趙良平,王學(xué)斌,王莉,陳建昌,徐衛(wèi)亭,佟光明,楊向軍
心臟內(nèi)科住院患者阻塞性睡眠呼吸暫停低通氣綜合征的患病風(fēng)險及預(yù)后的關(guān)系
趙良平,王學(xué)斌,王莉,陳建昌,徐衛(wèi)亭,佟光明,楊向軍
目的通過柏林問卷篩查心臟內(nèi)科住院患者阻塞性睡眠呼吸暫停低通氣綜合征(OSAHS)的高危人群,評價OSAHS高危與心血管疾病患者預(yù)后的關(guān)系。方法選取2013年1月—2014年1月蘇州大學(xué)附屬第二醫(yī)院心臟內(nèi)科住院患者618例為研究對象,入院病情穩(wěn)定后進(jìn)行柏林問卷調(diào)查,根據(jù)評分將患者分為OSAHS高危組(≥2分,274例)和OSAHS低危組(≤1分,344例)。收集患者既往病史、現(xiàn)病史資料和隨訪1年后再住院、心因性死亡發(fā)生情況。結(jié)果OSAHS高危組年齡、頸圍、體質(zhì)量、體質(zhì)指數(shù)(BMI)、身高校正的頸圍、既往腦血管意外及高血壓、糖尿病、高脂血癥、慢性腎功能不全患病率高于OSAHS低危組(P<0.05)。隨訪期間,OSAHS高危組患者再住院70例(25.5%),OSAHS低危組患者再住院52例(15.1%),OSAHS高危組再住院率高于OSAHS低危組(χ2= 10.470,P=0.002)。OSAHS高危組患者心因性死亡17例(6.2%),OSAHS低危組患者心因性死亡4例(1.2%),OSAHS高危組心因性病死率高于OSAHS低危組(χ2=11.810,P=0.001)。多因素Logistic回歸分析結(jié)果顯示,既往腦血管意外〔b=0.571,OR=1.763,95%CI(1.017,3.085),P=0.045〕和高危OSAHS〔b=0.560,OR=1.751,95%CI(1.084,2.828),P=0.022〕是心臟內(nèi)科住院患者再住院的危險因素;高危OSAHS〔b=1.157,OR=3.182,95%CI(1.045,9.687),P=0.042〕是心臟內(nèi)科住院患者心因性死亡的危險因素。結(jié)論心血管疾病患者OSAHS高危人群合并高血壓的比例較高,發(fā)生不良預(yù)后的風(fēng)險增加。
睡眠呼吸暫停,阻塞性;心血管疾病;影響因素分析;預(yù)后
趙良平,王學(xué)斌,王莉,等.心臟內(nèi)科住院患者阻塞性睡眠呼吸暫停低通氣綜合征的患病風(fēng)險及預(yù)后的關(guān)系[J].中國全科醫(yī)學(xué),2015,18(32):3918-3921.[www.chinagp.net]
Zhao LP,Wang XB,Wang L,et al.Relationship Between High Risk for Obstructive Sleep Apnea Hypopnea Syndrome and Prognosis of PatientsWith Cardiovascular Diseases[J].Chinese General Practice,2015,18(32):3918-3921.
阻塞性睡眠呼吸暫停低通氣綜合征(OSAHS)是以睡眠時反復(fù)部分或完全上呼吸道梗阻為特征,表現(xiàn)為反復(fù)發(fā)生的呼吸暫?;虻屯?,伴有間歇性低氧血癥和高碳酸血癥的疾病。據(jù)報道,成年人群OSAHS患病率低于5%[1-2],60歲以上人群OSAHS患病率高于30%[3]。OSAHS與心肌梗死、心絞痛、心律失常、心力衰竭等心血管疾病的發(fā)生有關(guān),其機(jī)制可能為OSAHS間歇性低氧所致氧化應(yīng)激、炎性反應(yīng)、血管內(nèi)皮細(xì)胞損傷等[4]。柏林問卷評估OSAHS簡單、方便,與多導(dǎo)睡眠監(jiān)測診斷OSAHS總符合率較高[5-6]。本研究采用柏林問卷篩查心臟內(nèi)科住院患者發(fā)生OSAHS高危人群,并分析OSAHS與患者預(yù)后的關(guān)系。
1.1研究對象選取2013年1月—2014年1月蘇州大學(xué)附屬第二醫(yī)院心臟內(nèi)科住院患者618例為研究對象,其中男414例,女204例;年齡19~95歲,平均年齡(63.5±14.8)歲。排除標(biāo)準(zhǔn):(1)不同意接受問卷調(diào)查;(2)意識喪失,無能力接受問卷調(diào)查;(3)合并惡性腫瘤。本研究經(jīng)本院倫理委員會批準(zhǔn),患者均知情并同意。
1.2研究方法
1.2.1柏林問卷調(diào)查患者于入院病情穩(wěn)定后自行填寫柏林問卷[5],無法自行填寫者由研究者詢問。根據(jù)柏林問卷評分將患者分為OSAHS高危組(≥2分,274例)和OSAHS低危組(≤1分,344例)。
1.2.2臨床資料測量患者頸圍、身高、體質(zhì)量,計算體質(zhì)指數(shù)(BMI)和身高校正的頸圍(頸圍/身高)。記錄患者臨床特征,包括冠心病家族史,既往吸煙史,腦血管意外、心肌梗死病史,經(jīng)皮冠狀動脈介入治療(PCI)史,合并高血壓、糖尿病、高脂血癥、慢性腎功能不全及主要診斷。
1.2.3隨訪問卷調(diào)查后對患者進(jìn)行1年的隨訪,記錄再住院和心因性死亡(猝死或死于心肌梗死、心力衰竭、惡性心律失常)發(fā)生情況。
1.3統(tǒng)計學(xué)方法采用SPSS 17.0軟件進(jìn)行統(tǒng)計分析,計量資料以(±s)表示,組間比較采用獨(dú)立樣本t檢驗;計數(shù)資料采用相對數(shù)表示,組間比較采用χ2檢驗;采用多因素Logistic回歸模型分析再住院和心因性死亡的危險因素。以P<0.05為差異有統(tǒng)計學(xué)意義。
