比較便攜式心電監(jiān)測儀HCG801的家庭應用-流行病學和臨床價值

比較便攜式心電監(jiān)測儀HCG801的家庭應用—流行病學和臨床價值第1頁/共23頁HCG-801Non-transmissiontypeofportableECGforhomeuseInductionsystem:bipolarsinglechannel*recommendedtorecordwithrighthandatV4Heartraterange:2to200beats/min.Accuracy:bandwidth0.05to40Hzsamplingrate125Hz第2頁/共23頁OperationofHCG-801Turntheuniton.Holdtheunitwithrighthand.Placetheindexfingeronthefingerelectrodesandpressthechestelectrodeagainstthechest.PresstheSTARTbutton.第3頁/共23頁MonitorontheMainUnitofHCG-801exampleofwaveformdisplayedonthemonitorexampleofcomment第4頁/共23頁ECGViewer第5頁/共23頁CorrelationbetweenHCG801and12-leadECG33rdInternationalCongressonElectrocardiology(2006)R-Rinterval(msec)QTinterval(msec)QRSwidth(msec)Twaveamplitude(mV)第6頁/共23頁MethodsECGwaveformwasrecordedwithbothHCG-801and12-leadECGmonitor.ArrhythmiaandabnormalECGwerediagnosedbydoctorexaminingtheoutcomesfrombothtypesofmonitors.LeadandRecordingtimeHCG-801 :30sec,inasittingposition

(singlebipolarlead) Righthand-V2,V4,V5,II12-leadECG :10sec,supineposition(usedasreference)SubjectsrecordedECGwithHCG-801ontheirown.12-leadECGwasrecordedimmediatelybeforeorafterrecordingwithHCG-801.第7頁/共23頁90yearsorolderUygursresidinginHotanofthewesternregionofChina.Subjects:EpidemiologicalstudySubjects:60Uygurs Sex:36malesand24femalesAge:94.6+/-4.2yearsoldPeriod:July2006–August2006第8頁/共23頁Result1:DetectionofArrhythmia21casesofarrhythmiaweredetectedwith12-leadECGmonitorwhile32casesweredetectedwithHCG-801.DetectionratewithHCG-801isthesameasorhigherthanthatwith12-leadECGmonitor.第9頁/共23頁ECGWaveformRecordedwithHCG-801SinusrhythmVPC*alloftheECGsabovearein25mm/s,10mm/mV第10頁/共23頁ComparisonofECGfromtheSameSubject12-leadECG HCG-801IIV2V4V5*alloftheECGsabovearein25mm/s,10mm/mV第11頁/共23頁Result2:DetectionofAbnormalECG49CasesofAbnormalECGweredetectedwith12-leadECGmonitorwhile27casesweredetectedwithHCG-801.ThissuggeststhatmorecasesofabnormalECGaredetectedwithmoreleads.第12頁/共23頁Discussion:EpidemiologicalStudyNotonlytheportableECGmonitor,HCG-801iseasytooperatebutalsoperiodicalmonitoringispossibleforlongperiods,whichmakesthedeviceusefulasanECGmonitoringtoolforepidemiologicalstudiesonalargegroupofsubjects.

ItissuggestedthatthedetectionrateofabnormalECGexcludingarrhythmiawillbeincreased,ifprovidedthatlocationsforrecordingECGareadjusted.第13頁/共23頁Subjects:ClinicalstudyOutpatientstothedivisionofcardiologyatNihonUniversityItabashiHospitalSubjects :

161outpatients Sex :

98malesand63femalesAge :

68.2+/-11.9yearsoldPeriod :

December2004–May2005第14頁/共23頁Result3:ConcordanceRateonDoctor’sDiagnosisConcordanceRatebetween12-leadECGandHCG-801recordedatV4:72.0%(116outof161cases)ArrhythmiadetectedeitherwithHCG-801or12-leadECG:11.8%(19cases)AbnormalitydetectedratherthanV4:14.3%(23cases)Othersincludingartifact:1.9%(3cases)第15頁/共23頁Result4:DetectionofArrhythmia

andST-TSegmentAbnormality

OnlyonecaseofAfwasnotwelldetectedwithHCG-801.Theothercasesdetectedonlywith12-leadECGwereduetothetimelagofrecording.NumberofcasesDetected12-leadECG(allleads)HCG-801(atV4)NunberofCasesDetectionRatesArrhythmia*VPC292482.8%SVPC161487.5%Af211990.5%Others161275.0%ST-TsegmentAbnormality714056.3%第16頁/共23頁Result5:DetectionofST-TSegment AbnormalitywithSingleLead第17頁/共23頁WaveformrecordedwithHCG-801CasesofST-TsegmentabnormalitydetectedonlyatV5onthesamesubject 12-leadECG HCG-801V4V5*alloftheECGsabovearein25mm/s,10mm/mV第18頁/共23頁Discussion:ClinicalStudySinceECGisrecordedwithsingleleadfortheportableECGmonitor,HCG-801,informationfromtheresultmaybelimited.Still,theresultiswellconcordantwiththeoutcomeof12-leadECG.

ST-Tsegmentabnormalitywasdetectedwiththeportablemonitor,whichisusefultodiagnoseischemicheartdisease.ItissuggestedthatthedetectionratewillbeincreasedifrecordedatappropriatelocationwhereST-Tsegmentabnormalityismorecommonlydetected.第19頁/共23頁ConclusionSinceitiseasytooperatetheportableECGmonitor,HCG-801,itisusefulnotonlyforearlydetectionanddiagnosisofcardiovasculardiseasesatmedicalinstitutionsbutalsoonepidemiologicalstudy.Moreover,itisexpectedtouseitathomeasamonitoringtool.第20頁