气道正压通气治疗对重度阻塞性睡眠呼吸暂停患者肺动脉压影响的研究
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Effects of positive airway pressure treatment on pulmonary artery pressure in patients with severe obstructive sleep apnea syndrome
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    摘要:

    目的:探讨不伴有其他心肺疾病的重度阻塞性睡眠呼吸暂停综合征(OSAS)患者是否伴发肺动脉高压(PH),并比较两种不同方式气道正压通气治疗,即持续气道正压通气(CPAP)和双水平气道正压通气(BiPAP)治疗对肺动脉压(PPA)的影响。方法:选择排除了其他心肺疾病的重度OSAS患者14例,利用超声多普勒检查测量PPA,并根据所采用气道正压治疗方式分成两组,即CPAP治疗组(n = 7)和BiPAP治疗组(n = 7),分别于接受6个月的CPAP和BiPAP治疗后,复查PPA并比较其治疗前后的变化。结果:14例重度OSAS患者中有5位(35.7%)有轻度PH。总体比较显示14例OSAS患者气道正压通气治疗6个月时PPA均较治疗前有所降低[(29.6 ± 7.2)mmHg] vs(26.0 ± 5.0)mmHg,P < 0.05]。两组治疗前后比较显示,CPAP治疗后PPA虽有降低趋势,但无统计学意义[(29.0 ± 6.6)mmHg vs(27.7 ± 5.9)mmHg,P > 0.05],而BiPAP治疗后PPA显著降低[(30.1 ± 8.3)mm Hg vs(24.3 ± 3.6)mm Hg,P < 0.05]。结论:重度OSAS患者可发生PH,BiPAP治疗可能降低他们的PPA,因而可能防治OSAS患者的PH。

    Abstract:

    Objective:To investigate whether there is pulmonary hypertension(PH) in patients with severe obstructive sleep apnea syndrome(OSAS) and to evaluate the effect of two different positive airway pressure treatments,namely continuous positive airway pressure(CPAP) and Bi-level positive airway pressure(BiPAP) treatments,on pulmonary arterial pressure(PPA) in OSAS patients. Methods:Fourteen severe OSAS patients without cardiac or lung diseases were recruited and were divided into two groups,CPAP group(7 patients) and BiPAP group(7 patients) based on the method of positive airway pressure they received. Pulsed-wave doppler echocardiography was used for estimating their PPA, which was compared before and after 6-months’ treatment in all patients as well as between two groups. Results:Of all severe 14 OSAS patients, mild PH were detected in 5 patients(35.7%). After 6-months’ positive airway treatment,the PPA in 14 OSAS patients was significantly lower than that before treatments[(29.6 ± 7.2)mmHg vs(26.0 ± 5.0)mmHg,P < 0.05]. Comparison of PPA before and after different positive pressure treatment between two groups demonstrated that in CPAP group,although there seemed a tendency of decrease in PPA after CPAP treatment,no statistical significance was observed[(29.0 ± 6.6)mmHg vs(27.7 ± 5.9)mmHg,P > 0.05];however,in BiPAP group there was a significant decrease in PPA after BiPAP treatment,compared with that before treatment[(30.1 ± 8.3)mmHg vs(24.3 ± 3.6)mmHg,P < 0.05]. Conclusion:PH may occur in severe OSAS patients. The PPA in OSAS patients can be decreased by BiPAP treatment which is favorable for treatment and prevention of PH in OSAS patients.

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张东丽,雍永宏,王〓虹.气道正压通气治疗对重度阻塞性睡眠呼吸暂停患者肺动脉压影响的研究[J].南京医科大学学报(自然科学版),2008,28(3):372-375

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  • 收稿日期:2007-10-22
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