Friday, February 22, 2013

Need another reason to work out? "Physical exercise plays a pivotal role in obesity prevention and protection from hypertension risk"

http://www.ncbi.nlm.nih.gov/pubmed/23425707


 2013 Feb 16. [Epub ahead of print]

Cardiovascular risk assessment in children: role of physical activity, family history and parental smoking on BMI and blood pressure.

Source

aASL Milano 1, Milan bDepartment of Health Sciences, Centre of Biostatistics for Clinical Epidemiology, University of Milano-Bicocca, Monza cASL Milano 2, Milan dDipartimento Scienze Cliniche, Centro di Ricerca Terapia Neurovegetativa e Medicina dell'Esercizio, Università degli Studi di Milano eDepartment of Paediatrics, University of Milano, L. Sacco Hospital fIstituto di Ricovero e Cura a Carattere Scientifico, Humanitas University of Milano, Milan gDepartment of Health Sciences, University of Milano-Bicocca and Nephrology Unit, San Gerardo Hospital, Monza, Italy.

Abstract

OBJECTIVE:: Aim of the study was to assess the role of family history, physical activity and parental smoking in the prediction of BMI, SBP and hypertension risk in children. 
PARTICIPANTS AND METHODS:: In a paediatric primary care setting, a sample of 1310 children aged 5-14 years was systematically selected by 48 family paediatricians in northern Italy. BMI, waist circumference-to-height ratio (WtHr), SBP and DBP were measured and the information on the presence of small birth weight for gestational age (SGA) and early adiposity rebound (EAR) was collected. Data concerning exercise, video time, family history for cardiovascular diseases and parental smoking were derived from parental interview. Data were collected using an 'ad hoc designed' electronic sheet available online. 
RESULTS:: Multiple linear regression showed that the presence of EAR, low exercise (<2 h/week), high video time (>2 h/day TV/videogames/computer) and parental smoking were associated to higher BMI (z-score; P < 0.005). Age, BMI (z-score), WtHr, presence of SGA, low exercise, high video time and family history of cardiovascular diseases were associated to SBP values (P < 0.03). Logistic regression analysis showed that factors related to risk of hypertension and prehypertension were BMI (z-score; odds ratio, OR 2.63; 95% confidence interval, CI 2.12-3.28), WtHr (OR 1.13; 95% CI 1.10-3.28) and low exercise (OR 1.58; 95% CI 1.12-2.24; P <0.01). 
CONCLUSION:: Our study demonstrates that a simple tool like a cardiovascular multi-item sheet can provide useful information to paediatricians for child health. Physical exercise plays a pivotal role in obesity prevention and protection from hypertension risk.

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