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Duration of Fever in Patients with Dengue: A Systematic Review and Meta-Analysis

Journal Contribution - Review Article

Dengue is an acute febrile illness endemic to tropical countries and associated with high mortality rates. Despite being a viral infection, there is rampant misuse of antibiotics in patients with dengue because of perceived delay in defervescence and fear of secondary bacterial infections. Therefore, there is a need to establish the average fever duration with a confidence interval among patients with dengue. Studies up to October 21, 2022 from two databases (PubMed and Embase) were included using the search terms related to dengue and duration of fever. All retrieved articles were screened for eligibility by two independent reviewers. Studies where the average duration of fever was available were included for systematic review. Articles with at least more than 20 patients where a mean and standard deviation for the total duration of fever was available were included for meta-analysis. A total of 643 articles were included from the two databases after duplicate deletion. After two rounds of screening, 31 articles (n n 5 7,905) were finally included. The mean duration of fever in the 20 articles included for meta-analysis was 5.1 (95% CI: 4.7-5.5) days. Longer duration of fever was seen in those with a higher grade of fever, those with higher disease severity, and those with concurrent bacterial infections. In the absence of risk factors for concurrent bacteremia, antimicrobials may be unnecessary in those with dengue fever duration of less than 5.5 days.
Journal: Am J Trop Med Hyg
ISSN: 0002-9637
Issue: 1
Volume: 111
Pages: 5-10
Publication year:2024
Keywords:Paramedicine
Accessibility:Open