張彥紅,李 欣,劉鳳麗,席愛(ài)萍
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·論著·
牙周炎患者高血壓和頸動(dòng)脈粥樣硬化發(fā)病情況及其關(guān)系研究
張彥紅,李 欣,劉鳳麗,席愛(ài)萍
目的了解牙周炎患者高血壓和頸動(dòng)脈粥樣硬化的發(fā)病情況,探討牙周炎嚴(yán)重程度與高血壓及頸動(dòng)脈粥樣硬化的關(guān)系。方法選擇2012年6月—2015年6月在邯鄲市中醫(yī)院就診的牙周炎患者400例,均進(jìn)行牙周檢查、血壓測(cè)量及頸動(dòng)脈超聲檢查,并檢測(cè)血清超敏C反應(yīng)蛋白(hs-CRP)、白介素6(IL-6)及腫瘤壞死因子α(TNF-α)水平。結(jié)果本組400例牙周炎患者中檢出高血壓186例(占46.50%),頸動(dòng)脈粥樣硬化72例(占18.00%),高血壓并頸動(dòng)脈粥樣硬化37例(占9.25%),105例(占26.25%)患者為單純牙周炎;輕度牙周炎160例,中度牙周炎133例,重度牙周炎107例。不同嚴(yán)重程度牙周炎患者性別、年齡、體質(zhì)量、病程、高血壓家族史陽(yáng)性率、頸動(dòng)脈粥樣硬化家族史陽(yáng)性率比較,差異均無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05);重度牙周炎患者血清hs-CRP、IL-6、TNF-α水平高于輕度、中度牙周炎患者(P<0.05)。不同嚴(yán)重程度牙周炎患者疾病構(gòu)成比較,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。高血壓、頸動(dòng)脈粥樣硬化、高血壓并頸動(dòng)脈粥樣硬化患者血清hs-CRP、IL-6、TNF-α水平高于單純牙周炎患者,高血壓并頸動(dòng)脈粥樣硬化患者血清hs-CRP、IL-6、TNF-α水平高于高血壓、頸動(dòng)脈粥樣硬化患者(P<0.05)。結(jié)論牙周炎患者高血壓及頸動(dòng)脈粥樣硬化發(fā)生率較高,且牙周炎嚴(yán)重程度與高血壓及頸動(dòng)脈粥樣硬化發(fā)生風(fēng)險(xiǎn)增高有關(guān);炎性細(xì)胞因子在牙周炎、高血壓及頸動(dòng)脈粥樣硬化的發(fā)生和發(fā)展過(guò)程中發(fā)揮著重要作用。
牙周炎;高血壓;動(dòng)脈粥樣硬化;炎癥趨化因子類
張彥紅,李欣,劉鳳麗,等.牙周炎患者高血壓和頸動(dòng)脈粥樣硬化發(fā)病情況及其關(guān)系研究[J].實(shí)用心腦肺血管病雜志,2016,24(9):12-15.[www.syxnf.net]
ZHANG Y H,LI X,LIU F L,et al.Prevalence of hypertension and carotid atherosclerosis in patients with periodontitis and their correlations[J].Practical Journal of Cardiac Cerebral Pneumal and Vascular Disease,2016,24(9):12-15.
