心臟康復(fù)評(píng)定

心臟康復(fù)評(píng)定第1頁(yè)/共93頁(yè)CARDIOVASCULAREVALUATIONDR.LiangQi第2頁(yè)/共93頁(yè)APATIENTCASEEXAMPLE第3頁(yè)/共93頁(yè)1.Whyareyouheretoday?2.Haveyoubeendiagnosedwithacardiacdisorderinthepast?3.Haveyouhadanyspecialteststoexamineyourheartlikeanelectrocardiogram,stresstest,echocardiogram,orcardiaccatheterization?第4頁(yè)/共93頁(yè)4.Doyouexperienceanginaorshortnessofbreathatrest,onlywithactivity/exercise,orbothatrestandwithactivity/exercise?第5頁(yè)/共93頁(yè)5.Ifyouexperienceanginaorbecomeshortofbreathduringactivityorexercisecouldyoupleasedescribethetypeofactivityorexercisewhichproducesyouranginaorshortnessofbreath?第6頁(yè)/共93頁(yè)6.Canyoudescribeyouranginaorshortnessofbreath?Canyouhelpmeunderstandyouranginaorshortnessofbreathbypointingtothenumbers1through4todescribethelevelofanginayouexperienceatrestandexerciseorbypointingtoyourlevelofshortnessofbreathusingthis10-pointscaleorbymarkingthisvisualanalogscale?第7頁(yè)/共93頁(yè)7.CouldIfeelyourpulsetodetermineyourheartrateandthestrengthofyourpulse?8.CouldIplacethisfingerprobeonyourindexfingertoobtainanoxygensaturationmeasurement?第8頁(yè)/共93頁(yè)9.CouldIplacetheseelectrodesonyourchesttoobtainasimplesingle-leadelectrocardiogram(ECG)?第9頁(yè)/共93頁(yè)10.CouldItakeyourbloodpressurewhileyouareseatedandthencompareittothebloodpressurewhileyouarelyingdownandthenstanding?Iwouldalsoliketoobserveyourpulse,oxygensaturation,ECG,andsymptomswhenyouarelyingdownandstanding.第10頁(yè)/共93頁(yè)11.CouldIlistentoyourheartandlungswithmystethoscope?WhileIdothisIwillconcentrateonwatchingyourECGsothatIcanidentifyyourheartsoundsandanychangesintheECGwhileyouarebreathingdeeplywhenlisteningtoyourlungs.第11頁(yè)/共93頁(yè)12.CouldIplace1ofmyhandsonyourstomachand1handonyourupperchesttodeterminehowyoubreathe?13.CouldIplacemyhandsonthelowermostribsoneachsideofyourchesttodeterminehowyoubreathe?14.CouldIplacemyhandsonyourbacktodeterminehowyoubreathe?15.CouldIwrapmytapemeasurearoundyourchestatseveraldifferentsitestodeterminehowyoubreathe?第12頁(yè)/共93頁(yè)16.NowthatIunderstandsomeverybasicinformationaboutthemannerinwhichyoubreathecouldyoupleasebreatheinthemannerIinstructyouviasoundsImake,pressurefrommyhands,methodsIshowtoyou,ordifferentbodypositions?IwilloccasionallyplacemyhandsonyourchestandwrapmytapemeasurearoundyourchesttodeterminehowyoubreatheduringthesesimpletestsandIwillaskyoutoidentifyyourlevelofshortnessofbreathusingthe10-pointscaleorvisualanalogscale—Isthisokwithyou?第13頁(yè)/共93頁(yè)17.CouldImeasurethestrengthofyourbreathingmusclebyhavingyouplacethismouthpieceinyourmouthandbreatheinandoutasdeeplyandasforcefullyasyouareable?第14頁(yè)/共93頁(yè)18.Iwouldlikeyoutonowperformtheactivityorexercisewhichproducesyouranginaorshortnessofbreath.Couldyoupleasedothisnow?第15頁(yè)/共93頁(yè)Thankyouforgivingmethechancetoexamineyoutoday.Iwillcallyourphysiciantogetsomemoreinformationaboutyoulikeelectrocardiogram,echocardiogramandpulmonaryfunctionteststhatyousaidwereperformedlastweekaswellasthearterialbloodgasresults,chestX-ray,andexercisetestresults.第16頁(yè)/共93頁(yè)P(yáng)hysicalTherapyExaminationMedicalInformationandRiskFactorAnalysis

listeningtothepatientspasthistoryandprimarycomplaintsiscriticalintheexaminationprocess.

