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  1. Home /
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  3. Vol 44 No 3 (2013) /
  4. Original Articles

Dependence of P-wave dispersion on mean arterial pressure as an independent hemodynamic variable in school children

  • Abstract
  • Keywords
  • Author Biographies
  • References

Abstract

Introduction:The relationship between diastolic dysfunction and P-wave dispersion (PWD) in the electrocardiogram has been studied for some time. In this regard, echocardiography is emerging as a diagnostic tool to improve risk stratification for mild hypertension.

Objective:To determine the dependence of PWD on the electrocardiogram and on echocardiographic variables in a pediatric population.

Methods: Five hundred and fifteen children from three elementary schools were studiedfrom a total of 565 children. Those whose parents did not want them to take part in the study, as well as those with known congenital diseases, were excluded. Tests including 12-lead surface ECGs and 4 blood pressure (BP) measurements were performed. Maximum and minimum P-values were measured, and the PWD on the electrocardiogram was calculated. Echocardiography for structural measurements and the pulsed Doppler of mitral flow were also performed.

Results: A significant correlation in statistical variables was found between PWD and mean BP for pre-hypertensive and hypertensive children, i.e., r= 0.32, p <0.01 and r= 0.33, p <0.01, respectively. There was a significant correlation found between PWD and the left atrial area (r= 0.45 and p <0.01).

Conclusions: We highlight the dependency between PWD, the electrocardiogram and  mean  blood pressure. We also draw attention to the dependence of PWD on the left atrial area.  This result provides an explanation for earlier changes in atrial electrophysiological and hemodynamic characteristics in pediatric patients.

Authors

  • Elibet Chávez González
  • Emilio F. González Rodríguez
  • María del Carmen Llanes Camacho

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Keywords

  • P-wave dispersion
  • mitral A-wave duration
  • prehypertension
  • blood hypertension

Author Biographies


Ernesto Che Guevara Heart Center. Electrophysiology department

University Martha Abreu de las Villas. Electronic Center Study

Pediatric Hospital Jose Luis Miranda.

References

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  • Relationship between PWD and MBP in normotensive children
  • Relationship between PWD and MBP
  • Relationship between PWD and MBP in prehypertensive children
  • Relationship between PWD and left atrial area in hypertensive children.
  • Relationship between PWD and MBP in normotensive children
  • Relationship between PWD and MBP
  • Relationship between PWD and MBP in prehypertensive children
  • Relationship between PWD and left atrial area in hypertensive children.
Published
2013-09-30
Submitted
2012-11-16
| 572 |
How to Cite
Chávez González, E., González Rodríguez, E. F., & Llanes Camacho, M. del C. (2013). Dependence of P-wave dispersion on mean arterial pressure as an independent hemodynamic variable in school children. Colombia Médica, 44(3), 178-183. https://doi.org/10.25100/cm.v44i3.1237
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Vol 44 No 3 (2013)
Section
Original Articles

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