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	Provedor de dados BJMBR (4) Autor Ribeiro,J.P. (4) Assis,A.V. (1) Castro,R.R.T. (1) Collaço,J. (1) Comerlato,L. (1) Ferlin,E. (1) Fernandes,T.G. (1) Herdy,A.H. (1) Irigoyen,M.C. (1) Liberman,A. (1) Maeda,C.Y. (1) Manfro,R.C. (1) Medeiros,S. (1) Moraes,R.S. (1) Moritz,P. (1) Nóbrega,A.C.L. (1) Randon,R.B. (1) Ribeiro,F. (1) Rohde,L.E. (1) Schaan,B.D. (1) Mais... Palavra-chave Autonomic nervous system (2) Anaerobic threshold (1) Cardiac electrophysiology (1) Cardiovascular disease (1) Cholinesterase inhibitors (1) Diabetes mellitus (1) Echocardiography (1) End-stage renal failure (1) Heart failure (1) Insulin (1) Left ventricular diastolic function (1) Left ventricular ejection fraction (1) Left ventricular hypertrophy (1) Parasympathetic nervous system (1) Parathyroid hormone (1) Pyridostigmine bromide (1) Radionuclide ventriculography (1) Streptozotocin (1) Mais... Tipo do documento Info:eu-repo/semantics/article (4) Ano 2010 (1) 2007 (1) 2005 (1) 1997 (1) País Brazil (4) Idioma Inglês (4)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 4 Primeira ... 1 ... Última Abnormal response of left ventricular systolic function to submaximal exercise in post-partial left ventriculotomy patients BJMBR Herdy,A.H.; Moritz,P.; Assis,A.V.; Ribeiro,F.; Collaço,J.; Ribeiro,J.P.. Patients with heart failure who have undergone partial left ventriculotomy improve resting left ventricular systolic function, but have limited functional capacity. We studied systolic and diastolic left ventricular function at rest and during submaximal exercise in patients with previous partial left ventriculotomy and in patients with heart failure who had not been operated, matched for maximal and submaximal exercise capacity. Nine patients with heart failure previously submitted to partial left ventriculotomy were compared with 9 patients with heart failure who had not been operated. All patients performed a cardiopulmonary exercise test with measurement of peak oxygen uptake and anaerobic threshold. Radionuclide left ventriculography was performed to... Tipo: Info:eu-repo/semantics/article Palavras-chave: Heart failure; Radionuclide ventriculography; Anaerobic threshold; Left ventricular diastolic function; Left ventricular ejection fraction. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2007000200002 Acute electrophysiologic consequences of pyridostigmine inhibition of cholinesterase in humans BJMBR Zimerman,L.I.; Liberman,A.; Castro,R.R.T.; Ribeiro,J.P.; Nóbrega,A.C.L.. The cardiovascular electrophysiologic basis for the action of pyridostigmine, an acetylcholinesterase inhibitor, has not been investigated. The objective of the present study was to determine the cardiac electrophysiologic effects of a single dose of pyridostigmine bromide in an open-label, quasi-experimental protocol. Fifteen patients who had been indicated for diagnostic cardiac electrophysiologic study underwent two studies just before and 90-120 min after the oral administration of pyridostigmine (45 mg). Pyridostigmine was well tolerated by all patients. Wenckebach nodal anterograde atrioventricular point and basic cycle were not altered by pyridostigmine. Sinus recovery time (ms) was shorter during a 500-ms cycle stimulation (pre: 326 ± 45 vs post:... Tipo: Info:eu-repo/semantics/article Palavras-chave: Cardiac electrophysiology; Parasympathetic nervous system; Cholinesterase inhibitors; Cardiovascular disease; Pyridostigmine bromide; Autonomic nervous system. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010000200013 The role of secondary hyperparathyroidism in left ventricular hypertrophy of patients under chronic hemodialysis BJMBR Randon,R.B.; Rohde,L.E.; Comerlato,L.; Ribeiro,J.P.; Manfro,R.C.. End-stage renal disease (ESRD) patients frequently develop structural cardiac abnormalities, particularly left ventricular hypertrophy (LVH). The mechanisms involved in these processes are not completely understood. In the present study, we evaluated a possible association between parathyroid hormone (PTH) levels and left ventricular mass (LVM) in patients with ESRD. Stable uremic patients on intermittent hemodialysis treatment were evaluated by standard two-dimensional echocardiography and their sera were analyzed for intact PTH. Forty-one patients (mean age 45 years, range 18 to 61 years), 61% males, who had been on hemodialysis for 3 to 186 months, were evaluated. Patients were stratified into 3 groups according to serum PTH: low levels (<100 pg/ml;... Tipo: Info:eu-repo/semantics/article Palavras-chave: End-stage renal failure; Parathyroid hormone; Echocardiography; Left ventricular hypertrophy. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2005000900016 Time course of changes in heart rate and blood pressure variability in streptozotocin-induced diabetic rats treated with insulin BJMBR Schaan,B.D.; Maeda,C.Y.; Timm,H.B.; Medeiros,S.; Moraes,R.S.; Ferlin,E.; Fernandes,T.G.; Ribeiro,J.P.; Schmid,H.; Irigoyen,M.C.. Autonomic neuropathy is a frequent complication of diabetes associated with higher morbidity and mortality in symptomatic patients, possibly because it affects autonomic regulation of the sinus node, reducing heart rate (HR) variability which predisposes to fatal arrhythmias. We evaluated the time course of arterial pressure and HR and indirectly of autonomic function (by evaluation of mean arterial pressure (MAP) variability) in rats (164.5 ± 1.7 g) 7, 14, 30 and 120 days after streptozotocin (STZ) injection, treated with insulin, using measurements of arterial pressure, HR and MAP variability. HR variability was evaluated by the standard deviation of RR intervals (SDNN) and root mean square of successive difference of RR intervals (RMSSD). MAP... Tipo: Info:eu-repo/semantics/article Palavras-chave: Diabetes mellitus; Streptozotocin; Insulin; Autonomic nervous system. Ano: 1997 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997000900006 Registros recuperados: 4 Primeira ... 1 ... Última

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