Tpeak-Tend, Tpeak-Tend dispersion and Tpeak-Tend/QT in children and its relationship with clinical variables

https://doi.org/10.25100/cm.v50i4.4199
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Published: Dec 30, 2019
Updated: 2019-12-30
Issue: Vol. 50 No. 4 (2019)
Section Original Articles

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Authors

  Yaniel Castro-Torres Hospital Universitario Celestino Hernández Robau, Servicio de Cardiología. Santa Clara , Villa Clara. Cuba
  Raimundo Carmona-Puerta Cardiocentro Ernesto Che Guevara, Servicio de Electrofisiología y Estimulación Cardiaca. Santa Clara, Villa Clara. Cuba.
  Elibet Chávez-González Cardiocentro Ernesto Che Guevara, Servicio de Electrofisiología y Estimulación Cardiaca. Santa Clara, Villa Clara. Cuba.
  Emilio Francisco González-Rodríguez Universidad Central Marta Abreu de las Villas, Facultad de Ingeniería Eléctrica, Centro de Desarrollo Electrónico. Santa Clara, Villa Clara. Cuba
Abstract

Aim: To characterize the Tpeak-Tend, the Tpeak-Tend dispersion and Tpeak-Tend/QT in children and its relationship with clinical variables.


Methods: Cross-sectional study in 126 children between 9 and 12 years of the Camilo Cienfuegos School in Santa Clara, Cuba. Clinical and anthropometric variables were obtained to determine their relationship with electrocardiographic parameters: Tpeak-Tend V5, Tpeak-Tend dispersion and Tpeak-Tend/QT ratio V5. In addition, laboratory tests were conducted.


Results: Age and systolic blood pressure are associated with an increased probability of having values ​​of Tpeak-Tend/QT V5 ≥75 percentile for both sexes (OR: 1.72, CI 95%: 1.02-2.91; p= 0.043), (OR: 1.08, CI 95%: 1.01-1.16; p= 0.017) respectively. The body mass index and systolic blood pressure are linearly and significantly correlated with the Tpeak-Tend/QT V5 (r= 0.224; p= 0.012) and (r= 0.220; p= 0.014) respectively.


Conclusions: The age of the patients and the systolic blood pressure figures are factors that increase the probability of having values ​​of the Tpeak-Tend/QT V5 ≥75 percentile. There was a significant linear correlation between the Tpeak-Tend/QT V5 with the body mass index and the systolic blood pressure.

Keywords
  • Brugada Syndrome
  • Long Qt Syndrome
  • Heart Rate
  • Hypertrophy, Left Ventricular
  • Body Mass Index
  • Blood Pressure
  • Glucose Intolerance
  • Cardiovascular Diseases
  • Overweight
  • Body Weight
  • Obesity
  • Arrhythmias, Cardiac
Author Biographies

Yaniel Castro-Torres, Hospital Universitario Celestino Hernández Robau, Servicio de Cardiología. Santa Clara , Villa Clara. Cuba

orcid_id26.png https://orcid.org/0000-0003-2019-284X

Raimundo Carmona-Puerta, Cardiocentro Ernesto Che Guevara, Servicio de Electrofisiología y Estimulación Cardiaca. Santa Clara, Villa Clara. Cuba.

orcid_id27.png https://orcid.org/0000-0003-2246-1089

Elibet Chávez-González, Cardiocentro Ernesto Che Guevara, Servicio de Electrofisiología y Estimulación Cardiaca. Santa Clara, Villa Clara. Cuba.

orcid_id24.png https://orcid.org/0000-0003-2246-2137

Emilio Francisco González-Rodríguez, Universidad Central Marta Abreu de las Villas, Facultad de Ingeniería Eléctrica, Centro de Desarrollo Electrónico. Santa Clara, Villa Clara. Cuba

orcid_id25.png https://orcid.org/0000-0002-7495-3483

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How to Cite
Castro-Torres, Y., Carmona-Puerta, R., Chávez-González, E., & González-Rodríguez, E. F. (2019). Tpeak-Tend, Tpeak-Tend dispersion and Tpeak-Tend/QT in children and its relationship with clinical variables. Colombia Medica, 50(4), 252–60. https://doi.org/10.25100/cm.v50i4.4199
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