Publications by authors named "Hammad Ali Qazi"

Background: Research on factors associated with dialysis withdrawal is scarce. This study examined the predictors that might influence rate of dialysis withdrawal. Existing literature is summarized, analyzed and synthesized to identify gaps in the literature with regard to the factors associated with dialysis withdrawal.

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The childhood obesity has been a growing concern over the last decade all over the world. Built environmental characteristics such as parks and playgrounds serves as a reference point for physical activity in children. The equality issues related to ethnicity, Social Economic Status (SES), gender and social support have been related with both physical activity and presence and quality of parks and playgrounds.

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Objective: To determine the prevalence of coronary artery disease in patients undergoing valve surgery at a tertiary care cardiac centre.

Methods: The medical records of 144 consecutive patients who underwent mitral, aortic or dual (mitral and aortic) valve replacement surgery at the Tabba Heart Institue between January 2006 to December 2008 were retrospectively reviewed. All patients underwent coronary angiogram.

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An estimated 150-200 million people worldwide are infected with hepatitis C. Prevalence is higher in some countries in Asia and Africa. Only limited information about the epidemiology of Hepatitis C Virus (HCV) infection especially in females is available.

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Objective: To determine the doppler derived mean gradients of St Jude mechanical prosthesis in early postoperative period in patients undergoing valve replacement at a tertiary care cardiac centre.

Methods: Medical records of 190 consecutive patients who underwent 233 mitral, aortic or dual (mitral and aortic) valve replacement by St Jude bileaflet mechanical prosthesis at Tabba Heart Institute, between March 2006 to December 2008 were reviewed. Doppler derived mean gradients were assessed predischarge and recorded.

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Objective: To determine the association of prolonged ST segment depression after an exercise test with severity of coronary artery disease.

Methods: A cross sectional study of 100 consecutive patients referred to the cardiology laboratory for stress myocardial perfusion imaging (MPI) conducted between April-August 2008. All selected patients were monitored until their ST segment depression was recovered to baseline.

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We are reporting the case of a 48-year-old man hypertensive, and smoker presenting with acute inferoposterior ST elevation myocardial infarction (STEMI) with right ventricular infarction. He underwent diagnostic angiogram which revealed total occlusion of mid right coronary artery (RCA) by thrombus. Multiple runs of aspiration were performed using Export Aspiration Catheter-6F and thrombus was aspirated from RCA.

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Objective: To determine the serum levels of troponin-I in identifying left ventricular ejection fraction (LVEF) of
Study Design: Case series.

Place And Duration Of Study: At the Tabba Heart Institute, Karachi, from May to November 2008.

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