Sivasankaran Sivasubramonian

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BACKGROUND Congenital coronary arteriovenous fistulas (CAVF), although rare, can present as significant hemodynamic lesions necessitating intervention. METHODS AND RESULTS Six patients (two males) with congenital coronary arteriovenous fistulas (CAVF) underwent percutaneous transcatheter occlusion. The ages ranged from 4 years to 49 years (mean 20.1(More)
AIM To compare the results of percutaneous mitral valvuloplasty (BMV) for mitral restenosis in post-BMV versus postclosed mitral valvotomy (CMV) patients. METHODS AND RESULTS Ninety-two patients who underwent BMV for mitral restenosis were followed up prospectively. Of these, 28 patients had undergone previous percutaneous mitral valvuloplasty (PRIOR BMV)(More)
BACKGROUND The triple lumen Inoue balloon is routinely used for balloon mitral valvotomy (BMV) in India. Its major limitation is the high cost. The double lumen Accura balloon is less expensive, making it an attractive alternative in the developing countries. The study was meant to assess the safety, efficacy and midterm results of Accura balloon with(More)
BACKGROUND The purpose of this study was to examine the influence of atrial fibrillation (AF) on the immediate and long-term outcome of patients undergoing balloon mitral valvotomy (BMV). HYPOTHESIS Patients with atrial fibrillation fair poorly after balloon mitral valvotomy. METHODS There were a total of 818 consecutive patients who underwent elective(More)
A 7-month-old boy was admitted for the device closure of symptomatic patent ductus arteriosus (PDA) with moderate pulmonary hypertension. The PDA measured 4.2 mm with adequate ampulla. It was closed with an 8-6 mm Heart R device from pulmonary artery (PA) end. Post extubation, the device embolized to proximal descending thoracic aorta just distal to PDA(More)
BACKGROUND Right ventricular (RV) dysfunction after surgical repair of Tetralogy of Fallot (TOF) is often asymptomatic and may be detected by tissue Doppler imaging (TDI). The severity of RV dysfunction is more after intracardiac repair with transannular patch (TAP). METHODS One hundred seventy-three adult patients who have undergone surgical repair for(More)
BACKGROUND Recognizing patterns of coronary heart disease (CHD) risk in families helps to identify and target individuals who may have the most to gain from preventive interventions. The overall goal of the study is to test the effectiveness and sustainability of an integrated care model for managing cardiovascular risk in high risk families. The proposed(More)
A 42-year-old man presented with congestive heart failure and atrial fibrillation. He had been diagnosed with endomyocardial fibrosis 8 years earlier and was stable on diuretics. He had congested neck veins, pedal edema, and massive ascites and a loud third heart sound. ECG confirmed atrial fibrillation. The chest radiograph showed massive cardiomegaly with(More)
A 55-year-old female presented with worsening dyspnea secondary to left ventricular endomyocardial fibrosis (EMF). Obliteration of left ventricular apex and hypertrophied papillary muscle gave the classical appearance of a "doughnut" on left ventricular angiography. We present here a novel doughnut appearance of left ventricle on angiogram.