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The authors of the article studied potential of various drug combinations (atenolol + enalapril + indapamide, and celanid + enalapril + indapamide) in complex treatment of patients with heart failure (HF) and supraventricular arrhythmias. The subjects were 106 patients, of whom 74 had coronary heart disease, of whom 51 had old myocardial infarction, and 18 had undergone coronary artery bypass grafting. Dilatation cardiomyopathy was found in 8, aortomitral valvular disease--in 18, and combined mitral valvular disease--in 6 patients.
View Article and Find Full Text PDFDigitalis restores the forearm sympathetic response to cardiopulmonary receptor unloading in hypertensive patients with left ventricular hypertrophy.
J Hypertens
December 1993
Department of Internal Medicine, School of Medicine, Federico II University, Naples, Italy.
Objective: To investigate whether the impaired reflex response to cardiopulmonary baroreceptor unloading in hypertensive patients with left ventricular hypertrophy can be promptly improved by a pharmacological challenge. For this purpose we studied the effects of acute digitalis administration on cardiopulmonary baroreflex, evaluated by forearm noradrenaline spillover.
Methods: Eleven hypertensives with left ventricular hypertrophy and 10 age- and sex-matched normotensives underwent the application of -5 and -10 mmHg lower-body negative pressure (LBNP) before and after the administration of digitalis.
Prolonged duration of myocardial ischemia in patients with coronary heart disease and impaired cardiopulmonary baroreceptor sensitivity.
Circulation
June 1990
Clinica Medica, II. Facoltà di Medicina, University of Naples, Italy.
To investigate the potential contribution of cardiopulmonary reflexes in myocardial ischemia, the coronary vascular response to cardiopulmonary baroreceptor unloading and the number and the duration of spontaneous episodes of symptomatic and asymptomatic myocardial ischemia were evaluated in 23 patients with coronary heart disease. Lower-body negative pressure at -10 mm Hg, which causes selective deactivation of cardiopulmonary receptors, reduced left ventricular filling pressure in all patients, but calculated coronary vascular resistance increased in only 14 patients (from 0.846 +/- 0.
View Article and Find Full Text PDFSeveral studies in animals and in man have suggested that the inhibitory influence of baroreceptors on heart rate and peripheral circulation is enhanced by digitalis. Because the atrio-ventricular node represents a key site for the clinical action of digitalis we studied how baroreceptor control of atrio-ventricular conduction is modified by digitalis at therapeutical doses. In eight subjects heart rate was kept constant by atrial pacing to assess neural influences on atrio-ventricular conduction rate without the modifications caused by simultaneous changes in cardiac cycle length.
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