Pediatric Cardiology

, Volume 34, Issue 6, pp 1307–1313

The Tei Index and Asymptomatic Myocarditis in Children With Severe Dengue

  • Dinesh Kumar Yadav
  • Sandeep Choudhary
  • Pankaj Kumar Gupta
  • Mukesh Kumar Beniwal
  • Sheetal Agarwal
  • Umesh Shukla
  • N. K. Dubey
  • Jhuma Sankar
  • Pradeep Kumar
Original Article

Abstract

This study aimed to assess myocardial involvement in infants and children with severe dengue (as per the new World Health Organization [WHO] classification 2009) using the Tei index. This prospective observational study was conducted in the Department of Pediatrics, PGIMER and the associated Dr. RML Hospital, New Delhi from August to December 2010. The study included 67 children (ages 3 months–14 years) who satisfied the WHO criteria for the diagnosis of probable dengue fever with warning signs or severe dengue and tested positive for dengue via immunoglobulin-M (IgM) capture enzyme-linked immunoassay (MAC-ELISA). The patients were subjected to a complete blood count, liver function tests, renal profile, electrocardiography, myocardial band enzymes of creatine phosphokinase (CPK-MB), chest x-ray, abdomen ultrasonography, and two-dimensional echocardiography with color-flow Doppler mapping. Ejection fraction and Tei index measurements were performed. Significantly fewer patients with severe dengue were found to have myocardial involvement at admission by ejection fraction (48 %) and E/E′ (37 %), than by the Tei index (70 %). Of the 67 patients with severe dengue, one died, giving a case fatality rate of 1.5 %. At discharge, the Tei index persisted on the high side for patients with myocardial involvement, whereas the ejection fraction improved for the majority of them. Most of the patients with severe dengue had asymptomatic myocarditis, as evident by a deranged Tei index, which improved but did not normalize by the time of discharge, necessitating a longer follow-up period. For the majority of the patients, inotropic support was not required to maintain hemodynamic stability.

Keywords

Asymptomatic myocarditis Severe dengue Tei index 

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Dinesh Kumar Yadav
    • 1
    • 3
  • Sandeep Choudhary
    • 1
  • Pankaj Kumar Gupta
    • 1
  • Mukesh Kumar Beniwal
    • 1
  • Sheetal Agarwal
    • 1
  • Umesh Shukla
    • 1
  • N. K. Dubey
    • 2
  • Jhuma Sankar
    • 2
  • Pradeep Kumar
    • 2
  1. 1.Division of Pediatric Cardiology, Department of Neonatology and Pediatric MedicinePGIMER, Dr. RML HospitalNew DelhiIndia
  2. 2.Pediatric Intensive Care Unit, Department of Neonatology and Pediatric MedicinePGIMER, Dr. RML HospitalNew DelhiIndia
  3. 3.GhaziabadIndia

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