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Revista argentina de cardiología

versão On-line ISSN 1850-3748

Resumo

ALFIE, José et al. Relationship between neck circumference and hypertension in the National Registry on Hypertension (the RENATA study). Rev. argent. cardiol. [online]. 2012, vol.80, n.4, pp. 275-279. ISSN 1850-3748.

Relationship between neck circumference and hypertension in the National Registry on Hypertension (the RENATA study) Background Hypertension (HT) is associated with greater proportion of body fat. Neck circumference might provide additional clinical information to that of other measurements of body fat. Objective To compare the relationship between abdominal obesity, neck circumference and hypertension. Methods In the RENATA study, 4006 adults from seven cities (Buenos Aires, Córdoba, Tucumán, Mendoza, Resistencia, Corrientes and Neuquén) were randomly selected. Neck and waist circumferences were measured in 3987 subjects. Abdominal obesity (AO) was defined following the ATP III recommendations and neck obesity (NO) was considered as the upper tertile of neck circumference (=35 cm in women and =41 cm in men). Hypertension was defined as the average values of blood pressure measurements =140 and/or 90 mm Hg or the presence of antihypertensive treatment. Results In patients with normal abdominal adipose tissue, the prevalence of HT was 20.3% with normal neck circumference vs. 38.8% with NO, while in subjects with AO, the prevalence of HT was 43.7% with normal neck circumference vs. 57.4% with NO (chi square, p <0.001). Logistic regression analysis showed that, for each standard deviation of neck circumference, the risk of HT adjusted for age and gender was greater in the absence than in the presence of AO (67% vs. 17%; p <0.001). Conclusions The prevalence of HT was greater in subjects with obesity in both regions of the body. The association between neck circumference and the prevalence of HT was greater in subjects with normal abdominal circumference.

Palavras-chave : Abdominal Obesity; Hypertension; Neck.

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