期刊
JOURNAL OF CLINICAL SLEEP MEDICINE
卷 16, 期 4, 页码 503-514出版社
AMER ACAD SLEEP MEDICINE
DOI: 10.5664/jcsm.8252
关键词
apnea-hypopnea index; intensive weight-loss program; obesity; obstructive sleep apnea syndrome; weight loss
资金
- Sociedad Espanola de Neumologia y Cirugia Tor PRIME [SEPAR 72/2015]
- LINDE Healthcare Espana
Study Objectives: To determine whether an intensive weight-loss program (IWLP) is effective for reducing weight, the severity of obstructive sleep apnea (OSA), and metabolic variables in patients with obesity and severe OSA undergoing continuous positive airway pressure treatment. Methods: Forty-two patients were randomized to the control (CG, n = 20) or the intervention group (IG, n = 22), who followed a 12-month IWLP. The primary outcome was a reduction in the apnea-hypopnea index (AHI) as measured at 3 and 12 months by full polysomnography. Metabolic variables, blood pressure, body fat composition by bioimpedance, carotid intima media thickness, and visceral fat by computed tomography were also assessed. Results: Mean age was 49 (6.7) years, body mass index 35 (2.7) kg/m(2), and AHI 69 (20) events/h. Weight reduction was higher for the IG than the CG at 3 and 12 months, -10.5 versus -2.3 kg (P <.001), and -8.2 versus -0.1 kg (P <.001), respectively, as was loss of visceral fat at 12 months. AHI decreased more in the IG at 3 months (-23.72 versus -9 events/h) but the difference was not significant at 12 months, though 28% of patients from the IG had an AHI < 30 events/h compared to none in the CG (P=.046). At 12 months, the IG showed a reduction in C-reactive protein (P=.013), glycated hemoglobin (P=.031) and an increase in high density lipoprotein cholesterol (P = .027). Conclusions: An IWLP in patients with obesity and severe OSA is effective for reducing weight and OSA severity. It also results in an improvement in lipid profiles, glycemic control, and inflammatory markers.
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