牙周炎是指由局部因素引起的牙周支持組織的慢性炎癥,是危害人類口腔健康的三大疾病之一,我國(guó)居民牙周炎發(fā)病率為70%~85%[1]。近年研究表明,牙周炎可增加高血壓的發(fā)病風(fēng)險(xiǎn),而高血壓也可反過(guò)來(lái)導(dǎo)致牙周炎發(fā)生風(fēng)險(xiǎn)增高及嚴(yán)重程度增加[2]。炎性反應(yīng)在牙周炎及動(dòng)脈粥樣硬化的發(fā)生與發(fā)展過(guò)程中發(fā)揮著重要作用[3],因此牙周炎與高血壓及動(dòng)脈粥樣硬化的關(guān)系日益受到廣大學(xué)者的關(guān)注[4-7]。本研究旨在了解牙周炎患者高血壓和頸動(dòng)脈粥樣硬化的發(fā)病情況,并探討牙周炎嚴(yán)重程度與高血壓及頸動(dòng)脈粥樣硬化的關(guān)系,現(xiàn)報(bào)道如下。
1.1研究對(duì)象選擇2012年6月—2015年6月在邯鄲市中醫(yī)院就診的牙周炎患者400例,其中男254例,女146例;年齡33~65歲,平均年齡(43.7±9.0)歲;均為漢族。牙周炎的診斷標(biāo)準(zhǔn)參照“牙周疾病新分類簡(jiǎn)介(1999年國(guó)際研討會(huì))”[8]。納入標(biāo)準(zhǔn):(1)年齡≥18歲;(2)符合牙周炎的診斷標(biāo)準(zhǔn)。排除標(biāo)準(zhǔn):(1)伴心肝腎功能不全、造血系統(tǒng)疾病、神經(jīng)系統(tǒng)疾病及糖尿病患者;(2)伴急性細(xì)菌、病毒感染患者;(3)伴傳染性疾病、免疫系統(tǒng)疾病及創(chuàng)傷患者;(4)近半年內(nèi)接受過(guò)牙周治療或近1個(gè)月內(nèi)使用過(guò)抗生素,或全口牙列缺失患者。
1.2方法
1.2.1牙周檢查方法記錄所有患者全口牙齒菌斑指數(shù)、探診深度、附著喪失情況及出血指數(shù),并將牙周炎分輕、中、重度:牙齦有炎癥和探診出血、牙周袋深度≤4 mm、X線檢查示牙槽骨吸收≤根長(zhǎng)的1/3或有口臭為輕度;牙齦有炎癥和探診出血或有膿性分泌物、牙周袋深度為5~6 mm,X線檢查示牙槽骨吸收為根長(zhǎng)的1/3~1/2或牙齒有輕度松動(dòng)為中度;牙齦炎癥較明顯或出現(xiàn)牙周膿腫、牙周袋深度>6 mm、X線檢查示牙槽骨吸收>根長(zhǎng)的1/2、牙齒多有松動(dòng)為重度[1]。
1.2.2血壓測(cè)量方法所有患者進(jìn)行血壓測(cè)量前至少靜坐5 min,采用水銀柱血壓計(jì)測(cè)量患者坐位右上臂肱動(dòng)脈血壓,測(cè)量時(shí)右臂肱動(dòng)脈與心臟保持在同一水平,袖帶下緣置于肘上2~3 cm處,重復(fù)測(cè)量2次取平均值。高血壓診斷標(biāo)準(zhǔn):收縮壓≥140 mm Hg(1 mm Hg=0.133 kPa)和/或舒張壓≥90 mm Hg,或既往有高血壓病史或目前正在服用抗高血壓藥物。
1.2.3頸動(dòng)脈超聲檢查方法由1名本院從事超聲檢查工作10年以上的超聲科醫(yī)師采用彩色多普勒超聲診斷儀完成頸動(dòng)脈超聲檢查,雙側(cè)頸動(dòng)脈內(nèi)膜厚度(IMT)≥1.0 mm判定為內(nèi)膜增厚;雙側(cè)頸動(dòng)脈內(nèi)膜局限性突出管腔及IMT≥1.5 mm判定為斑塊形成;頸總動(dòng)脈(CCA)、頸內(nèi)動(dòng)脈(ICA)、頸外動(dòng)脈(ECA)、頸動(dòng)脈(CA)、鎖骨下動(dòng)脈(SA)中任一動(dòng)脈狹窄或幾條動(dòng)脈同時(shí)狹窄,且狹窄率>50%判定為管腔狹窄;內(nèi)膜增厚、斑塊形成及管腔狹窄均歸為頸動(dòng)脈粥樣硬化[9]。
