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Predictors of mortality in leptospirosis: an observational study from two hospitals in Kolkata, eastern India.

Abstract：

BACKGROUND:Leptospirosis has a mortality rate of 5-20%. Poor prognostic factors are older age; oliguria; elevated potassium, creatinine and/or bilirubin levels; and altered mental status. We conducted this retrospective study to analyse the predictors of mortality among Indian patients with leptospirosis. METHODS:Clinical, biochemical, demographic and treatment related data (time between onset of symptoms and commencement of leptospira specific antibiotics) of 101 leptospirosis patients were reviewed. Predictors identified by univariate analysis were analysed by multivariable Cox regression for survival analysis. RESULTS:Prominent clinical features were: fever (101/101, 100%), jaundice (62, 62.4%), vomiting (42, 41.6%), oliguria (35, 34.7%), cough (18, 17.8%) and dyspnoea (10, 10.0%). Common complications were acute kidney injury (22, 21.8%), cardiovascular collapse (13, 12.9%), haemorrhages (10, 10.0%), meningitis (7, 6.9%), acute respiratory distress syndrome and pancreatitis (5, 5.0% each). Seventeen patients died (16.8%). Univariate predictors of mortality were older age, delayed antibiotic therapy, higher bilirubin, aspartate aminotransferase, alkaline phosphatase, leucocyte count and aspartate/alanine aminotransferase ratio (AAR). Only AAR (HR 1.208, 95% CI 1.051-1.388) and number of days the patient was symptomatic before access to specific antibiotic therapy (HR 1.304, 95% CI 1.081-1.574) remained significant predictors after Cox regression. CONCLUSIONS:Multivariate analysis showed high AAR and delayed antibiotic therapy might be associated with fatality.

journal_name

Trans R Soc Trop Med Hyg

journal_title

Transactions of the Royal Society of Tropical Medicine and Hygiene

authors

Goswami RP,Goswami RP,Basu A,Tripathi SK,Chakrabarti S,Chattopadhyay I

doi

10.1093/trstmh/tru144

subject

Has Abstract

pub_date

2014-12-01 00:00:00

pages

791-6

issue

12

eissn

0035-9203

issn

1878-3503

pii

tru144

journal_volume

108

pub_type

杂志文章

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