第17頁(yè)/共93頁(yè)ExaminationsofPatientAppearancecategorizedbyspecificsignsandsymptoms第18頁(yè)/共93頁(yè)Angina-MethodsToEvaluateAnginafromNonanginalPainIfasuspectedanginalpainchanges(increasesordecreases)withbreathing,palpationinthepainfularea,ormovementofajoint(ie,shoulderflexionandabduction)itisverylikelythatthepainisNOTangina.第19頁(yè)/共93頁(yè)Angina-MethodsToEvaluateAnginafromNonanginalPainitcanbeworsenedbyphysicalexerciseoractivity.Therefore,ifthesuspectedanginalpainisunchangedwiththepreviouslycitedmaneuversandthepainoccurredwithexertion,itisSUSPECTforangina.Ifthesuspectedanginalpainisunchangedbythesemaneuvers,ifthepainoccurredwithexertion,andifthepaindecreasesorsubsideswithrest,itisverylikelythatthepainISangina.Finally,ifthesuspectedpaindecreasesorsubsideswithnitroglycerin,itisevenmorelikelythatthepainISangina.第20頁(yè)/共93頁(yè)第21頁(yè)/共93頁(yè)"Other"SymptomsofHeartDiseasedyspneaFatigueDizzinessLightheadednessPalpitationsasenseofimpendingdoom第22頁(yè)/共93頁(yè)第23頁(yè)/共93頁(yè)ExaminationsofPatientAppearanceskincoloroftheperipheralextremities.Paleorcyanoticskininthelegs,feet,arms,andfingersisassociatedwithpoorcardiovascularfunction.第24頁(yè)/共93頁(yè)ExaminationsofPatientAppearanceDiagonalearlobecrease.Thisphenomenonhasbeeninvestigatedformanyyearsandrecentlywasonceagainfoundtobehighlypredictiveofheartdisease第25頁(yè)/共93頁(yè)AnthropometricmeasurementsbodyweightfingerpressureonanedematousareaGirthmeasurementsskin-foldcalipermeasurementscalculationofthebodymassindexmeasurethepercentageofbodyfatandleanmusclemass第26頁(yè)/共93頁(yè)Jugularvenousdistensionitisoftenduetoright-sidedheartfailure.第27頁(yè)/共93頁(yè)第28頁(yè)/共93頁(yè)第29頁(yè)/共93頁(yè)P(yáng)alpationoftheRadialPulsePalpationoftheradialpulsecanprovideimportantinformationaboutthestatusofthecardiovascularsystem.MeasurementoftheSystolicBloodPressureandPulseDuringBreathingandSimplePerturbationsoftheBreathingCycle第30頁(yè)/共93頁(yè)MeasurementoftheSystolicandDiastolicBloodPressureandPulseinDifferentBodyPositions第31頁(yè)/共93頁(yè)

ToDeterminetheStatusoftheCardiovascularSystem

observationofadecreaseinsystolicanddiastolicbloodpressurewithoutasubsequentincreaseinheartratewhenchangingbodypositionfromsupinetostandingisconsideredapositivesignforautonomicnervoussystemdysfunction..第32頁(yè)/共93頁(yè)ToDeterminethe

