors： Silva CP,Lorenzi-Filho G,Marcondes B,Osmundo G Jr,Mangini S,Freitas AF Jr,Pires PV,Bocchi EA,Bacal F

更新日期：2010-02-01 00:00:00

abstract：BACKGROUND:Ischemic preconditioning is a method that prepares and protects cells to tolerate a long period of ischemia with the least possible injury. OBJECTIVES:Evaluate the influence of ischemic preconditioning over left ventricular function during off-pump myocardial revascularization. METHOD:Forty patients with c...

journal_title：Arquivos brasileiros de cardiologia

authors： Succi JE,Gerola LR,Succi GM,Almeida RA,Novais LS,Rocha B

更新日期：2010-03-01 00:00:00

abstract：OBJECTIVE:To study the factors associated with the risk of in-hospital death in acute myocardial infarction in the Brazilian public health system in Rio de Janeiro, Brazil. METHODS:Sectional study of a sample with 391 randomly drawn medical records of the hospitalizations due to acute myocardial infarction recorded in...

journal_title：Arquivos brasileiros de cardiologia

authors： Escosteguy CC,Portela MC,Medronho Rde A,de Vasconcellos MT

更新日期：2003-06-01 00:00:00

abstract：OBJECTIVE:To describe a surgical procedure utilizing a malleable bovine pericardium ring in mitral valve repair and clinical and Doppler echocardiographic results. METHODS:Thirty-two (25 female and 7 male) patients, aged between 9 and 66 (M=36.4+/-17.2) years, were studied over a 16-month period, with 100% follow-up. ...

journal_title：Arquivos brasileiros de cardiologia

authors： Volpe MA,Braile DM,Vieira RW,Souza DR

更新日期：2000-11-01 00:00:00

abstract：BACKGROUND:The complexity of reentrant circuits related to ventricular tachycardias decreases the success rate of radiofrequency ablation procedures. OBJECTIVE:To evaluate whether the epicardial mapping with multiple electrodes carried out simultaneously with the endocardial mapping helps in ablation procedures of sus...

journal_title：Arquivos brasileiros de cardiologia

authors： Silva GG,Veloso HH,Leite LR,Farias RL,Paola AA

更新日期：2011-02-01 00:00:00

abstract：:Beginning with a patient presenting with an atrial septal defect (ASD) of the secundum type, the genealogy was identified in four affected individuals who belonged to three successive generations of the same family. The defects were visually confirmed in all individuals and were found to be anatomically similar. No ot...

journal_title：Arquivos brasileiros de cardiologia

authors： Ferreira C,Farah LM,Póvoa RM,Luna Filho B,Costa A,Ferreira Filho C

更新日期：1999-08-01 00:00:00

abstract：OBJECTIVE:To evaluate the association between cardiovascular risk factors and the anthropometric values--body mass index (BMI) and waist circumference (WC). METHODS:It was studied 231 employees of Federal University of Viçosa, Brazil, 54.1% of them were men (21-76 years old). Glycemia, total cholesterol, LDL, HDL, tri...

journal_title：Arquivos brasileiros de cardiologia

authors： Rezende FA,Rosado LE,Ribeiro Rde C,Vidigal Fde C,Vasques AC,Bonard IS,de Carvalho CR

更新日期：2006-12-01 00:00:00

abstract：BACKGROUND:Risk stratification of a syncopal episode is necessary to better differentiate patients needing hospitalization of those who can be safely set home from the emergency department. Currently there are no strict guidelines from our Brazilian medical societies to guide the cardiologist that evaluate patients in ...

journal_title：Arquivos brasileiros de cardiologia

authors： Fischer LM,Dutra JP,Mantovani A,Lima GG,Leiria TL

更新日期：2013-12-01 00:00:00

abstract：:We report the case of 22 year-old male who developed coronary artery disease two years after orthotopic cardiac transplantation, manifested as congestive heart failure NYHA functional class III. The left ventricular radioisotopic evaluation at rest revealed worsening of left ventricular ejection fraction from 50% to 3...

journal_title：Arquivos brasileiros de cardiologia

authors： Bocchi EA,Vilas-Boas F,Pedrosa AA,Bacal F,Fiorelli A,Ariê S,Stolf N,Bellotti G,Jatene A,Pileggi F

更新日期：1994-03-01 00:00:00

abstract：:The origin of the right pulmonary artery from the ascending aorta is a rare cogenital anomaly, with very few reports in the literature. We describe two cases of this rare malformation, one of them, associated with interruption of the aortic arch (type B). In both cases, the diagnosis was made by two-dimensional echoca...

journal_title：Arquivos brasileiros de cardiologia

authors： Rivera IR,Moisés VA,Silva CC,Leal SB,Maluf MA,Andrade JL,Carvalho AC

更新日期：1998-05-01 00:00:00