1.2.4血清炎性因子水平檢測(cè)方法采集所有患者空腹靜脈血5 ml,置于不含抗凝劑的試管中,以3 000 r/min離心10 min(離心半徑8 cm)后分離血清;采用乳膠增強(qiáng)免疫比濁法檢測(cè)血清超敏C反應(yīng)蛋白(hs-CRP)水平,采用羅氏全自動(dòng)化學(xué)發(fā)光分析儀、雙抗體夾心酶聯(lián)免疫吸附試驗(yàn)(ELISA)檢測(cè)血清白介素6(IL-6)及腫瘤壞死因子α(TNF-α)水平。
2.1高血壓及頸動(dòng)脈粥樣硬化情況本組400例牙周炎患者中檢出高血壓186例(占46.50%),頸動(dòng)脈粥樣硬化72例(占18.00%),高血壓并頸動(dòng)脈粥樣硬化37例(占9.25%),105例(占26.25%)患者為單純牙周炎。
2.2不同嚴(yán)重程度牙周炎患者一般資料及血清炎性因子水平比較本組400例牙周炎患者中輕度牙周炎160例,中度牙周炎133例,重度牙周炎107例;不同嚴(yán)重程度牙周炎患者性別、年齡、體質(zhì)量、病程、高血壓家族史陽(yáng)性率、頸動(dòng)脈粥樣硬化家族史陽(yáng)性率比較,差異均無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05)。重度牙周炎患者血清hs-CRP、IL-6、TNF-α水平高于輕度、中度牙周炎患者,差異有統(tǒng)計(jì)學(xué)意義(P<0.05,見(jiàn)表1)。
2.3不同嚴(yán)重程度牙周炎患者疾病構(gòu)成比較不同嚴(yán)重程度牙周炎患者疾病構(gòu)成比較,差異有統(tǒng)計(jì)學(xué)意義(χ2=13.618,P=0.034,見(jiàn)表2)。
表2不同嚴(yán)重程度牙周炎患者疾病構(gòu)成比較〔n(%)〕
Table 2Comparison of disease constitution among patients with different severities of periodontitis
牙周炎嚴(yán)重程度例數(shù)單純牙周炎伴高血壓伴頸動(dòng)脈粥樣硬化伴高血壓并頸動(dòng)脈粥樣硬化輕度16056(35.00)64(40.00)30(18.75)10(6.25)中度13331(23.31)62(46.62)25(18.80)15(11.27)重度10718(16.82)60(56.08)17(15.89)12(11.21)
2.4不同疾病構(gòu)成牙周炎患者血清炎性細(xì)胞因子水平比較不同疾病構(gòu)成牙周炎患者血清hs-CRP、IL-6、TNF-α水平比較,差異有統(tǒng)計(jì)學(xué)意義(P<0.05);高血壓、頸動(dòng)脈粥樣硬化、高血壓并頸動(dòng)脈粥樣硬化患者血清hs-CRP、IL-6、TNF-α水平高于單純牙周炎患者,差異有統(tǒng)計(jì)學(xué)意義(P<0.05);高血壓并頸動(dòng)脈粥樣硬化患者血清hs-CRP、IL-6、TNF-α水平高于高血壓、頸動(dòng)脈粥樣硬化患者,差異有統(tǒng)計(jì)學(xué)意義(P<0.05,見(jiàn)表3)。
Table 3Comparison of serum levels of inflammatory cytokines among the different constitutes of diaease patients
