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Research Article Open access CC BY 4.0

Malarial Acute Kidney Injury: 25 Years Experience from a Center in an Endemic Region

Rubina Naqvi, Fazal Akhtar, Ejaz Ahmed, Rashid Sheikh, Sajid Bhatti, Abbas Haider, Anwar Naqvi, Adib Rizvi

Journal of Advances in Medicine and Medical Research · pp. 1–6 · Published 12 Nov 2015

10.9734/BJMMR/2016/21471

Abstract

Background: While malaria rarely occurs in many parts of the world, it still causes serious complications like acute kidney injury (AKI) in endemic areas and needs to be reported. Methods: This study was carried out at Sindh Institute of Urology and Transplantation, Karachi, Pakistan. From January 1990 – December 2014, 5623 patients with acute kidney injury (AKI) were registered at this institution. AKI was defined as sudden rise in creatinine or decline in urine output or both. All patients had normal sized non obstructed kidneys on ultrasonography, with no previous co morbidity. Malaria parasite was seen on blood peripheral film in all patients. Results: Among total patients with AKI, 671 (11.93%) developed AKI in association with malarial infection. Average age of patients was 33.70±16.426 (range 4-98 years) with M: F ratio of 3:1. The causes were plasmodium falciparum in 59%, vivax in 15.2%, dual infection in 3.57% and undefined species in the rest. Oligo-anuria and vomiting were the most common associated symptoms along with fever. Renal replacement therapy was required in 76.6% of patients. Complete recovery was seen in 64.82%, while 21.2% died during the acute phase of illness. Jaundice, old age, altered level of consciousness, raised total leukocyte count, oliguria, hyperkalemia and falciparum malaria were the independent risk factors associated with high mortality. Conclusion: Malaria still causes significant morbidity and mortality in our part of the world. Vivax malaria which was thought to be ‘benign’ can present with hemolysis, thrombocytopenia and kidney failure, though risk of death is 2.36 fold higher with falciparum malaria.

AKI malaria P. falciparum P. vivax hyperkalemia oliguria

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