Sex differences in the relation of body composition to cardiovascular parameters and functions in Korean adolescents: A school-based study

Young Hwan Song, Hae Soon Kim, Hae Sook Park, Jo Won Jung, Nam Su Kim, Chung Il Noh, Young Mi Hong

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Objective: Obesity in adolescence is associated with increased cardiovascular risk. The patterns of obesity and body composition differ between boys and girls. It is uncertain how body composition correlates with the cardiovascular system and whether such correlations differ by sex in adolescents. Methods: Body composition (fat-free mass (FFM), adipose mass, waist circumference (WC)) and cardiovascular parameters and functions were studied in 676 healthy Korean adolescents aged 12-16 years. Partial correlation and path analyses were done. Results: WC correlated with stroke volume (SV) and cardiac output (CO), systolic blood pressure (SBP) and pulse pressure (PP), cardiac diastolic function (ratio of early to late filling velocity (E/A ratio)), and vascular function (pulse wave velocity (PWV)) in boys. Adipose mass was related to SV, CO, SBP, PP, left ventricular mass (LVM), and PWV in girls - and to E/A ratio in both sexes. FFM affected SV, CO, SBP, and PP in both sexes and LVM in boys. Cardiac systolic functions had no relation with any body composition variable in either sex. Conclusion: In adolescence, the interdependence of the cardiovascular system and the body composition differs between sexes. Understanding of those relations is required to control adolescent obesity and prevent adult cardiovascular disease.

Original languageEnglish
Pages (from-to)165-177
Number of pages13
JournalObesity Facts
Volume7
Issue number3
DOIs
StatePublished - Jun 2014

Keywords

  • Adolescent
  • Blood pressure
  • Body composition
  • Cardiac output
  • Pulse wave velocity

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