Publications by authors named "Rajeev A Annigeri"

Objectives: We aimed to study the prevalence of augmented renal clearance (ARC) and validate the utility of ARC and ARCTIC scores. We also aimed to assess the correlation and agreement between estimated GFR (eGFR-EPI) and 8-hour measured creatinine clearance (8 hr-mCL).

Study Design And Methodology: This was a prospective, observational study done in the mixed medical-surgical intensive care unit (ICU) and 90 patients were recruited.

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Unlabelled: Acute kidney injury (AKI) contributes significantly to morbidity and mortality in ICU patients. The cause of AKI may be multifactorial and the management strategies focus primarily on the prevention of AKI along with optimization of hemodynamics. However, those who do not respond to medical management may require renal replacement therapy (RRT).

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Unlabelled: Acute kidney injury (AKI) is a complex syndrome with a high incidence and considerable morbidity in critically ill patients. Renal replacement therapy (RRT) remains the mainstay of treatment for AKI. There are at present multiple disparities in uniform definition, diagnosis, and prevention of AKI and timing of initiation, mode, optimal dose, and discontinuation of RRT that need to be addressed.

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Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) affects kidneys mainly in the form of acute kidney injury but rarely can cause glomerular disease. On a very rare occasion, SARS-CoV-2 infection can be associated with anti-neutrophil cytoplasmic antigen (ANCA)-associated vasculitis and anti-glomerular basement membrane glomerulonephritis (anti-GBM GN). We report a case of a 59-year-old man who presented with progressive renal failure 8 weeks after contracting the viral infection, which progressed slowly to severe renal dysfunction.

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India witnessed an epidemic of mucormycosis during the second wave of the COVID-19 pandemic. Renal mucormycosis has been reported rarely, mostly from India, but only 2 cases have been reported following COVID-19 infection to date. We report a case of mucormycosis predominantly affecting kidneys in a young and previously healthy male following COVID-19 pneumonia, for which he had received corticosteroid, remdesivir, and tocilizumab.

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Gitelman syndrome (GS) is a rare autosomal recessive disorder characterized by the loss of function mutation of the solute carrier family-12 member-3 () gene, encoding for sodium-chloride cotransporter of the distal convolute tubule. GS is characterized by hypokalemia, hypomagnesemia, metabolic alkalosis, and hypocalciuria. GS-like syndrome has been described rarely.

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Mercury contained in traditional medicines can cause chronic poisoning, which can cause membranous nephropathy (MN). We report five cases of nephrotic syndrome caused by MN with evidence of chronic mercury poisoning due to consumption of traditional Indian medicines such as Siddha and Ayurveda, which to our knowledge are the first such reports. All patients were seronegative for antibodies against phospholipase A2 receptor (PLA2R).

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Microsporidiosis is a rare, but emerging opportunistic infection in solid organ transplant and stem cell transplant recipients. Renal involvement in microsporidiosis is very rarely seen in these recipients. We describe two cases of pediatric renal microsporidiosis, diagnosed on renal biopsies, following bone marrow transplantation presenting as severe acute kidney injury.

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Aim: Recent advances in dialysis therapy have made an impact on the clinical practice of renal replacement therapy (RRT) in acute kidney injury (AKI) in Intensive Care Unit (ICU). We studied the impact of RRT practice changes on outcomes in AKI in ICU over a period of 8 years.

Subjects And Methods: AKI patients requiring RRT in ICU referred to a nephrologist during two different periods (period-1: Between May 2004 and May 2007, n = 69; period-2: Between August 2008 and May 2011, n = 93) were studied.

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We present a case of acute renal artery thrombosis due to disseminated zygomycosis in a healthy young adult male.The diagnosis of renal artery occlusion was made on contrast-enhanced CT (CECT) and confirmation of etiology was made only on post mortem biopsy. We suggest that the presence of vascular thrombosis on CECT in a patient presenting with febrile illness should be regarded as an indicator of possible infection by angiotropic fungi, such as zygomycosis, which could help clinician to pursue histological diagnosis aggressively.

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Objective: To assess the nutritional status of critically ill patients with acute renal failure on continuous renal replacement therapy (CRRT) and their protein needs by estimating the protein equivalent of nitrogen appearance (PNA).

Design: Prospective, observational study.

Setting: A 74-bed intensive care unit in a single tertiary care hospital.

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Aim: We evaluated the performance of serum creatinine based equations to estimate glomerular filtration rate (GFR) in South Asian healthy renal donors.

Methods: GFR by 99mTc-diethylenetriamine pentaacetic acid (DTPA) renogram (mGFR) in 599 renal donors was measured. GFR was estimated using a six variable modification of diet in renal disease formula (MDRD1), a four variable MDRD formula (MDRD2), Cockcroft-Gault creatinine clearance (CG CrCl), Cockcroft-Gault glomerular filtration rate (CG GFR) and the Mayo Clinic formula (Mayo GFR).

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Aim: To compare natriuretic, kaliuretic, diuretic and free water clearance efficacy of continuous versus bolus intravenous furosemide administration in patients with chronic renal insufficiency.

Material And Methods: In a prospective randomized cross-over trial, 42 patients of chronic renal insufficiency were randomized to receive the same dose of intravenous furosemide as bolus and continuous infusion. The effects of bolus and intravenous administration of furosemide on the volume of urine, sodium and potassium excretion were assessed.

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