蘇艷娜,賈睿奕,耿學麗,張 慶△
(1.承德醫(yī)學院,河北承德 067000;2.承德醫(yī)學院附屬醫(yī)院)
中重度OSAHS患者血糖血脂水平臨床分析*
蘇艷娜1,賈睿奕1,耿學麗2,張慶2△
(1.承德醫(yī)學院,河北承德 067000;2.承德醫(yī)學院附屬醫(yī)院)
目的:探討阻塞性睡眠呼吸暫停低通氣綜合征(obstructive sleep apnea-hypopnea syndrome,OSAHS)患者血清血糖和血脂水平的變化。方法:入選中度OSAHS患者、重度OSAHS患者和健康者各35例。所有研究對象均行多導睡眠監(jiān)測(PSG)并檢測受試者血清空腹血糖(FPG)、甘油三酯(TG)、膽固醇(Chol)、低密度脂蛋白(LDL)、高密度脂蛋白(HDL)的水平。結(jié)果:中、重度OSAHS組呼吸暫停低通氣指數(shù)(AHI)、FBP、TG、Chol和LDL明顯高于健康對照組,LaSO2、HDL明顯低于健康對照組(P<0.01);重度OSAHS組AHI、FBP、TG、Chol和LDL明顯高于中度組,LaSO2、HDL明顯低于中度組(P<0.01)。結(jié)論:OSAHS患者空腹血糖、血脂水平均明顯升高,且與睡眠呼吸暫停嚴重程度有關,監(jiān)控OSAHS患者血糖、血脂水平對OSAHS患者的預后和轉(zhuǎn)歸具有重要作用。
阻塞性睡眠呼吸暫停;空腹血糖;血脂;氧化應激
阻塞性睡眠呼吸暫停低通氣綜合征(OSAHS)是目前常見的一種睡眠呼吸障礙性疾病。OSAHS患者夜間反復出現(xiàn)呼吸暫停和(或)低通氣,形成間歇性低氧-復氧循環(huán),觸發(fā)瀑布式的氧化應激和炎癥反應。因此認為,OSAHS是一種氧化應激性、全身性炎癥反應性疾病。目前,OSAHS已成為多種心腦血管疾病以及代謝紊亂的獨立危險因素[1-4]。本研究檢測了70例OSAHS患者空腹血糖(FPG)、甘油三酯(TG)、膽固醇(Chol)、低密度脂蛋白(LDL)、高密度脂蛋白(HDL)的水平,并探討了它們與OSAHS的相關性,以期了解不同嚴重程度OSAHS患者血糖、血脂水平的變化。
1.1一般資料 ⑴OSAHS組:2014年1月-2014年5月因夜間睡眠打鼾到承德醫(yī)學院附屬醫(yī)院呼吸內(nèi)科就診的患者,中度OSAHS患者35例,年齡(48.83±2.15)歲;重度OSAHS患者35例,年齡(49.01±2.19)歲。經(jīng)我科PSG監(jiān)測均符合OSAHS,診斷標準參照2011年中華醫(yī)學會呼吸病學分會睡眠呼吸障礙學組制定的《阻塞性睡眠呼吸暫停低通氣綜合征診治指南(2011年修訂版)》[5]。⑵健康對照組:為35例PSG監(jiān)測正常者,年齡(50.19±3.11)歲。以上兩組均排除充血性心力衰竭、慢性阻塞性肺病、支氣管哮喘、心腦血管疾病等。
1.2研究方法 ⑴多導睡眠呼吸監(jiān)測:采用飛利浦偉康Alice 5多導睡眠監(jiān)測系統(tǒng)進行睡眠監(jiān)測,檢測前24h禁用鎮(zhèn)靜和興奮性藥物。連續(xù)監(jiān)測至少7h,記錄數(shù)據(jù)包括:鼻氣流、血氧飽和度、胸腹呼吸運動、心電圖、頦肌電圖、腦電圖、鼾聲、體位等,并記錄呼吸暫停低通氣指數(shù)(AHI)、最低血氧飽和度(LaSO2)等指標。數(shù)據(jù)自動存儲,應用系統(tǒng)配套處理軟件對數(shù)據(jù)進行分析并人工校正。(2)檢測FPG、TG、Chol、LDL、HDL:所有入選研究對象在行PSG監(jiān)測次日晨醒后7:00抽取空腹靜脈血,離心后檢測血清FPG、TG、Chol、LDL、HDL水平。
1.3統(tǒng)計分析 采用SPSS 17.0統(tǒng)計軟件進行統(tǒng)計分析,計量資料以均數(shù)±標準差()表示,多組間均數(shù)的比較采用單因素方差分析、兩兩比較采用SNK-q法。
2.1中、重度組OSAHS患者與健康對照組一般資料比較 三組受試者年齡、體質(zhì)量、體質(zhì)量指數(shù)、腰圍比較,差異無統(tǒng)計學意義(P>0.05)。見表1:
表1 中、重度OSASH組與對照組一般資料比較()
