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2018阻塞性睡眠呼吸暂停低通气综合征与勃起功能障碍的相关性研究

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发表于 2018-8-14 22:24:31 | 显示全部楼层 |阅读模式
  【摘要】目的:探讨阻塞性睡眠呼吸暂停低通气综合征(OSAHS)患者与勃起功能障碍(ED)之间的相关性。方法:OSAHS患者60例,纳入观察组;门诊体检健康志愿者60例,纳入对照组,采用PSG睡眠监测仪和NPT同步监测两组患者睡眠状态及阴茎勃起情况,包括呼吸暂停低通气指数(AHI)、最低动脉血氧饱和度(minSaO2)和阴茎血容积变化率(%)。硝酸还原酶法、比色法分别检测NO、iNOS浓度,ECLIA法检测血清睾酮(T)、游离睾酮(FT)、卵泡刺激素(FSH)、黄体生成激素(LH)、催乳素(PRL)水平,国际勃起功能指数评分5项(IIEF-5)评估男性OSAHS患者ED的发病率,并对数据进行相关分析。结果:OSAHS组T(2.10±2.42)、FT(9.76±2.33)、NO(72.51±11.74)、iNOS(25.32±11.57)、minSaO2(71.23±5.71)、阴茎血容积变化率(158.36±32.87),与对照组相比,差异有非常显著的统计学意义(P /6/view-10699796.htm
  【关键词】阻塞性睡眠呼吸暂停低通气综合征;勃起功能障碍;相关性;研究
  Correlation between obstructive sleep apnea-hypopnea syndrome and erectile dysfunctionHU Haixiang1, SUN Tiye1, FANG Hong2, YAN Wei3, XU Shaoqiang1, LIU Hongming1, SHEN Chuanyun1, SUN Zhe1, ZHANG Qilong1, WEI Shifu1. 1. Department of Integrated Traditional and Western Medicine Andrology, General Hospital of PLA Airforce, Beijing 100142, China; 2. Department of Radiology, General Hospital of PLA Airforce, Beijing 100142, China; 3. Forth Cadres Ward, General Hospital of PLA Airforce, Beijing 100142, China
  【Abstract】Objectives: To investigate the correlation of obstructive sleep apnea-hypopnea syndrome (OSAHS) with erectile dysfunction. Methods: 60 OSAHS patients were selected as observation group and 60 healthy subjects as controls group. The dormancy and penile erection of two groups were determined synchronously by polysomnography and nocturnal penile tumeascence, including appnea hypopnea index (AHI), minimal arterial blood oxygen saturation (minSaO2) and change rate of penis’ blood volume (%). NO was measured by nitrate reduction enzymatic method, and iNOS by colorimetric assay, testosterone, T, FT, FSH, LH, PRL by electrochemiluminescence immunoassay (ECLIA), and the incidence of erectile dysfunction among OSAHS patients was evaluated by 5-item version of the international index of erectile function (IIEF-5). Results: For OSAHS group, the results included testosterone (2.10±2.42), flow testosterone (9.76±2.33), nitric oxide (72.51±11.74), inducible nitric oxide synthase (25.32±11.57), minimal arterial blood oxygen saturation (71.23±5.71) and change rate of penis’ blood volume (158.36±32.87), with significant difference from the control group (P    睾酮(testosterone,T)是固醇类化合物,具有促进性器官发育成熟、维持正常性功能、促进精子生成发育等功能。男性性功能障碍以ED最为常见。男性阴茎勃起受到包括神经、血管以及体内内分泌水平的综合影响,其中对维持男性性欲以及自发勃起产生影响最大的是下丘脑-垂体-性腺轴,其调控分泌的雄激素是完成男性性活动所必需的物质。T是体内生物活性最强的雄激素,在促进性器官发育和维持性功能方面起着重要作用[18],而T水平的下降是男性性功能下降的主要原因之一。目前关于OSAHS患者导致ED的发病机制尚不是十分明确,有些学者认为是由于间歇性缺氧促进了血浆儿茶酚胺水平的升高,使交感神经的兴奋性增强,从而破坏阴茎勃起的生理机制。男性进入更年期后,睾酮水平逐步下降,ED发病率呈明显提高。本次研究通过对OSAHS患者体内T水平检测,结果显示T水平明显降低,说明OSAHS患者确实存在睾酮水平下降,这与国外的研究报道一致。OSAHS患者血清FSH、LH、PRL含量与对照组比较,无统计学差异(P>0.05),说明OSAHS患者体内的性激素水平并未受到明显的影响。血清T水平与OSAHS患者病情的严重程度呈正相关,与IIEF-5之间呈负相关,说明机体缺氧状态越严重则血清T水平下降越明显。对正常男性来说,睾酮分泌高峰早上6:00左右,而OSAHS患者睾酮分泌高峰时间延迟在上午10:00左右,OSAHS患者夜间呈低氧状态与其血中睾酮水平低、睾酮分泌高峰时间延迟有显著关系。因此,我们推测血清T降低可能是OSAHS患者导致ED发生的重要发病机制之一。我们认为,对OSAHS导致ED发生的发病机制的探索对于提高男性疾病的防控水平至关重要,但是否与患者本身的遗传易感性、肥胖和心脑血管有关,尚需进一步的深入研究。
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