alexa Acute kidney injury in dengue virus infection.


Tropical Medicine & Surgery

Author(s): Khalil MA, Sarwar S, Chaudry MA, Maqbool B, Khalil Z, , Khalil MA, Sarwar S, Chaudry MA, Maqbool B, Khalil Z,

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Abstract BACKGROUND: Dengue is a growing public health problem in Pakistan and acute kidney injury (AKI) is one of the least studied complications of dengue virus infection (DVI). The aim of this study was to determine the frequency, severity and predictors of AKI in patients with DVI and to study the impact of AKI on the length of hospital stay and mortality. METHODS: We retrospectively reviewed medical records of patients aged ≥14 years hospitalized with a primary diagnosis of DVI at Aga Khan University Hospital Karachi between January 2008 and December 2010. Binary logistic regression models were constructed to identify factors associated with the development of AKI and to study the impact of AKI on hospital stays of more than 3 days. RESULTS: Out of 532 patients, AKI was present in 13.3\% (71/532). Approximately two-thirds (64.8\%) of these patients had mild AKI and a third (35.2\%) had moderate to severe AKI. Independent predictors for AKI were male gender [odds ratio (OD) 4.43; 95\% CI 1.92-10.23], presence of dengue hemorrhagic and dengue shock syndrome (DSS, OD 2.14; 95\% CI 1.06-4.32), neurological involvement (OD 12.08; 95\% CI 2.82-51.77) and prolonged activated partial thromboplastin time (aPTT, OD 1.81; 95\% CI 1.003-3.26). AKI was associated with a length of stay ≥3 days when compared with those who did not have AKI (OD 2.98; 95\% CI 1.66-5.34). Eight patients (11.3\%) with AKI died whereas there were no mortalities in patients without AKI (P < 0.001). Only 5 patients (7\%) had persistent kidney dysfunction at discharge. CONCLUSIONS: AKI in DVI is associated with neurological involvement, prolongation of aPTT, greater length of hospital stay and increased mortality.
This article was published in Clin Kidney J and referenced in Tropical Medicine & Surgery

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