Abstract

SALGADO, Doris M et al. Myocarditis in children affected by dengue hemorrhagic fever in a teaching hospital in Colombia. Rev. salud pública [online]. 2009, vol.11, n.4, pp.591-600. ISSN 0124-0064.

Objective To determining myocarditis frequency in children suffering from DHF in the Huila region of Colombia. Methods This was a descriptive and prospective study which was carried out between March 2005 and October 2005 involving 102 patients suffering from DHF, based on WHO criteria. These children were followed-up to identify signs of myocarditis. Results 10.7 % of the children had signs of myocarditis; one of them was classified as having dengue II and the other ten were classified as suffering form dengue III and IV. This difference was statistically significant (p=0.0004). 10 patients had fulminant myocarditis and required early inotropic support. Two patients had tachyarrythmias in the EKG (one SV and one ventricular); the others had sinusal bradichardia and low voltages. Echocardiograms were perfomed on 50 % of the children, revealing pericardial leakage grade I and II in two patients, one with very diminished EF and AF. Average hospital stay was 7 days. 10 had satisfactory outcome whereas one died. Conclusion This series of cases in children reinforces the association between myocarditis and dengue viral infection.

Keywords : Dengue; dengue hemorrhagic fever; myocarditis.

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