HealthoftheCardiovascularSystemAcardiovascularsystemthatrespondsrapidlytobodypositionchangeislikelyinabetterstateofhealththanacardiovascularsystemthatrespondssluggishly.Bothanunchangedordecreasedheartrateafterstandingfor30seconds(comparedtotheheartrateat15seconds)issuggestiveofautonomicdysfunction.第33頁(yè)/共93頁(yè)asluggishorhypoadaptive(lessthannormal)heartrateandbloodpressureresponseduringachangeinbodypositionsupinetostandingshouldbeconsideredabnormalandsuggestiveofanunhealthycardiovascularsystem.第34頁(yè)/共93頁(yè)amoreadaptiverapidincreaseinheartrateandbloodpressureaftermovingfromasupinetostandingposition(approximately30seconds)islikelyassociatedwithahealthiercardiovascularsystem第35頁(yè)/共93頁(yè)ExaminationofthePulseandArterialBloodPressure

DuringFunctionalTasksandExerciseFrequentmonitoringoftheheartrateandbloodpressuremaybethebestwaytoexaminethesafetyofexerciseandhelptoestablishguidelinesandproceduresforfunctionalorexercisetraining.第36頁(yè)/共93頁(yè)anincreaseinthediastolicbloodpressurewhenthediastolicbloodpressureshouldbedecreased(orlow)isastrongindicatorofcardiovasculardysfunction..第37頁(yè)/共93頁(yè)P(yáng)otentialindirectmeasuresofcardiacfunctionSymptomsandfunctionalclassificationCold,pale,andpossiblycyanoticextremitiesJugularvenousdistensionandperipheraledemaHeartsoundsPulseElectrocardiographyBloodpressure第38頁(yè)/共93頁(yè)StandardmeasurementofcardiacfunctionCardiaccatheterizationEchocardiographySwan-GanscatheterizationCentralvenouspressureCardiacenzymesANPandBNPRadiologicevidence第39頁(yè)/共93頁(yè)ExerciseTesting第40頁(yè)/共93頁(yè)IndicationsforExerciseTesting:DiagnosisofCoronaryArteryDiseaseAssessmentofPrognosisinCoronaryArteryDiseaseEvaluationofFunctionalCapacityEvaluationofTherapyforCoronaryDiseaseDeterminationofExercisePrescription第41頁(yè)/共93頁(yè)AbsoluteContraindicationstoExerciseTestingAcuteMI(within2days)High-riskunstableanginaUncontrolledcardiacarrhythmiasActiveEndocarditisSevereaorticstenosisDecompensatedheartfailureAcutepulmonaryembolusorinfarction,DVTAcutenoncardiacdisorderaffectingoraggravatedbyexerciseAcutemyocarditis,pericarditisPhysicaldisabilityprecludessafeandadequatetestInabilitytoobtainconsent第42頁(yè)/共93頁(yè)RelativeContraindicationstoExerciseTestingLeftmaincoronarystenosisorequivalentModerateaorticvalvularstenosis(?)ElectrolytedisorderTachyarrhythmiasorBradyarrhythmiasAtrialfibrillationwithuncontrolledventricularresponseHypertrophicCardiomyopathy(?gradient)MentalimpairmentleadingtoinabilitytocooperateHigh-degreeAVblock第43頁(yè)/共93頁(yè)ECGLeadPlacementfor

ExerciseTesting第44頁(yè)/共93頁(yè)P(yáng)rotocolsforExerciseTesting第45頁(yè)/共93頁(yè)BloodPressureResponses:

