比较便携式心电监测仪HCG801的家庭应用-流行病学和临床价值

比较便携式心电监测仪HCG801的家庭应用—流行病学和临床价值第1页/共23页HCG-801Non-transmissiontypeofportableECGforhomeuseInductionsystem:bipolarsinglechannel*recommendedtorecordwithrighthandatV4Heartraterange:2to200beats/min.Accuracy:bandwidth0.05to40Hzsamplingrate125Hz第2页/共23页OperationofHCG-801Turntheuniton.Holdtheunitwithrighthand.Placetheindexfingeronthefingerelectrodesandpressthechestelectrodeagainstthechest.PresstheSTARTbutton.第3页/共23页MonitorontheMainUnitofHCG-801exampleofwaveformdisplayedonthemonitorexampleofcomment第4页/共23页ECGViewer第5页/共23页CorrelationbetweenHCG801and12-leadECG33rdInternationalCongressonElectrocardiology(2006)R-Rinterval(msec)QTinterval(msec)QRSwidth(msec)Twaveamplitude(mV)第6页/共23页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页/共23页90yearsorolderUygursresidinginHotanofthewesternregionofChina.Subjects:EpidemiologicalstudySubjects:60Uygurs Sex:36malesand24femalesAge:94.6+/-4.2yearsoldPeriod:July2006–August2006第8页/共23页Result1:DetectionofArrhythmia21casesofarrhythmiaweredetectedwith12-leadECGmonitorwhile32casesweredetectedwithHCG-801.DetectionratewithHCG-801isthesameasorhigherthanthatwith12-leadECGmonitor.第9页/共23页ECGWaveformRecordedwithHCG-801SinusrhythmVPC*alloftheECGsabovearein25mm/s,10mm/mV第10页/共23页ComparisonofECGfromtheSameSubject12-leadECG HCG-801IIV2V4V5*alloftheECGsabovearein25mm/s,10mm/mV第11页/共23页Result2:DetectionofAbnormalECG49CasesofAbnormalECGweredetectedwith12-leadECGmonitorwhile27casesweredetectedwithHCG-801.ThissuggeststhatmorecasesofabnormalECGaredetectedwithmoreleads.第12页/共23页Discussion:EpidemiologicalStudyNotonlytheportableECGmonitor,HCG-801iseasytooperatebutalsoperiodicalmonitoringispossibleforlongperiods,whichmakesthedeviceusefulasanECGmonitoringtoolforepidemiologicalstudiesonalargegroupofsubjects.

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

161outpatients Sex :

98malesand63femalesAge :

68.2+/-11.9yearsoldPeriod :

December2004–May2005第14页/共23页Result3:ConcordanceRateonDoctor’sDiagnosisConcordanceRatebetween12-leadECGandHCG-801recordedatV4:72.0%(116outof161cases)ArrhythmiadetectedeitherwithHCG-801or12-leadECG:11.8%(19cases)AbnormalitydetectedratherthanV4:14.3%(23cases)Othersincludingartifact:1.9%(3cases)第15页/共23页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页/共23页Result5:DetectionofST-TSegment AbnormalitywithSingleLead第17页/共23页WaveformrecordedwithHCG-801CasesofST-TsegmentabnormalitydetectedonlyatV5onthesamesubject 12-leadECG HCG-801V4V5*alloftheECGsabovearein25mm/s,10mm/mV第18页/共23页Discussion:ClinicalStudySinceECGisrecordedwithsingleleadfortheportableECGmonitor,HCG-801,informationfromtheresultmaybelimited.Still,theresultiswellconcordantwiththeoutcomeof12-leadECG.

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