Relationship between Resting Heart Rate, Blood Pressure and Pulse Pressure in Adolescents

Christofaro, Diego Giulliano Destro, Casonatto, Juliano, Vanderlei, Luiz Carlos Marques, Cucato, Gabriel and Dias, Raphael Mendes Ritti (2017) Relationship between Resting Heart Rate, Blood Pressure and Pulse Pressure in Adolescents. Arquivos Brasileiros de Cardiologia. ISSN 0066-782X

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Background: High resting heart rate is considered an important factor for increasing mortality chance in adults. However, it remains unclear whether the observed associations would remain after adjustment for confounders in adolescents.

Objectives: To analyze the relationship between resting heart rate, blood pressure and pulse pressure in adolescents of both sexes.

Methods: A cross-sectional study with 1231 adolescents (716 girls and 515 boys) aged 14-17 years. Heart rate, blood pressure and pulse pressure were evaluated using an oscillometric blood pressure device, validated for this population. Weight and height were measured with an electronic scale and a stadiometer, respectively, and waist circumference with a non-elastic tape. Multivariate analysis using linear regression investigated the relationship between resting heart rate and blood pressure and pulse pressure in boys and girls, controlling for general and abdominal obesity.

Results: Higher resting heart rate values were observed in girls (80.1 ± 11.0 beats/min) compared to boys (75.9 ± 12.7 beats/min) (p ≤ 0.001). Resting heart rate was associated with systolic blood pressure in boys (Beta = 0.15 [0.04; 0.26]) and girls (Beta = 0.24 [0.16; 0.33]), with diastolic blood pressure in boys (Beta = 0.50 [0.37; 0.64]) and girls (Beta = 0.41 [0.30; 0.53]), and with pulse pressure in boys (Beta = -0.16 [-0.27; -0.04]).

Conclusions: This study demonstrated a relationship between elevated resting heart rate and increased systolic and diastolic blood pressure in both sexes and pulse pressure in boys even after controlling for potential confounders, such as general and abdominal obesity.

Item Type: Article
Uncontrolled Keywords: Adolescent, Age Factors, Arterial Pressure/physiology, Blood Pressure/physiology, Body Mass Index, Brazil, Cross-Sectional Studies, Female, Heart Rate/physiology, Humans, Male, Rest/physiology, Sex Factors, Waist Circumference/physiology
Subjects: B100 Anatomy, Physiology and Pathology
C600 Sports Science
Department: Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: Rachel Branson
Date Deposited: 27 Feb 2020 15:21
Last Modified: 31 Jul 2021 19:34

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