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  • Title: [A study of relationship between obstructive sleep apnea-hypopnea syndrome in hypertension and insulin].
    Author: Bi YW, Yan ZT, Li NF, Cheng WP, Han RM, Zhang LL, Wang YC, Wang XL, Zu FY.
    Journal: Zhonghua Nei Ke Za Zhi; 2011 Sep; 50(9):734-7. PubMed ID: 22176958.
    Abstract:
    OBJECTIVE: To investigate the association between the obstructive sleep apnea-hypopnea syndrome (OSAHS) in hypertension and insulin. METHODS: A total of 521 patients were divided into 4 groups according to apnea-hypopnea index and OSAHS degrees. The control group (group I), mild OSAHS group (group II), moderate OSAHS group (group III) and severe OSAHS group (group IV) had 89 patients, 194 patients, 118 patients and 120 patients respectively. RESULTS: The BMI [(30.4 ± 3.8) kg/m(2)], apnea-hypopnea index (AHI, 3.8 ± 0.1), Fasting insulin (FIns) [(3.08 ± 0.26) mU/L] and insulin resistance (2.43 ± 0.27) of patients in severe OSAHS group were significantly higher than that of in the control, mild OSAHS group and moderate OSAHS group (P < 0.01). The levels of saturation of minimum oxygen from skin of patients in severe OSAHS group was significantly lower (MSpO(2)) than in that of the control, mild OSAHS group and moderate OSAHS group. Multiple linear regression analysis showed that fasting plasma insulin and insulin resistance was positive correlation with apnea-hypopnea index, while they also negatively associated with saturation of minimum oxygen. CONCLUSIONS: FIns and insulin resistance strongly associate with AHI and levels of saturation of minimum oxygen from skin. Hypertensive patients with OSAHS have more chances to suffer with insulin resistance.
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