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OBJECTIVES The Atrial Therapy Efficacy and Safety Trial (ATTEST) was a prospective, randomized study to evaluate preventive pacing and antitachycardia pacing (ATP) in patients with symptomatic atrial fibrillation (AF) or atrial tachycardia (AT). BACKGROUND The effect of the combination of atrial prevention and termination algorithms on AT/AF burden and(More)
The effects of acute amiodarone infusion on dynamics of ventricular fibrillation (VF) are unclear. Six isolated swine right ventricles (RVs) were studied in vitro. Activation patterns during VF were mapped optically, whereas action potentials were recorded with a glass microelectrode. At baseline, VF was associated with frequent spontaneous wave breaks.(More)
No or slow reflow following percutaneous coronary intervention (PCI), despite the presence of a patent epicardial vessel, is a serious complication resulting in increased morbidity and mortality. In the present study, we have evaluated the combination therapy of adenosine and sodium nitroprusside administered as sequential intracoronary (IC) boluses on(More)
We evaluated the immediate and intermediate follow-up results of transcatheter closure (TCC) of patent ductus arteriosus (PDA) using Gianturco coils in children weighing < 10 kg. The results of PDA < or = 2.5 mm (group I, n = 18) and > 2.5 mm (group II, n = 16) were compared. Coils were deployed sequentially by transarterial route using a temporary balloon(More)
INTRODUCTION Idiopathic ventricular tachycardia (VT) typically has a single morphology originating either in the right ventricular outflow tract (RVOT) or near the posterior fascicle of the left ventricle (LV) in most instances. We present our observations in six patients with idiopathic VT in whom two morphologies were present. METHODS AND RESULTS Of 55(More)
OBJECTIVE Paroxysmal supraventricular tachycardia (PSVT) can be effectively terminated by the intravenous administration of adenosine or verapamil. However adenosine is expensive and injectable verapamil currently is scarcely available. While intravenous diltiazem has been shown to be useful for terminating PSVT, the efficacy of esmolol in this regard has(More)
OBJECTIVE To find out whether the addition of fenofibrate to statin monotherapy produced any synergistic or additive beneficial effects in reducing risk factors, especially plasma fibrinogen, in patients with acute coronary syndrome (ACS) requiring percutaneous coronary interventions. METHODS A randomized, non-blinded, prospective study with parallel(More)
Machine-pulled high-impedance glass capillary microelectrode is standard for transmembrane potential (TMP) recordings. However, it is fragile and difficult to impale, especially in beating myocardial tissues. We hypothesize that a high-impedance pure iridium metal electrode can be used as an alternative to the glass microelectrode for TMP recording. The(More)