表1 中、重度OSASH組與對照組一般資料比較()
分組 例數(shù) 年齡(歲) 體質(zhì)量(kg) 體質(zhì)量指數(shù)(kg/m2) 腰圍(cm)健康對照組中度組重度組35 35 35 50.19±3.11 48.83±2.15 49.01±2.19 83.99±1.11 85.09±2.66 84.16±2.91 26.34±1.11 27.09±0.99 26.79±1.67 94.36±1.11 95.76±8.73 96.81±7.09 1.2421>0.05 FP 2.1440>0.05 2.1946>0.05 2.9918>0.05
2.2三組受試者PSG指標和生化指標比較 中、重度OSAHS組AHI、FBP、TG、Chol和LDL明顯高于健康對照組,LaSO2、HDL明顯低于健康對照組(P<0.01);重度OSAHS組AHI、FBP、TG、Chol和LDL明顯高于中度組,LaSO2、HDL明顯低于中度組(P<0.01)。見表2:
表2 中、重度OSAHS患者與對照組PSG指標和生化指標比較()
表2 中、重度OSAHS患者與對照組PSG指標和生化指標比較()
與健康對照組比較:aP<0.01;與中度OSAHS組比較:bP<0.01
項目 健康對照組中度OSAHS組重度OSAHS組 F P例數(shù) 35 35 35 AHI(次/h) 3.18±0.96 23.73±1.11a 45.8±1.19ab 13362.77?。?.01 LaSO2(%) 91.39±2.66 75.48±2.66a 66.34±2.91ab 532.825 <0.01 FPG(mmol/L) 5.3±0.71 6.0±0.84a 6.5±0.61ab 24.118?。?.01 TG(mmol/L) 1.52±0.6 2.01±0.9a 2.64±0.8ab 18.287?。?.01 Chol(mmol/L) 4.3±0.87 4.89±0.91a 5.48±0.86ab 15.723?。?.01 LDL(mmol/L)1.96±0.47 2.64±0.56a 3.0±0.36ab 44.102 <0.01 HDL(mmol/L)1.58±0.5 1.26±0.47a 0.9±0.51ab 16.624?。?.01
OSAHS患者由于氣道塌陷或呼吸中樞反應性降低,夜間反復發(fā)生間歇性低氧,這種類似缺血-再灌注損傷的低氧-復氧循環(huán),可使機體產(chǎn)生過多的活性氧自由基(ROS),引起氧化應激反應。Schulz等[6]和Dyugovskaya等[7]觀察發(fā)現(xiàn),OSAHS患者產(chǎn)生的ROS明顯高于健康對照組;多項研究也證實,OSAHS患者體內(nèi)存在著系統(tǒng)性炎癥反應綜合征。Vsevolod等[8]發(fā)現(xiàn),間歇性低氧(IH)組小鼠存在胰島素抵抗,證實了x氧化應激能增加胰島素抵抗,并且抗氧化治療可降低小鼠胰島素抵抗水平[9]。因此,氧化應激和系統(tǒng)性炎癥反應作為OSAHS多系統(tǒng)損害的病理生理基礎,發(fā)揮著重要作用[10-13]。
本研究發(fā)現(xiàn),健康組、中度OSAHS組和重度OSAHS組患者,年齡、體質(zhì)量指數(shù)比較差異均無統(tǒng)計學意義,排除了年齡和體質(zhì)量指數(shù)對糖脂代謝水平的影響;同時發(fā)現(xiàn),OSAHS患者血清FPG、TG、Chol、LDL均顯著高于對照組,HDL顯著低于對照組,并且糖、脂代謝紊亂程度與OSAHS嚴重程度有關。可見,OSAHS患者存在糖、脂代謝紊亂,尤其是重度OSAHS患者。
總之,OSAHS與機體糖、脂代謝紊亂密切相關,且隨著OSAHS嚴重程度的加重,患者血糖、血脂水平也明顯增加。因此,提示臨床可以從血糖、血脂水平關注OSAHS的發(fā)展程度,加強對中、重度OSAHS的積極診治工作。
[1]Phillips BG,Somers VK.Hypertension and obstructive sleep apnea[J].Curr Hypertens Rep,2003, 5(5):380-385.
