組(表觀年齡 > 實(shí)際年齡)與EAA-組(表觀年齡 ?< 實(shí)際年齡),探究EAA與老年嚴(yán)重CAC患者行RA后發(fā)生MACE之間的關(guān)系。采用Kaplan-Meier生存分析探究EAA與老年嚴(yán)重CAC 患者行RA后發(fā)生MACE之間的相關(guān)性。采用單因素Cox回歸分析MACE發(fā)生的危險(xiǎn)因素,將結(jié)果進(jìn)一步納入多因素Cox回歸分析,并構(gòu)建術(shù)后發(fā)生MACE的列線圖;采用ROC曲線、決策曲線分析(DCA)和校準(zhǔn)曲線分析EAA對(duì)MACE發(fā)生的預(yù)測(cè)價(jià)值。結(jié)果Kaplan-Meier生存分析發(fā)現(xiàn),EAA-組的無(wú)MACE累計(jì)生存率更高( P=0.007 )。Cox回歸分析發(fā)現(xiàn)在模型調(diào)整后 EAA+ 仍與MACE的發(fā)生具有顯著相關(guān)性( P<0.05 )。限制性立方樣條(RCS)曲線顯示EAA與MACE的發(fā)生呈線性相關(guān)( P 的非線性值 =0.619 )。ROC曲線顯示,在1、3、5和8年內(nèi)AUC分別為 0.72,0.76,0.78 和0.75;DCA結(jié)果也表明EAA對(duì)MACE的發(fā)生具有良好的預(yù)測(cè)作用;校準(zhǔn)曲線顯示EAA具有較高準(zhǔn)確度。列線圖可視化預(yù)測(cè)患者的MACE發(fā)生風(fēng)險(xiǎn)。結(jié)論EAA與老年嚴(yán)重CAC患者行RA后發(fā)生MACE之間存在相關(guān)性,可幫助醫(yī)護(hù)人員識(shí)別高?;颊卟⒏纳苹颊叩牟涣碱A(yù)后。-龍?jiān)雌诳W(wǎng)" />

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表觀生物年齡加速預(yù)測(cè)老年重度冠狀動(dòng)脈鈣化患者行冠狀動(dòng)脈旋磨術(shù)后主要不良心血管事件的研究

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Association Between Epigenetic Age Acceleration and Major Adverse Cardiovascular Events in Elderly Patients with Severe Coronary Artery Calcification After Rotational Atherectomy

LIRuiting,MAYue,MA Rui,ZHANGRongxiu,LIUZhanwen

(Cardiovascular Medicine Department,The Third People’s Hospital of Xinjiang Uygur Autonomous Region,Urumqi

830000, Xinjiang ,China)

【Abstract】ObectiveToinvestigatethrelationshipbetweenepigeneticgeacceleration(EAA)ndtheoccurnceofmajoradverse cardiovascularevents(MACE)afterrotationalatherectomy(RA)inelderlypatientswithseverecoronaryarterycalcification(CAC).

MethodsAretrospetivestudywasconductedonatotalof2O6elderlypatientswithsevereCACwhounderwentRAatTheThirdPeople's Hospital of Xinjiang Uygur Autonomous Region from July2O13 toAugust 2O23.The patients werecategorized into EAA + group(PhenoAge> actualage)andEAA-group(PhenoAge (204 0.619).TheAUCvaluesfortheROCcurveat1,3,5,and8yearswereO.72,.76,0.78,andO.75,respectivelyDCAresulslso demonstratedthegoodpredictivevalueofEAAforMACE,whilethecalibrationcurveindicatedahighmodelacuracy.Thenomogram visualized heriskofACEourrenceinpatients.ConclusionThereisarelatioshipbetweenEAAandtheocurenceofMCEafterRA inelderlypatintswithsevereCAC,whichcan helphealthcare providers identify high-riskpatientsandimprovepatientoutcomes.

【Keywords】Epigeneticageaceleration;Coronaryarterycalefication;Elderlypatient;Rotationalatherectomy;Majoradverse cardiovascular events

冠狀動(dòng)脈鈣化(coronaryarterycalcification,CAC)是指冠狀動(dòng)脈血管壁內(nèi)出現(xiàn)鈣質(zhì)沉積的現(xiàn)象,是動(dòng)脈粥樣硬化的一種表現(xiàn)。(剩余7849字)

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