• Rev Assoc Med Bras (1992) · Jan 2022

    Association between acanthosis nigricans and overweight with hypertension in children and adolescents from low-income families.

    • Camila Augusta Victorino, João Carlos Pina Faria, Luciana Satiko Sawamura, SouzaFabíola Isabel Suano deFIS0000-0003-3848-4752Centro Universitário Faculdade de Medicina do ABC - Santo André (SP), Brazil.Universidade Federal de São Paulo - São Paulo (SP), Brazil., and SarniRoseli Oselka SaccardoROS0000-0001-5839-0871Centro Universitário Faculdade de Medicina do ABC - Santo André (SP), Brazil.Universidade Federal de São Paulo - São Paulo (SP), Brazil..
    • Centro Universitário Faculdade de Medicina do ABC - Santo André (SP), Brazil.
    • Rev Assoc Med Bras (1992). 2022 Jan 1; 68 (12): 172117251721-1725.

    ObjectiveThis study aimed to describe the prevalence of acanthosis nigricans and high blood pressure in children and adolescents from low-income families, and to verify the association of elevated blood pressure with nutritional status and the presence of acanthosis nigricans.MethodsThis is a cross-sectional and controlled study with 232 children and adolescents from an institution for low-income families. Pubertal stage, body mass index Z-score, waist-to-height circumference ratio (increased waist-to-height circumference ratio >0.5), the presence of acanthosis nigricans, and blood pressure were assessed.ResultsThe prevalence of excess weight and the change in waist-to-height circumference ratio was 37.9%. Acanthosis nigricans and increased blood pressure occurred in 20.3 and 34.8%, respectively. The prevalence of acanthosis nigricans and hypertension was higher in individuals with excess weight (p<0.001; p<0.001) and with an increased waist-to-height circumference ratio (p=0.009; p<0.001). Logistic regression showed a significant and independent association of body mass index Z-score (OR 2.35; 95%CI 1.52-3.65; p<0.001) and the presence of acanthosis nigricans (OR 2.43; 95%CI 1.12-5.23; p=0.023) with elevated blood pressure.ConclusionAcanthosis nigricans and elevated blood pressure occurred in one-fifth and one-third of the individuals in an institution for children from low-income families. Overweight and the presence of acanthosis nigricans increased the risk of high blood pressure more than twofold.

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