急性心肌梗死左室充盈压与左室充盈模式关系的分析

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1、万方数据英文摘要．ThestudyontherelationshipoftheleftventricularfillingpressureandleftventricularfillingpatterninpatientswithacutemyocardialinfarctionABSTRACTObjective：Toexploretherelationshipofleftventricularfillingpressureandleftventricularfillingpattembyusingcardiaccatheterizationandechocardiography，andto

2、searchthemaininfluencefactorofleftventricularfillingpressure．Methods：1FonypatientswithAMIaged31—78wereenrolledastheexperimentalgroup，including28malesand12females，meanageof(57．8+11．12)．AMIdiagnosticcriteriawasasfollowsaccordwiththestandardsestablishedbytheChineseCardiovasculardiseasesocietyin200111∞

3、：(1)thetypicalclinicalsymptomsofischemicchestpain；(2)theECGhadcharacteristicgraphicsofdynamicevolution；(3)cTnTormyocardialenzymeselevated．Allpatientsmusthavemorethantwooftheabovecriteriaortwobeforebeingselected．Weselected10healthysubjectswhowerematchedageandgenderwiththeAMIpatientstoserveascontrols

4、．2AsetofcolorDopplerultrasonicsystem(GEVIVID7)wasused，theprobefrequencyis2．0～5．0MHZ．Transthoracicechocardiographywasperformedinallpatientswithin24—48hoursafteradmissiontohospital．Allsubjectshadleftlateralposition，keptaquietbreatheandwereconnectedtochestleadECG．Allthedatawererecordedin3continuouscar

5、diaccycleandwerestoredinhardwareforanalysis．Leftventricularfillingpaaemindexes：gettheapicalfourchamberview：withthepulseDopplersampvolumeatmitraltip，wecangetmitralvalveflowspectrum，recordingofmitralvalveflowspectrum，detectionofmitralearlydiastolicpeakflowvelocity(E)，latepeakvelocity(A)，Ewavedecelera

6、tiontime(EDT)，leftventricularisovolumicrelaxationtime(IVRT)，andtheratioof4万方数据英文摘要E／A．withthepulseDopplersampvolumeatmitraltip．Tissuedopplerimaging：enterTDImode：withthesampvolumeatmitralannulus，wecallmeasurethemitralannularearlydiastolicaveragevalueofthesidewallandthepartitionofthemaximalvelocity(E

7、a)，andtheratioofE／Ea．ColorMmodeDopplerechocardiography：Gettheapicalfourchamberview,Mmodesamplinglinewasadjustedfromtheapextothemitralvalve，andthentotheleftatrium，whichisparalleltotheblooddirectionintheearly