疾病構(gòu)成例數(shù)hs-CRP(mg/L)IL-6(ng/L)TNF-α(mg/L)單純牙周炎1051.52±0.64119.24±32.5016.61±6.48高血壓1863.33±0.76ab157.01±32.90ab24.11±6.55ab頸動(dòng)脈粥樣硬化723.47±0.67ab162.45±36.49ab26.01±7.75ab高血壓并頸動(dòng)脈粥樣硬化375.31±0.98a207.43±39.39a40.04±9.05aF值282.3266.17100.72P值<0.001<0.001<0.001
注:與單純牙周炎患者比較,aP<0.05;與高血壓并頸動(dòng)脈粥樣硬化患者比較,bP<0.05
國(guó)內(nèi)外大量針對(duì)牙周炎與高血壓關(guān)系的流行病學(xué)研究表明,在校正年齡、性別、吸煙等混雜因素后,牙周炎與高血壓的發(fā)生有關(guān)[2],高血壓患者牙周炎發(fā)生率高于正常人群,而牙周炎是高血壓的危險(xiǎn)因素之一,臨床應(yīng)加強(qiáng)牙周炎的預(yù)防與治療以減少高血壓的發(fā)生[10]。美國(guó)的一項(xiàng)調(diào)查顯示,牙周炎嚴(yán)重程度與老年人收縮壓呈正相關(guān),牙齦出血嚴(yán)重程度每增加10%,收縮壓平均升高1.5 mm Hg,高血壓發(fā)生率也相應(yīng)增加[11]。TüRKOGLU等[12]研究證實(shí),原發(fā)性高血壓患者收縮壓隨牙周炎嚴(yán)重程度的加重而升高。王洲等[13]研究證實(shí),牙周炎主要通過(guò)上調(diào)炎性因子和局部細(xì)菌感染而促進(jìn)頸動(dòng)脈內(nèi)膜增厚。劉玉嬌等[6]研究證實(shí),動(dòng)脈粥樣硬化大鼠的牙周炎若得不到及時(shí)控制則可能加重動(dòng)脈粥樣硬化的嚴(yán)重程度,而抗炎治療可減輕血管炎癥并延緩動(dòng)脈粥樣硬化進(jìn)展。本研究旨在了解牙周炎患者高血壓及頸動(dòng)脈粥樣硬化的發(fā)病情況,并探討牙周炎嚴(yán)重程度與高血壓及頸動(dòng)脈粥樣硬化的關(guān)系,結(jié)果顯示,牙周炎患者高血壓檢出率為46.50%,頸動(dòng)脈粥樣硬化檢出率為18.00%,高血壓并頸動(dòng)脈粥樣硬化檢出率為9.25%,且不同嚴(yán)重程度牙周炎患者疾病構(gòu)成間有明顯差異,提示牙周炎患者高血壓及頸動(dòng)脈粥樣硬化的發(fā)生率較高,且牙周炎嚴(yán)重程度與高血壓及頸動(dòng)脈粥樣硬化發(fā)生風(fēng)險(xiǎn)增高有關(guān)。
表1 不同嚴(yán)重程度牙周炎患者一般資料及血清炎性因子水平比較
注:a為χ2值;hs-CRP=超敏C反應(yīng)蛋白,IL-6=白介素6,TNF-α=腫瘤壞死因子α;與重度牙周炎患者比較,bP<0.05
牙周炎是涉及牙周膜、牙槽骨、牙骨質(zhì)等深層牙周組織的炎癥,早期重視不足或處理不當(dāng)很容易造成牙周組織長(zhǎng)期慢性感染。牙周炎為局部炎性反應(yīng),可引起C反應(yīng)蛋白(CRP)水平升高,進(jìn)而造成血管內(nèi)皮細(xì)胞損傷及微血管病變。王偉文等[14]研究表明,高血壓的發(fā)生除與性別、年齡、高鹽飲食、肥胖、脂代謝異常和胰島素抵抗等有關(guān)外,還與炎癥及炎性細(xì)胞因子有關(guān)。在動(dòng)脈粥樣硬化的發(fā)生和發(fā)展過(guò)程中,無(wú)論是脂質(zhì)條紋、纖維斑塊或粥樣斑塊、不穩(wěn)定斑塊或血栓形成均有各種炎性細(xì)胞和大量炎性遞質(zhì)參與[15]。