ExerciseTestingDependencyoncardiacoutputandperipheralresistanceNormalresponses:IncreaseinSBP(>20-30mmHg)NochangeorfallinDBPInadequateriseinSBP:Myocardialischemia,severeLVsystolicdysfunction,aorticorLVOTobstruction,drugtherapy(?-blockers)Exercise-InducedHypotension(>10mmHgbelowbaseline)Severemyocardialischemia(50%positivepredictivevalueforleftmainor3-vesseldisease),valvularheartdisease,cardiomyopathynoevidenceofclinicallysignificantheartdisease(dehydration,antihypertensivetherapy,prolongedstrenuousexercise)第46頁(yè)/共93頁(yè)HeartRateResponsetoExerciseTestingAcceleratedHeartRateResponse:Deconditioning,prolongedbedrest,anemia,metabolicdisorders,conditionsassociatedwithdecreasedbloodvolumeorlowsystemicvascularresistance,autonomicinsufficencyChronotropicincompetence:Inadequateexerciseeffort,drugtherapy(?-blockers),PrognosticSignificance:(PeakHR-RestingHR)/(220-age-RestingHR)<0.80(Lauer,1999)PeakHR<130bpm(Ellestad)第47頁(yè)/共93頁(yè)EvaluationofExerciseEffortduringExerciseTesting:TheBorgPerceivedExertionScale第48頁(yè)/共93頁(yè)ExerciseCapacity-ExerciseTestingMETcapacity1MET=3.5ml/kg/minO2consumptionFunctionalAerobicImpairment(FAI) (BruceProtocolspecific)PredictedMETlevel(nomograms)PredictedVO2(ACSMformulae)PracticalAspects:LackofassociationbetweenLVEFandexercisecapacityPrognosticvalueofdecreasedexercisecapacityandactiveCADPredictorofpatient’sdisability第49頁(yè)/共93頁(yè)ExerciseTesting-ComplicationsMIordeath:Upto10per10,000tests(1per2,500)Lifethreateningventriculararrhythmias:0-5per100,000Cardiac:Bradyarrhythmias,tachyarrhythmias,acutecoronarysyndromes,heartfailure,hypotension,syncope,deathNoncardiac:Musculoskeletaltrauma,soft-tissueinjuryMiscellaneous:Severefatigue,dizziness,myalgias第50頁(yè)/共93頁(yè)AbsoluteIndicationsforTerminationofExerciseTestST-segmentelevation(>1.0mm)inleadswithoutQ-waves(otherthanV1oraVR)Dropinsystolicbloodpressure>10mmHg(persistentlybelowbaseline)despiteanincreaseinworkload,whenaccompaniedbyanyotherevidenceofischemiaModeratetosevereangina(grades3-4)Centralnervoussystemsymptoms(ataxia,dizziness,nearsyncope)Signsofpoorperfusion(cyanosisorpallor)SustainedventriculartachycardiaTechnicaldifficultiesmonitoringtheECGorsystolicBPPatient’srequesttostop第51頁(yè)/共93頁(yè)RelativeIndicationsforTerminationofanExerciseTestSTchanges(horizontalordownsloping>2mm)ormarkedaxisshiftDropinsystolicbloodpressure>10mmHg(persistentlybelowbaseline)despiteanincreaseinworkload,intheabsenceofotherevidenceofischemiaandnopresyncopalsymptomsIncreasingchestpainFatigue,shortnessofbreath,wheezing,legcramps,orclaudicationHypertensiveresponse(SBP>250mmHgand/orDBP>115mmHg)Developmentofbundle-branchblock(LBBB)thatcannotbedistinguishedfromventriculartachycardia;?EvidenceofanteriorischemiaArrhythmiasotherthansustainedventriculartachycardia(frequentmultifocalPVC’s,ventriculartriplets,SVT,heartblock,orbradyarrhythmias)GeneralAppearance(diaphoresis,peripheralcyanosis)第52頁(yè)/共93頁(yè)CriteriaforReadingST-SegmentChangesontheExerciseECGSTDEPRESSION:Measurementsmadeon3consecutiveECGcomplexes!STlevelismeasuredrelativetotheP-Qjunction3keymeasurements(P-Qjunction,J-point,60-80msecafterJ-point-use60msecforHR>130bpmWhenJ-pointisdepressedrelativetoP-Qjunctionatbaseline:NetdifferencefromtheJjunctiondeterminestheamountofdeviationWhentheJ-pointiselevatedrelativetoP-Qjunctionatbaselineandbecomesdepressedwithexercise:MagnitudeofSTdepressionisdeterminedfromtheP-QjunctionandnottherestingJpoint第53頁(yè)/共93頁(yè)CriteriaforReadingST-SegmentChangesontheExerciseECGSTELEVATION:60msecafterJpointin3consecutiveECGcomplexes第54頁(yè)/共93頁(yè)CriteriaforAbnormalandBorderlineST-SegmentDepressionontheExerciseECGABNORMAL:1.0mmorgreaterhorizontalordownslopingSTdepressionat60msecafterJpointon3consecutiveECGcomplexesBORDERLINE:0.5to1.0mmhorizontalordownslopingSTdepressionat60msecafterJpointon3consecutiveECGcomplexes2.0mmorgreaterupslopingSTdepressionat60msecafterJpointon3consecutiveECGcomplexes第55頁(yè)/共93頁(yè)MorphologyofST-SegmentDeviation

