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[Evaluation of risk and protection factors associated with high blood pressure in children]
Alessandra Vitorino Naghettini1, Joice M F Belem, Cláudia Maria Salgado
1Universidade Federal de Goiás, Goiânia, GO, Brasil. naghetti@terra.com.br
Insights
Pediatric high blood pressure is linked to being overweight and family history. Breastfeeding for over six months may protect children from developing hypertension.
Area of Science:
- Pediatric cardiology
- Public health
- Nutritional science
Context:
- Childhood hypertension is a growing concern with identifiable risk factors.
- Early detection of risk factors in children can aid in disease prevention.
Purpose:
- To investigate risk and protective factors associated with high blood pressure in children aged 3 to 10 years.
- To analyze the relationship between birth weight, breastfeeding, family history, BMI, and blood pressure.
Summary:
- A study of 519 children revealed that 21% were overweight and 10.3% were obese.
- Higher systolic blood pressure was observed in children with less than 6 months of breastfeeding, a family history of hypertension, and those who were overweight (p <0.0001).
- Multivariate analysis confirmed these associations.
Impact:
- Overweight and genetic predisposition are significant factors in pediatric hypertension.
- Exclusive breastfeeding for over six months demonstrates a protective effect against high blood pressure in children.
Background:
Epidemiological studies have shown an increased prevalence of high blood pressure in pediatric patients. Today we know that risk factors can be detected during childhood and may help in preventing the disease.
Objective:
To evaluate risk and protection factors related to high blood pressure in childhood.
Methods:
We evaluated children aged 3 to 10 years, residing in the east and southwest sanitary districts of the City of Goiânia, Goiás, and obtained the following data: birth weight, breastfeeding, family history of high blood pressure and obesity, weight, height, body mass index (BMI), and blood pressure. We applied the Mann-Whitney U-test to these variables in order to compare pressure variation.
Results:
In this sample, 519 children were evaluated, and 246 (47.4%) of them were male. The BMI assessment identified 109 (21%) overweight children, of which 53 (10.3%) were obese. Predominant and/or exclusive breastfeeding for less than 6 months was found in 242 (51.2%). The mean systolic pressure was significantly higher in children with exclusive and/or predominant breastfeeding for less than 6 months (p = 0.04), and in children with family history of high blood pressure (p = 0.05), and in overweight children (p <0.0001). These data were confirmed in multivariate analysis.
Conclusion:
In this sample, we observed that overweight and hereditary factors may be associated with elevated blood pressure, and that breastfeeding for more than 6 months seems to offer a protective effect.
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