期刊
RESPIRATION
卷 75, 期 3, 页码 265-271出版社
KARGER
DOI: 10.1159/000100556
关键词
obstructive sleep apnea; obesity; diabetes; autonomic neuropathy
Background: Nonobese diabetics with diabetic autonomic neuropathy (DAN) show an elevated prevalence of obstructive sleep apnea-hypopnea (OSAH). Objective: It was the aim of this study to assess if the presence of DAN could further increase the risk of developing OSAH in obese diabetics. Methods: Eighteen obese diabetic patients, 8 with DAN [age 57 +/- 5 years, body mass index (BMI) 35 +/- 4] and 10 without DAN (age 56 +/- 8 years, BMI 37 +/- 5), were recruited. Ten age-matched obese subjects were studied as controls (age 53 +/- 12 years, BMI 34 +/- 3). All subjects underwent a cardiorespiratory sleep study in the in-hospital sleep laboratory to obtain the apnea-hypopnea index (AHI) and oxygen desaturation indices. Results: Diabetics with DAN (Ob-DAN+) had a higher AHI than diabetics without DAN (Ob-DAN-) and controls, amounting to 39.5 +/- 13 versus 15.8 +/- 12 (p < 0.01) and 19.3 +/- 21 (p < 0.05), respectively. A moderate- to-severe OSAH (AHI >= 15) occurred in all Ob-DAN+ and only in 4 ObDAN- and 4 control patients. Moreover, the indices reflecting the impairment of oxygen saturation (SaO(2)) during sleep such as the mean lowest SaO(2) and sleep time with a SaO(2) < 90% were more severely affected in Ob-DAN+ patients compared with the other groups and were associated with longer obstructive respiratory events. Conclusions: Apneas-hypopneas are more frequent and last longer in Ob-DAN+ than in other obese subjects, with or without diabetes. Copyright (c) 2007 S. Karger AG, Basel.
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