DOI: http://dx.doi.org/10.18203/2349-3291.ijcp20200682

Clinical correlation of cardiac functions and troponin I and CPK-MB in dengue fever in children

Devanand G. Chaudhary, Shyam Srinivasan, Nita R. Sutay

Abstract


Background: Dengue is the most rapidly spreading mosquito-borne viral disease in the World. The spectrum of manifestations includes mild fever to severe and life-threatening disease, though uncommon complications such as myocarditis have also been reported in many cases. We conducted this study to analyze association between Clinical Profile, Cardiac Functions and Troponin I and CPK-MB (cardiac biochemical markers) in children with Dengue Fever. Aims and objectives of the study was the association between Clinical Profile, Cardiac Functions and Troponin I and CPK-MB (cardiac biochemical markers) in children with Dengue Fever.

Methods: This was a prospective observational study in which 80 paediatric patients who were hospitalized and

diagnosed to be having Dengue fever were included. All patients were stratified into either of the 3 groups- Dengue without warning signs, Dengue with warning signs and severe Dengue. A detailed history and thorough clinical examination were done for all patients. A complete blood count, electrolytes, hepatic and renal function tests were done in all children. Cardiac function was assessed by 2D Echo, CPK-MB and Troponin-I, p value less than 0.05 was taken as statistically significant.

Results: Of the 80 studied cases there were 53 (66.25%) males and 27 (33.75%) females with a M:F ratio of 1.9:1. Dengue with and without warning signs was seen in 27.5% and 60% cases respectively whereas severe dengue was seen in 12.5% cases. The ejection fraction was comparable across the 3 groups. On 2D echo ejection fraction was 62.95%, 63.21% and 65.1% in cases with warning signs, without warning signs and severe dengue respectively. Additionally, ECG abnormalities were seen in 8.75% patients. All 80 patients had a normal CPK-MB and Troponin-I levels.

Conclusions: Cardiac markers (CPK-MB and Troponin-I) remain unaffected during Dengue illness and do not have significant correlation between Dengue without warning signs, Dengue with warning signs and severe Dengue.


Keywords


Cardiac markers, Dengue in paediatric age group, Electrocardiogram abnormalities, Myocarditis

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