Umair Syed Ahmed

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BACKGROUND & AIMS There is a paucity of data on the impact of hepatitis D virus (HDV) in patients with hepatitis B virus (HBV) infection from South Asia. We studied the impact of HDV co-infection on virological and clinical characteristics. METHODS We collected data of 480 patients with HBsAg positive and a detectable HBV DNA PCR, who presented to the Aga(More)
BACKGROUND Ascitic fluid infection (AFI) in cirrhotic patients has a high morbidity and mortality. It has two variants namely, spontaneous bacterial peritonitis (SBP) and culture negative neutrocytic ascites (CNNA). The aim of this study was to determine the outcome in cirrhotic patients with culture positive (SBP) and culture negative neutrocytic ascites.(More)
OBJECTIVE To determine precipitants of hepatic encephalopathy (HE) and their impact on hospital stay and mortality. STUDY DESIGN Cross-sectional, analytical study. PLACE AND DURATION OF STUDY The Aga Khan University Hospital, from January 2005 to December 2007. METHODOLOGY Consecutive patients admitted with different grades of HE were evaluated(More)
OBJECTIVE To determine the frequency and specific characteristic features of portal hypertensive gastropathy (PHG) in cirrhosis due to viral etiology. STUDY DESIGN Cross-sectional descriptive study. PLACE AND DURATION OF STUDY The Aga Khan University Hospital, Karachi, from June 2006 till June 2008. METHODOLOGY Patients with hepatitis B and C(More)
IgA nephropathy is the most common glomerulonephritis worldwide and typically has minimal signs for chronicity in histopathology at the time of initial presentation. Pseudotumor cerebri (PTC) is characterized by increased intracranial pressure in the absence of any intracranial lesions, inflammation, or obstruction. PTC has been reported in renal transplant(More)
BACKGROUND Chronic kidney disease is an increasingly prevalent health problem with the potential for poor outcome of end-stage renal disease. Hospitalized critically ill patients are prone to acute renal injury from numerous factors such as poor renal perfusion secondary to ischemia and hypotension, nephrotoxin exposure, and intravenous contrast exposure.(More)
Background. Uric acid can acutely activate various inflammatory transcription factors. Since high levels of oxyradicals and lower antioxidant levels in septic patients are believed to result in multiorgan failure, uric acid levels could be used as a marker of oxidative stress and poor prognosis in patients with sepsis. Design. We conducted a prospective(More)
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