duringExerciseTesting第56頁(yè)/共93頁(yè)ValueofRight-SidedECGLeadsduringExerciseTestingfortheDiagnosisofCAD第57頁(yè)/共93頁(yè)HorizontalST-segmentDepressionduringExerciseTesting第58頁(yè)/共93頁(yè)DownslopingST-SegmentDepressionduringExerciseTesting第59頁(yè)/共93頁(yè)ST-SegmentDepressioninEarlyRecoveryPeriodafterExerciseTesting第60頁(yè)/共93頁(yè)UpslopingST-SegmentDepressionduringExerciseTesting第61頁(yè)/共93頁(yè)MorphologyofST-SegmentDepressionPredictsSeverityofCoronaryArteryDisease

(Goldschlager,1976)第62頁(yè)/共93頁(yè)Exercise-InducedST-SegmentElevationwithPriorAnteriorMyocardialInfarction第63頁(yè)/共93頁(yè)Exercise-InducedST-SegmentElevationintheSettingofPriorInferolateralMI第64頁(yè)/共93頁(yè)Exercise-InducedAnteriorST-SegmentElevationasReflectionofLADIschemia第65頁(yè)/共93頁(yè)Indicationsfor

ExerciseTestingintheDiagnosisofObstructiveCoronaryDiseaseCLASSI:Adultpatients(includingthosewithRBBBorlessthan1mmorrestingST-depression)withanintermediatepretestprobabilityofCAD,basedongender,age,andsymptomsCLASSIIa:PatientswithvasospasticanginaCLASSIIb:PatientswithahighpretestprobabilityofCADbyage,symptoms,andgenderPatientswithalowpretestprobabilityofCADbyage,symptoms,andgenderPatientswithlessthan1mmofbaselineSTdepressionandtakingdigoxinPatientswithECGcriteriaofLVHandlessthan1mmSt-depression第66頁(yè)/共93頁(yè)P(yáng)re-testProbabilityofCAD

byAge,Gender,andSymptomsTypical/DefiniteAnginaPectorisAge30-39 Men Intermediate(10-90%)Women IntermediateAge40-49 Men High(>90%)Women IntermediateAge50-59 Men HighWomen IntermediateAge60-69Men HighWomen High第67頁(yè)/共93頁(yè)P(yáng)re-testProbabilityofCAD

byAge,Gender,andSymptomsAtypical/PossibleAnginaPectoris:Age30-39Men Intermediate Women VeryLow(<5%)Age40-49 Men Intermediate Women Low(<10%)Age50-50 Men Intermediate Women IntermediateAge60-69 Men Intermediate Women Intermediate第68頁(yè)/共93頁(yè)P(yáng)re-testProbabilityofCAD

byAge,Gender,andSymptomsNonanginalChestPain:Age30-39 Men Low Women VeryLowAge40-49 Men Intermediate Women VeryLowAge50-59 Men Intermediate Women LowAge60-69 Men Intermediate Women Intermediate