[2]Badran M,Ayas N,Laher I.Cardiovascular complications of sleep apnea: role of oxidative stress[J].Oxid Med Cell Longev,2014: 985258.
[3]Lavie L,Lavie P.Molecular mechanisms of cardiovascular disease in OSAHS: the oxidative stress link[J].Eur Respir J,2009,33(6): 1467-1484.
[4]Yamauchi M, Nakano H, Maekawa J, et al. Oxidative stress in obstructive sleep apnea[J]. Chest, 2005,127(5):1674-1679.
[5]中華醫(yī)學會呼吸分會睡眠呼吸障礙學組.阻塞型睡眠呼吸暫停低通氣綜合征診治指南(2011年修訂版)[J].中華結(jié)核和呼吸雜志,2012,35(1):9-12.
[6]Schulz R,Mahmoudi S,Hattar K,et al.Enhanced release of superoxide from polymorphonuclear neutrophils in obstructive sleep apnea:impact of continuous positive airway pressure therapy[J].Am J Respir Crit Care Med,2000,162(2 Pt 1):566-570.
[7]Dyugovskaya L,Lavie P,Lavie L.Increased adhesion molecules expression and production of reactive oxygen species in leukocytes of sleep apnea patients[J].Am J Respir Crit Care Med, 2002,165(7): 934-939.
[8]Polotsky YY,Li J,Punjabi NM,et al.Intermittent hypoxia increases insulin resistance in genetically obese mice[J].J Physiol,2003,552(Pt1):253-264.
[9]Maddux BA,See W,Lawrence JC,et a1.Protection against oxidative stress-induced insulin resistance in rat L6 muscle cells by micromolar concentrations of alpha-lipoic acid[J]. Diabetes,2001,50(2):404-410.
[10]Kono K,Tatsumi K,Saibara T,et al.Obstructive sleep apnea syndrome is associated with some components of metabolic syndrome[J].Chest,2007,131(5):1387-1392.
[11]Coughlin SR,Mawdsley L,Mugarza JA,et al.Obstructive sleep apnoea is independently associated with an increasing prevalence of metabolic syndrome[J].Eur Heart J,2004,25(9):735-741.
[12]Reichmuth KJ,Austin D,Skatmd JB,et al.Association of sleep apnea and type Ⅱ diabetes: a population-based study[J].Am J Respir Crit Care Med,2005,172(12):1590-1595.
[13]中華醫(yī)學會呼吸病學分會睡眠學組,中華醫(yī)學會糖尿病學分會.阻塞性睡眠呼吸暫停與糖尿病專家共識[J].中華結(jié)核和呼吸雜志,2010,33(5):326-330.
CLINICAL ANALYSIS OF BLOOD GLUCOSE AND BLOOD LIPID LEVEL OF PATIENTS WITH MODERATE-SEVERE OBSTRUCTIVE SLEEP APNEA-HYPOPNEA SYNDROME
SU Yan-na, JIA Rui-yi, GENG Xue-li, et al
(Chengde Medical College, Hebei Chengde 067000, China)
Objective: To investigate the changes of blood glucose and blood lipid level in serum of obstructive sleep apnea-hypopnea syndrome (OSAHS) patients. Methods: Healthy control group, moderate OSAHS group and severe OSAHS group respectively had 35 cases. All the participants were monitored by polysomnography (PSG); and the fastingplasma glucose (FPG), triglyceride (TG), cholesterol (Chol), low-density lipoprotein (LDL) and high-density lipoprotein (HDL)level in serum of all the participants were detected. Results: The AHI, FBP, TG, Chol and LDL of patients in moderate OSAHS group and severe OSAHS group were obviously higher than healthy control group (P<0.01); While the LaSO2and HDL were obvious lower (P<0.01). The AHI, FBP, TG, Chol and LDL of patients in severe OSAHS group were obviously higher than moderate OSAHS group (P<0.01); But the LaSO2and HDL were obvious lower (P<0.01). Conclusions: The blood glucose and blood lipid level of OSAHS patients increase obviously, and related to the severity of OSAHS. Monitoring the blood glucose and blood lipid level play an important role in prognosis and outcome of OSAHS.
Obstructive sleep apnea syndrome; Fasting plasma glucose; Blood lipid; Oxidative stress
R56
A
1004-6879(2016)01-027-03
2015-04-09)
* 國家十二五科技支撐計劃(2012BA105B02)