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Familial aggregation of blood pressure in a paediatric population
Insights
Parental blood pressure patterns show familial aggregation in children. Differences exist between sexes, with height and weight influencing blood pressure differently in boys and girls.
Area of Science:
- Pediatrics
- Cardiovascular Health
- Human Genetics
Background:
- Familial aggregation of blood pressure is a known phenomenon.
- Understanding sex-specific differences in blood pressure inheritance is crucial for early detection and intervention.
Purpose of the Study:
- To investigate familial aggregation of blood pressure in a pediatric population.
- To explore sex-specific differences in the relationship between parental and child blood pressure.
Main Methods:
- A random sample of nursery and school-age children in Milan was studied.
- Data collected included age, sex, height, weight, skinfold thicknesses, heart rate, and blood pressure.
- Statistical analyses included correlation coefficients and multiple regression, adjusting for age.
Main Results:
- Significant correlations were found between mother and son, mother and daughter, and father and son for both systolic and diastolic blood pressure.
- Father-daughter correlations for blood pressure were not statistically significant.
- Multiple regression revealed height as a key determinant in males and body weight in females.
Conclusions:
- Anthropometric measurements are important considerations in blood pressure assessments.
- Significant sex-based differences exist in blood pressure familial aggregation.
- Parental blood pressure patterns appear more influential for sons, with a weaker father-daughter correlation observed.
Abstract:
Familial aggregation of blood pressure in childhood and the difference between males and females were studied in a random sample of a nursery and school-age population in Milan. Age, sex, height, weight, skinfold thicknesses and heart rate were obtained. Blood pressure was measured in accordance with the recommendations of the Task Force of Blood Pressure Control in Children. After adjusting for age, significant correlation coefficients were found between mother and son (r = 0.17 and r = 0.11), mother and daughter (r = 0.11 and r = 0.15), and father and son (r = 0.16 and r = 0.17) for systolic and diastolic pressure, respectively; the father-daughter correlations were not statistically different (r = 0.08 and r = 0.03). Multiple regression analysis underlined the difference between males and females; height was an important determinant in the males and body weight in the females. In conclusion, anthropometric measurements should be considered in evaluations of blood pressure status. Our results suggest important differences between males and females. The BP pattern of the parents also seems more important for sons, and there seems to be a lower correlation between fathers and daughters.