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Abstract

Background

Clinical manifestations of dengue vary from mild febrile illnesses to shock and organ failure. However, severe symptoms may not be clinically evident immediately, making it difficult for early detection of patients at risk for poor outcomes. Several biomarkers, particularly C-reactive protein (CRP), were revealed to be highly predictive of dengue hemorrhagic fever/dengue shock syndrome (DHF/DSS). This systematic review aims to determine a relationship between CRP levels and the probability of developing DHF/DSS.

Methods

Multiple electronic databases were searched for English literature from January 2007 to August 2017. Four reviewers independently extracted data from eligible studies using the standardized critical appraisal tool from JBI-MAStARI. Articles that scored six and above were included.

Results

Three cohort and two cross-sectional studies were reviewed. Sample sizes ranged from 70 to 235 participants. The cohort studies measured CRP levels at point of diagnosis, but were re-measured at different time points in the subjects’ admission. However, regardless of the time difference, they all showed that increased CRP levels exhibited a trend towards development of DSS/DHF. The studies also identified a possible “golden period” for measuring CRP levels that can accurately predict development of DHF/DSS. The cross-sectional studies also saw a similar trend, but have measured this in median values of the CRP levels.

Conclusion

This systematic review showed that increased CRP levels appeared to have a trend towards a higher probability of developing DHF/DSS. A larger population and more studies are needed to further establish a statistically significant relationship.

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/content/journal/acmi/10.1099/acmi.fis2019.po0204
2020-02-28
2020-06-04
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http://instance.metastore.ingenta.com/content/journal/acmi/10.1099/acmi.fis2019.po0204
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