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Please use this identifier to cite or link to this item: http://repositorio.ufba.br/ri/handle/ri/14500

Title: Prevalence and severity of sleep apnea in a group of morbidly obese patients
Other Titles: Obesity Surgery
Authors: Daltro, Carla Hilário da Cunha
Gregorio, Paloma Baiardi
Alves, Erivaldo S.
Abreu, Maurício Costa de
Bomfim, Daniel Veloso Viana
Chicourel, Maria Helena
Araújo, Leila Maria Batista
Cotrim, Helma Pinchemel
Keywords: Oxyhemoglobin desaturation;Morbid obesity;Obesity surgery;Polysomnography;Apnea-hypopnea index
Issue Date: 2007
Abstract: Background: Obesity is the most important risk factor for obstructive sleep apnea. It is estimated that 70% of sleep apnea patients are obese. In the morbidly obese, the prevalence may reach 80% in men and 50% in women. The aim of this study was to determine the prevalence and severity of sleep apnea in a group of morbidly obese patients, leading to bariatric surgery. Methods: In a cross-sectional study developed in Bahia, northeastern Brazil. 108 patients (78 women and 30 men) from the Obesity Treatment and Surgery Center - “Núcleo de Tratamento e Cirurgia da Obesidade” underwent standard polysomnography. Patients with an apnea-hypopnea index (AHI) ≥ 5 events/hour were considered apneic. Results: Mean ± SD for age and BMI were 37.1 ± 10.2 years and 45.2 ± 5.4 kg/m2, respectively. The calculated AHI ranged widely from 2.5 to 128.9 events/hour. Sleep apnea was detected in 93.6% of the sample, wherein 35.2% had mild, 30.6% moderate and 27.8% severe apnea. Oxyhemoglobin desaturation was directly related to the AHI and was more severe in men.Conclusion: There was a high frequency of sleep apnea in this group of morbidly obese patients, for whom it was very important to request polysomnography, thus enabling therapeutic management and prognostication.
Description: Texto completo: acesso restrito. p. 809-814
URI: http://repositorio.ufba.br/ri/handle/ri/14500
ISSN: 0960-8923
Appears in Collections:Artigos Publicados em Periódicos (Medicina)

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