Publications by authors named "Totaro P"

To evaluate whether the identification of the different types of relations between premature ventricular contractions (PVCs) and the preceding sinus cycle length is capable of predicting the effect of beta-blockers on the PVCs themselves, 55 patients (43 men, 12 women, mean age 52.6 +/- 15.6 years) with different cardiac diseases, and >30 PVCs/hr characterized by stability and the same relation at two Holter monitoring periods were studied.

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The aim of this study was to evaluate the effect of nadolol in modifying the standard deviation of RR intervals (SDRR) and the coefficient of variance (CV) in 47 patients characterized by symptomatic, frequent (> 30 h-1) and reproducible premature ventricular contractions (PVCs). Sixteen patients had suffered a previous myocardial infarction (Group 1), 22 had various non-ischaemic cardiac diseases (Group 2) and nine had no heart disease (Group 3). All patients underwent two 24 h Holter recordings during the washout period, and a third Holter recording was taken 5 days after the administration of nadolol (80 mg.

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The aim of our study was to correlate betablocker effects on premature ventricular beats (PVBs) with different patterns between PVB frequency and cardiac cycle. The computer program we used correlates each PVB to the preceding cycle length in a 24-hour electrocardiogram recording. The arrhythmic patterns obtained were defined as tachycardia-dependent, indifferent and bradycardia-dependent.

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Electrophysiologic non-invasive transesophageal testing is compared to intracardiac study in the management of patients with Wolff-Parkinson-White (WPW) syndrome. Transesophageal study can be reliably used to identify the participation of the accessory pathway in reciprocating supraventricular tachycardia and to determine the anterograde conduction properties of the accessory pathway. Using the shortest pre-excited interval during induced atrial fibrillation, or programmed and continuous atrial transesophageal stimulation can markedly reduce the need of intracardiac evaluation.

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The Authors, in the period 1979-1988, discovered 175 ectopic pregnancies out of a total of 16.641 pregnancies: a rate of incidence of 1 in 95 (1.05%); 28 patients were fitted with an IUD.

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