頸動(dòng)脈粥樣硬化可分為內(nèi)膜增厚、斑塊形成及管腔狹窄3個(gè)階段,而引起頸動(dòng)脈粥樣硬化的危險(xiǎn)因素多種多樣。研究表明,炎癥是引發(fā)頸動(dòng)脈粥樣硬化的關(guān)鍵因素之一,動(dòng)脈粥樣硬化實(shí)質(zhì)上是血管受損后發(fā)生的一種炎性反應(yīng)[16],因此,近年來(lái)感染引起的炎性反應(yīng)與頸動(dòng)脈粥樣硬化的關(guān)系越來(lái)越受到學(xué)界的關(guān)注和重視[17]。本研究結(jié)果顯示,重度牙周炎患者血清hs-CRP、IL-6、TNF-α水平高于輕度、中度牙周炎患者,伴高血壓、頸動(dòng)脈粥樣硬化、高血壓并頸動(dòng)脈粥樣硬化的牙周炎患者血清hs-CRP、IL-6、TNF-α水平高于單純牙周炎患者,伴高血壓并頸動(dòng)脈粥樣硬化的牙周炎患者血清hs-CRP、IL-6、TNF-α水平高于伴高血壓、伴頸動(dòng)脈粥樣硬化的牙周炎患者,提示炎性細(xì)胞因子在牙周炎、高血壓及頸動(dòng)脈粥樣硬化的發(fā)生和發(fā)展過(guò)程中發(fā)揮著重要作用。牙周炎是一種慢性感染性疾病,炎癥刺激可導(dǎo)致機(jī)體分泌的炎性遞質(zhì)增多,進(jìn)而引起血清hs-CRP、IL-6、TNF-α水平升高,導(dǎo)致血管內(nèi)皮細(xì)胞損傷及血管內(nèi)皮功能失調(diào),造成血管壁增厚、管腔狹窄及外周阻力增高,最終引發(fā)頸動(dòng)脈粥樣硬化及高血壓。因此,牙周炎引起的機(jī)體炎性遞質(zhì)分泌增多可能是導(dǎo)致頸動(dòng)脈粥樣硬化及高血壓的重要原因,但本研究為回顧性研究,觀察指標(biāo)較少且未對(duì)高血壓及頸動(dòng)脈粥樣硬化的傳統(tǒng)危險(xiǎn)因素進(jìn)行校正,不能得出牙周炎與高血壓及頸動(dòng)脈粥樣硬化的因果關(guān)系,尚需進(jìn)行大樣本前瞻性研究進(jìn)一步證實(shí)。
綜上所述,牙周炎患者高血壓及頸動(dòng)脈粥樣硬化的發(fā)生率較高,且牙周炎嚴(yán)重程度與高血壓及頸動(dòng)脈粥樣硬化發(fā)生風(fēng)險(xiǎn)增高有關(guān);炎性細(xì)胞因子在牙周炎、高血壓及頸動(dòng)脈粥樣硬化的發(fā)生和發(fā)展過(guò)程中發(fā)揮著重要作用。臨床應(yīng)加強(qiáng)對(duì)牙周炎防治工作的重視,早期發(fā)現(xiàn)、早期干預(yù),以減少高血壓及頸動(dòng)脈粥樣硬化的發(fā)生。
作者貢獻(xiàn):張彥紅、席愛(ài)萍進(jìn)行實(shí)驗(yàn)設(shè)計(jì)與實(shí)施、資料收集整理、撰寫論文、成文并對(duì)文章負(fù)責(zé);李欣、劉鳳麗進(jìn)行實(shí)驗(yàn)實(shí)施、評(píng)估、資料收集;席愛(ài)萍進(jìn)行質(zhì)量控制及審校。
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(本文編輯:鹿飛飛)
Prevalence of Hypertension and Carotid Atherosclerosis in Patients with Periodontitis and Their Correlations
ZHANGYan-hong,LIXin,LIUFeng-li,XIAi-ping.