第69頁(yè)/共93頁(yè)P(yáng)re-testProbabilityofCAD

byAge,Gender,andSymptomsAsymptomatic:Age30-39Men VeryLow Women VeryLowAge40-49Men Low Women VeryLowAge50-59Men Low Women VeryLowAge60-69Men Low Women Low第70頁(yè)/共93頁(yè)Indicationsfor

ExerciseTestingintheDiagnosisofObstructiveCoronaryDiseaseClassIII:PatientswiththefollowingECGabnormalities:WPWsyndrome,electronicallypacedventricularrhythm,greaterthan1mmrestingST-depression,completeLBBBPatientswithadocumentedMIorpriorcoronaryangiographydemonstratingsignificantCADhaveanestablisheddiagnosis(?ischemia,prognosis)第71頁(yè)/共93頁(yè)ExerciseTesting;SensitivityandSpecificityfortheDiagnosisofCADSensitivity=[Truepositives/truepositives+falsenegatives]x100Specificity=[Truenegatives/falsepositives+truenegatives]x100StandardExerciseTest(mostlymen)*Sensitivity=68% Specificity=77%PredictiveAccuracy=73%*Basedon1.0mmST-segmentdepression第72頁(yè)/共93頁(yè)ExerciseTestingintheDiagnosisofCoronaryArteryDiseaseinWomenECGAnalysisalone:Sensitivity: 46-79%Specificity: 48-86%UseofDukePrognosticScore:LowRiskscore:19.1%CAD>75%stenosis, 3.5%3-vesselorleftmaindiseaseIntermediateRiskscore:34.9%CAD>75%stenosis,12.4%3-vesselorleftmaindiseaseHighRiskScore:89.2%CAD>75%stenosis,46%3-vesselorleftmaindisease第73頁(yè)/共93頁(yè)RiskAssessmentandPrognosiswithExerciseTestinginPatientswithSymptomsandPriorHistoryofCADClassI:PatientundergoinginitialevaluationwithsuspectedorknownCADincludingthosewithcompleteRBBBandlessthan1mmofrestingECG(exceptions-ClassIIb)PatientswithsuspectedorknowCADpreviouslyevaluated,nowpresentingwithsignificantchangeinclinicalstatusLow-riskacutecoronarysyndromepatients8-12hoursafterpresentationwhohavebeenfreeofactiveischemiaorheartfailuresymptoms(LevelofEvidence=B)Intermediate-riskacutecoronarysyndromepatients2-3daysafterpresentationwhohavebeenfreeofactiveischemiaorheartfailuresymptoms(LevelofEvidence=B)第74頁(yè)/共93頁(yè)RiskAssessmentandPrognosiswithExerciseTestinginPatientswithSymptomsandPriorHistoryofCADClassIIa:Intermediate-riskacutecoronarysyndromepatientswhohaveinitialcardiacmarkersthatarenormal,arepeatECGwithoutsignificantchange,andcardiacmarkers6-12hoursaftertheonsetofsymptomsthatarenormalandnootherevidenceofischemiabyobservation(LevelofEvidence=B)ClassIIb:PatientswiththefollowingECGabnormalities:WPWsyndrome,electronicallypacedventricularrhythm,1mmormoreofrestingST-depression,completeLBBBorIVCDwithaQRSduration>120msecPatientswithastableclinicalcoursewhoundergoperiodicmonitoringtoguidetreatment第75頁(yè)/共93頁(yè)RiskAssessmentandPrognosiswithExerciseTestinginPatientswithSymptomsandPriorHistoryofCADClassIII:Patientswithsevereco-morbiditylikelytolimitlifeexpectancyand/orcandidacyforrevascularizationHigh-riskacutecoronarysyndromepatients(LevelofEvidence=c)第76頁(yè)/共93頁(yè)Short-termRiskAssessmentforDeathorNonfatalMIinPatientswithAcuteCoronarySyndrome