2.1兩組臨床資料比較OSAHS高危組與OSAHS低危組性別、身高、冠心病家族史、吸煙、既往心肌梗死、PCI史及主要診斷比較,差異無統(tǒng)計學(xué)意義(P>0.05)。OSAHS高危組年齡、頸圍、體質(zhì)量、BMI、身高校正的頸圍、既往腦血管意外及高血壓、糖尿病、高脂血癥、慢性腎功能不全患病率高于OSAHS低危組(P<0.05,見表1)。
2.2再住院率隨訪期間,OSAHS高危組患者再住院70例(25.5%),OSAHS低危組患者再住院52例(15.1%),OSAHS高危組再住院率高于OSAHS低危組(χ2=10.470,P=0.002)。以患者各臨床特征為自變量,是否發(fā)生再住院為因變量行多因素Logistic回歸分析,結(jié)果顯示,既往腦血管意外〔b=0.571,OR= 1.763,95%CI(1.017,3.085),P=0.045〕、高危OSAHS〔b=0.560,OR=1.751,95%CI(1.084,2.828),P=0.022〕進(jìn)入回歸方程,是心臟內(nèi)科住院患者再住院的危險因素。
2.3心因性病死率隨訪期間,OSAHS高危組患者心因性死亡17例(6.2%),OSAHS低危組患者心因性死亡4例(1.2%),OSAHS高危組心因性病死率高于OSAHS低危組(χ2=11.810,P=0.001)。以患者各臨床特征為自變量,以是否發(fā)生心因性死亡為因變量行多因素Logistic回歸分析,結(jié)果顯示,高危OSAHS〔b= 1.157,OR=3.182,95%CI(1.045,9.687),P= 0.042〕進(jìn)入回歸方程,是心臟內(nèi)科住院患者心因性死亡的危險因素。
調(diào)查顯示,近年OSAHS患病率呈上升趨勢。Gislason等[7]于1988年報道歐洲國家OSAHS患病率為1.0%~2.7%,高雪梅等[8]于1997年報道國內(nèi)OSAHS患病率為1.2%~3.7%。而2009年美國睡眠醫(yī)學(xué)協(xié)會報道成人OSAHS的患病率達(dá)2%~4%[9],我國近年不同地區(qū)的調(diào)查顯示OSAHS患病率為4.2%~9.6%[2,10-11]。
表1 兩組患者臨床資料比較Table 1 Comparison of clinical characteristics between the two groups
柏林問卷是篩查OSAHS簡單、有效方法,多位學(xué)者分別對手術(shù)治療患者[5]、診室疑似OSAHS患者[6]和普通人群[12]進(jìn)行柏林問卷評估和多導(dǎo)睡眠監(jiān)測,柏林問卷均顯示出較好的靈敏度和特異度。OSAHS是冠心病、心力衰竭、心律失常、高血壓、肺動脈高壓等心血管疾病發(fā)病與不良預(yù)后的重要危險因素[13-16]。美國心臟病學(xué)會基金會(ACCF)和美國心臟協(xié)會(AHA)《睡眠呼吸暫停與心血管疾病專家共識》指出,50%的OSAHS患者合并高血壓,而至少30%的高血壓患者伴有OSAHS[17]。Gus等[18]對難治性高血壓患者調(diào)查顯示,78%的患者合并OSAHS。本研究結(jié)果顯示,心臟內(nèi)科住院患者OSAHS高危占44.3%(274/618),OSAHS高危和OSAHS低危人群分別有90.1%、48.3%的患者合并高血壓。
Correia等[19]研究顯示,在非ST段抬高型急性冠脈綜合征患者中,合并OSAHS的患者住院期間心血管事件發(fā)生率高于不合并OSAHS的患者。同時,合并OSAHS的冠心病患者5年病死率為38%,高于無OSAHS患者的9%[20]。OSAHS患者睡眠過程中反復(fù)發(fā)生呼吸暫停,形成間歇性低氧血癥和高碳酸血癥,引起夜間交感神經(jīng)功能亢進(jìn),兒茶酚胺分泌增多;另外,OSAHS患者夜間反復(fù)的低氧、再氧和促使白細(xì)胞活化,炎性因子釋放增加和超氧化物自由基產(chǎn)生過多,損傷血管內(nèi)皮功能[4],從而對心血管疾病患者的預(yù)后產(chǎn)生不良影響。本研究多因素Logistic回歸分析結(jié)果顯示,高危OSAHS是心臟內(nèi)科患者1年內(nèi)再住院和心因性死亡的危險因素。
研究表明,普通人群男性O(shè)SAHS患病率高于女性,約為2∶1~3∶1[21]。分析其原因為:(1)女性孕激素和雌激素對上呼吸道擴(kuò)張肌具有激活作用,避免睡眠時的氣道塌陷;(2)女性體內(nèi)瘦素水平高于男性,而瘦素具有刺激呼吸的作用;(3)男性咽旁脂肪墊較女性厚,頸部軟組織較女性多,因此更易導(dǎo)致睡眠時氣道受壓迫而塌陷;(4)男性喉部面積大、脆弱、變化性大,易在睡眠時發(fā)生改變;而女性上呼吸道雖較男性窄,但硬度高,因此較男性不易發(fā)生塌陷[22]。本研究顯示,OSAHS高危組和OSAHS低危組患者性別構(gòu)成并無差異,可能為心臟內(nèi)科女性患者年齡較高,多數(shù)已絕經(jīng),孕激素和雌激素對氣道的保護(hù)作用喪失和氣道硬性降低。
本研究為單中心研究,采用柏林問卷篩查OSAHS,準(zhǔn)確性低于多導(dǎo)睡眠監(jiān)測。在下一步的研究中,應(yīng)納入多中心的心血管疾病患者,采用多導(dǎo)睡眠監(jiān)測篩查OSAHS人群,并延長隨訪時間,進(jìn)一步分析OSAHS與心血管疾病預(yù)后的關(guān)系。
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(本文編輯:吳立波)
Relationship Between High Risk for Obstructive Sleep Apnea Hypopnea Syndrome and Prognosis of Patients W ith Cardiovascular Diseases
