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  • Title: [Roles of hypertension and serum leptin in obstructive sleep apnea hypopnea syndrome].
    Author: Huang R, Xiao Y, Zhong X, Li M, Huang XZ.
    Journal: Zhongguo Yi Xue Ke Xue Yuan Xue Bao; 2010 Apr; 32(2):157-61. PubMed ID: 20450544.
    Abstract:
    OBJECTIVE: To explore the roles of hypertension and serum leptin in obstructive sleep apnea hypopnea syndrome (OSAHS). METHODS: Totally 60 patients with OSAHS (OSAHS group) and 40 age- and body mass index (BMI)-matched non-OSAHS individuals (non-OSAHS group) were enrolled in this study. The neck circumference (NC), waist/hip rate (WHR), systolic blood pressure (SBP), diastolic blood pressure (DBP), leptin, fasting blood glucose (FBG), triglyceral (TG), cholesterol (Chol), and true insulin (TI) were measured before and after sleep . The correlations between hypertension/serum leptin level and OSAHS were analyzed. RESULTS: The blood pressure(in the morning), especially DBP was significantly higher in OSAHS group than in non-OSAHS control group (89.75+/-2.04) mmHg vs. (81.63+/-1.91) mmHg, P<0.01. DBP in OSAHS group was positively correlated with serum leptin and apnea hypopnea index (AHI) (r=0.282, P<0.05; r=0.318, P<0.01). Logistic regression analysis showed that BMI (P=0.029), heart rate in the morning (P =0.030), and leptin (P=0.049) were independently correlated with the development of hypertension. CONCLUSIONS: OSAHS may independently affect blood pressure, especially DBP, after waking up. BMIHR in the morning and serum leptin may be the independent correlates of hypertension.
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