HIGHRISK(atleastoneofthefollowingfeatures):CharacterofPain: Prolongedongoing(>20min)restchestpainClinicalFeatures:Pulmonaryedema,neworworseningMR,S3ornew/worseningrales,hypotension,bradycardia,tachycardia,age>75yrsECGFindings:AnginaatrestwithtransientSTchanges>0.05mV,BBB(neworpresumednew),sustainedventriculartachycardiaBiochemicalMarkers:Elevatedtroponin-I第77頁(yè)/共93頁(yè)Short-termRiskAssessmentforDeathorNonfatalMIinPatientswithAcuteCoronarySyndromeINTERMEDIATERISK:Nohigh-riskfeaturebutmusthaveoneofthefollowing:History:PriorMI,peripheralorcerebrovasculardisease,CABGorprolongedaspirinuseCharacterofPain:Prolonged(>20min)restangina,nowresolved,withmoderatetohighlikelihoodofCADRestangina(<20min)orrelievedbysublingualNTGClinicalFindings:age>70yrsECGFindings:T-waveinversionsgreaterthan0.2mV,pathologicalQ-wavesBiochemicalMarkers:Borderlineelevatedtroponin-I第78頁(yè)/共93頁(yè)Short-termRiskAssessmentforDeathorNonfatalMIinPatientswithAcuteCoronarySyndromeLOWRISK:Nohighorintermediateriskfeaturesbutanyofthefollowing:CharacterofPain:

New-onsetorprogressiveCCSCIIIorIVanginainpast2weekswithmoderatetohighlikelihoodofCADECGFindings:

NormalorunchangedECGduringanepisodeofchestdiscomfortBiochemicalMarkers:

Normal第79頁(yè)/共93頁(yè)P(yáng)rognosticFactorsfromExerciseTestingElectrocardiographic:MaximumST-depressionMaximumST-elevationST-depressionslope(morphology)NumberofleadsshowingSTchangesDurationofSTdeviationintorecoveryST/HRindexesExercise-inducedventriculararrhythmiasTimetoonsetofSTdeviation第80頁(yè)/共93頁(yè)P(yáng)rognosticFactorsfromExerciseTestingHemodynamic:MaximumexerciseheartrateMaximumexerciseSBPMaximumexercisedoubleproduct(HRxSBP)Totalexerciseduration(functionalcapacity)ExertionalhypotensionChronotropicincompetenceAbnormalheartraterecovery第81頁(yè)/共93頁(yè)HeartRateRecoveryAfterExerciseTestingPredictsOutcomeinCAD

第82頁(yè)/共93頁(yè)P(yáng)rognosticFactorsfromExerciseTestingSymptomatic:Exercise-inducedanginaExercise-inducedsymptoms(SOB,dizziness)Timetoonsetofangina第83頁(yè)/共93頁(yè)P(yáng)rognosticScoreinAssessmentofCardiacEventRiskduringExerciseTestingDukePrognosticScore:TreadmillScore=exercisetimex5(amountofST-segmentdeviation)-4xexerciseanginaindex(0=none,1=presentbutnotlimiting,2=reasontostopthetest)HighRisk:<-11 (5%annualmortality)LowRisk:>+5 (0.5%annualmortality)InformationadditivetocoronaryanatomyandLVEF第84頁(yè)/共93頁(yè)DukePrognosticScoreNomogram第85頁(yè)/共93頁(yè)CombinedPrognosticFactorsIncreasePredictiveValueofExerciseTestingDatainCAD第86頁(yè)/共93頁(yè)IndicationsforExerciseTestingafterMyocardialInfarctionClassI:Beforedischargeforprognosticassessment,activityprescription,evaluationofmedicaltherapy(submaximalversusmaximal,submaximal4-6days)Earlyafterdischargeforprognosticassessment,activityprescription,evaluationofmedicaltherapy,andcardiacrehabilitationifpre-dischargeexercisetestwasnotdone(symptom-limited,about14-21days)Lateafterdischargeforprognosticassessment,activityprescription,evaluationofmedicaltherapy,andcardiacrehabilitationiftheearlyexercisetestwassubmaximal(symptom-limited3-6weeks)第87頁(yè)/共93頁(yè)Indi