Body Composition and Physical Fitness Affect Central Hemodynamics in Young Children

Köchli, Sabrina and Deiseroth, Arne and Hauser, Christoph and Streese, Lukas and Schmidt-Trucksäss, Arno and Faude, Oliver and Hanssen, Henner. (2021) Body Composition and Physical Fitness Affect Central Hemodynamics in Young Children. Frontiers in pediatrics, 9. p. 750398.

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Official URL: https://edoc.unibas.ch/89148/

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Objective:; Central hemodynamics are related to cardiovascular (CV) outcomes in adults, but associations with childhood CV risk remain unclear. The study aimed to investigate the association of obesity, physical activity, and fitness with parameters of central pulse wave reflection in young prepubertal children.; Methods:; In this cross-sectional study, 1,324 primary school children (aged 7.2 ± 0.4 years) were screened for parameters of pulse wave reflection such as augmentation index (AIx), central pulse pressure (CPP), body mass index (BMI), and cardiorespiratory fitness (CRF) by standardized procedures for children.; Results:; The mean AIx and AIx@75 were 22.2 ± 7.7 and 29.2 ± 9.2%, respectively. With each unit increase in BMI, AIx [-0.226 (-0.328; -0.125)%] and AIx@75 [-0.444(-0.660; -0.229)%] decreased, whereas peak forward pulse wave increased (; p; < 0.001). Increasing BMI was associated with higher CPP, but did not remain significant after adjustment for CRF and heart rate. One unit increase in CRF was associated with lower AIx@75 [-0.509(-0.844; -0.173)%,; p; = 0.003] and lower reflection magnitude [RM: -0.559 (-0.890; -0.227),; p; = 0.001], independent of body weight and height. Girls had significantly higher AIx, AIx@75, peak backward pulse wave, and RM compared with boys.; Conclusion:; Childhood obesity was associated with higher CPP but lower augmentation of the reflected pulse wave in children. Assessment of central blood pressures appears to be a valuable asset to childhood CV risk screening. The validity of augmentation indices during childhood development and the association with early vascular aging in children need to be verified in long-term follow-up studies. Physical activity and fitness have the potential to improve vascular hemodynamics in susceptible children and, thus, counteract vascular aging.; Trial registry: ClinicalTrials.gov:; Exercise and Arterial Modulation in Youth.; Identifier:; NCT02853747; URL: https://clinicaltrials.gov/ct2/show/NCT02853747.
Faculties and Departments:03 Faculty of Medicine > Departement Sport, Bewegung und Gesundheit > Bereich Sport- und Bewegungsmedizin > Präventive Sportmedizin (Hanssen)
UniBasel Contributors:Streese, Lukas
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Frontier Media SA
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:29 Jul 2022 15:54
Deposited On:29 Jul 2022 15:54

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