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  • Title: [Plasma resistin level in obstructive sleep apnea hypopnea syndrome].
    Author: Li M, He XG, Qu SH, Zhan HM, Yang YB, Xu X, Si YF.
    Journal: Zhonghua Yi Xue Za Zhi; 2008 Sep 09; 88(34):2399-402. PubMed ID: 19087714.
    Abstract:
    OBJECTIVE: To explore the changes and clinical implications of plasma resistin level in obstructive sleep apnea hypopnea syndrome (OSAHS). METHODS: Plasma resistin level was measured by radioimmunoassay in 30 obese OSAHS patients (obese OSAHS group), 7 in the low apnea hypopnea index (AHI) subgroup, 9 in the medium AHI subgroup, and 14 in the high AHI subgroup, 30 obese subjects (obese group), and 28 normal healthy adults (control group). Stepwise multiple linear regression analysis was conducted to determine the correlation of plasma resistin level with body mass index (BMI), body fat percentage, waist to hip ratio (WHR), fasting blood glucose (FBG), blood lipid, AHI, and lowest arterial oxygen saturation (LSaO(2)). RESULTS: The plasma resistin levels of the obese OSAHS group and obese group were (8.48 +/- 1.44) and (7.60 +/- 1.53) microg/L respectively, both significantly higher than that of the control group [(5.78 +/- 1.62) microg/L, both P < 0.05], and that of the obese OSAHS group was significantly higher than that of the obese group (P < 0.05). The plasma resistin level of the high AHI obese OSAHS subgroup was (9.60 +/- 0.51) microg/L, significantly higher than those of the medium and low AHI obese OSAHS subgroups [(7.96 +/- 1.06) and (6.90 +/- 1.32) microg/L respectively, both P < 0.01]. Correlation analysis demonstrated that the fasting plasma resistin level was positively correlated with BMI, neck circumference, waist circumference, WHR, FBG, total cholesterol, triglyceride, and AHI (r = 0.52, 0.66, 0.74, 0.52, 0.59, 0.48, 0.46, and 0.80, all P < 0.05); and negatively correlated with high-density lipoprotein cholesterol and LSaO(2) (r = -0.52, r = -0.60, both P < 0.01). A stepwise multiple linear regression analysis showed that AHI was the most significant contributing factor for the increased plasma resistin level in the obese OSAHS group (R(2) = 0.618). CONCLUSIONS: Plasma resistin level in obese OSAHS patients are increased, and are positively correlated with AHI. It may be used as an important biological index to evaluate the severity of OSAHS.
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