ZHAO Liang-ping,WANG Xue-bin,WANG Li,et al.Department of Cardiology,the SecondAffiliated Hospital of Soochow University,Suzhou 215004,China
Objective To investigate the relationship between high risk for obstructive sleep apnea hypopnea syndrome (OSAHS)and prognosis of patientswith cardiovascular diseases,through the screening of high risk for OSAHSamong cardiology department inpatients by Berlin questionnaire.M ethods We enrolled 618 inpatients of the Department of Cardiology of the Second Affiliated Hospital of Soochow University from January 2013 to January 2014.After the illness got stable,the subjects were administrated with Berlin questionnaire.According to the scores,the subjects were divided into OSAHS high-risk group (≥2,n=274)and OSAHS low-risk group(≤1,n=344).We collected data concerning medical history,history of present illness,readmission after one-year follow-up and psychogenic death.Results The high-risk group was higher(P<0.05)than the low-risk group in age,neck circumference,body mass,BMI,neck circumference after height correction and the proportions of patients with previous cerebrovascular accidents,complicated hypertension,diabetes mellitus,hyperlipemia and chronic renal insufficiency.During the follow-up,70(25.5%)patients in high-risk group and 52 (15.1%)patients in low-risk group were readmitted into the hospital,the high-risk group having higher readmission rate thanthe low-risk group(χ2=10.470,P=0.002).Psychogenic death occurred in 17(6.2%)patients in high-risk OSAHS group and 4(1.2%)patients in low-risk group,the high-risk group having higher psychogenicmortality rate than low-risk group(χ2=11.810,P=0.001).Themultivariate Logistic regression analysis showed that previous cerebrovascular accidents〔b=0.571,OR=1.763,95%CI(1.017,3.085),P=0.045〕and high risk for OSAHS〔b=0.560,OR=1.751,95% CI(1.084,2.828),P=0.022〕were risk factors for the readmission of cardiology department inpatients;high risk for OSAHS〔b=1.157,OR=3.182,95%CI(1.045,9.687),P=0.042〕were risk factors for psychogenic death of cardiology department inpatients.Conclusion Patients with cardiovascular diseases and high risk for OSAHS have higher incidence of complicated hypertension and higher risk in adverse prognosis.
Sleep apnea,obstructive;Cardiovascular diseases;Root cause analysis;Prognosis
R 563.8
A
10.3969/j.issn.1007-9572.2015.32.006
蘇州市科技發(fā)展計劃項目(SYS201237)
215004江蘇省蘇州市,蘇州大學(xué)附屬第二醫(yī)院心臟內(nèi)科(趙良平,王學(xué)斌,王莉,陳建昌,徐衛(wèi)亭,佟光明);蘇州大學(xué)附屬第一醫(yī)院心臟內(nèi)科(楊向軍)
佟光明,215004江蘇省蘇州市,蘇州大學(xué)附屬第二醫(yī)院心臟內(nèi)科;E-mail:tgm1@sina.com
2015-03-10;
2015-06-11)