TheTraditionalChineseMedicineHospitalofHandan,Handan056000,China
XIAi-ping,theAffiliatedHospitalofHebeiUniversityofEngineering,Handan056002,China;E-mail:yp8088@126.com
ObjectiveTo investigate the prevalence of hypertension and carotid atherosclerosis in patients with periodontitis,and to analyze the relationship between severity of periodontitis and hypertension,carotid atherosclerosis.MethodsA total of 400 patients with periodontitis were selected in the Traditional Chinese Medicine Hospital of Handan from June 2012 to June 2015,all of them received periodontal examination,blood pressure measurement and carotid ultrasound examization,serum levels of hs-CRP,IL-6 and TNF-α were detected.ResultsOf the 400 patients with periodontitis,186 cases found hypertension(accounting for 46.50%),72 cases found carotid atherosclerosis(accounting for 18.00%),37 cases found hypertension complicated with carotid atherosclerosis(accounting for 9.25%),105 cases were isolated periodontitis(accounting for 26.25%);160 cases were mild periodontitis,133 cases were moderate periodontitis,107 cases were severe periodontitis.No statistically significant differences of gender,age,body weight,course of disease,positive rate of family hypertension history or family carotid atherosclerosis history was found among patients with different severities of periodontitis(P>0.05);serum levels of hs-CRP,IL-6 and TNF-α of severe periodontitis patients were statistically significantly higher than those of mild periodontitis patients and moderate periodontitis patients(P<0.05).There was statistically significant differences of disease constitution among patients with different severities of periodontitis(P<0.05).Serum levels of hs-CRP,IL-6 and TNF-α of hypertension patients,carotid atherosclerosis patients and hypertension patients complicated with carotid atherosclerosis were statistically significantly higher than those of isolated periodontitis patients,and serum levels of hs-CRP,IL-6 and TNF-α of hypertension patients complicated with carotid atherosclerosis were statistically significantly higher than those of hypertension patients and carotid atherosclerosis patients(P<0.05).ConclusionThe prevalence rates of hypertension and carotid atherosclerosis are relatively high in patients with periodontitis,and the severity of periodontitis is correlated with the increased risk of hypertension and carotid atherosclerosis;inflammatory cytokines play important roles in the occurrence and development of periodontitis,hypertension and carotid atherosclerosis.
Periodontitis;Hypertension;Atherosclerosis;Chemokines
2016年度河北省醫(yī)學(xué)科學(xué)研究重點(diǎn)課題計(jì)劃(20160053)
056000河北省邯鄲市中醫(yī)院口腔科(張彥紅);邯鄲市第一醫(yī)院神外二科(李欣);河北工程大學(xué)附屬醫(yī)院(劉鳳麗,席愛(ài)萍)
席愛(ài)萍,056002河北省邯鄲市,河北工程大學(xué)附屬醫(yī)院;E-mail:yp8088@126.com
R 781.42R 544.1R 543.5
A
10.3969/j.issn.1008-5971.2016.09.003
2016-06-25;
2016-09-10)
【編者按】研究表明,牙周炎患者吸煙相關(guān)癌癥(包括肺、膀胱、口咽、食管、腎、胃和肝癌)風(fēng)險(xiǎn)增加33%,且重度牙周炎與缺血性腦卒中、哮喘、心肌梗死、阿爾茨海默病、抑郁癥及代謝綜合征等有關(guān),牙周炎疾病雖小,但貽害巨大。本研究關(guān)注了牙周炎患者高血壓及頸動(dòng)脈粥樣硬化發(fā)病情況,證實(shí)牙周炎嚴(yán)重程度與高血壓及頸動(dòng)脈粥樣硬化發(fā)生風(fēng)險(xiǎn)有關(guān),并試著從炎癥的角度闡釋其作用機(jī)制,有一定參考價(jià)值,同時(shí)也期待能有更多研究更進(jìn)一步深入研究相關(guān)問(wèn)題。