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1、IanSmith,MD,FRCAEditor,JournalofOne-daySurgery,SeniorLecturerinAnaesthesiaUniversityHospitalofNorthStaffordshireStoke-on-TrentCardiovascularDiseaseinAmbulatorySurgeryRiskAssessment“Despitesophisticatedtechnologies,historyandphysicalexaminationremainthekey
2、elementsofpreoperativeriskassessment”Chassot,etal.—BrJAnaesth89:747,2002CardiacRiskIndexCoronaryarterydisease:MIwithin6moMI>6moAngina:onmildexerciseatminimalexertionPulmonaryoedema:within1weekeverCriticalaorticstenosisArrhythmias:anyotherthanSRorPAC>5
3、PVCsPoorgeneralmedicalstatusAge>70yearsEmergencysurgery105102010520555510RiskfactorPointsDetsky,etal.—JGenIntMed1:211,1986ClassificationofCardiacRiskMajorriskfactors:MI,CABGorstenting<6weeksanginaonminimalexertionoratrestresidualischaemiafollowingMI
4、ischaemiawithCCFormalignantrhythmMinorriskfactors:MI>3morevascularisation>3mo(asymptomatic,notreatment)Chassot,etal.—BrJAnaesth89:747,2002Intermediateriskfactors:MI>6weeks,<3morevascularisation>6weeks,<3mo,or>6yearsanginaonmoderateorstrenuouseffortp
5、reviousperioperativeischaemiasilentischaemiaventriculararrhythmiadiabetesage(physiological)>70familyhistoryCADuncontrolledhypertensionhighcholesterolsmokingabnormalECGMinorriskfactorspredictcoronaryarterydiseasebutnotperioperativeriskTooComplicat
6、ed?4FactorsSevereanginaPreviousMIHeartfailureHypertensionHypertension:WhatweKnowMostimportantriskfactorfor:cerebrovasculardiseasecoronaryheartdiseaseingeneralpopulationMacMahon,etal.—Lancet335:765,1990ControlofelevatedBP:significantlylowersCVSmorbidityan
7、dmortalityCollins,etal.—Lancet335:827,1990Hypertension&Surgery:WhatweDon’tKnowIshypertensionasanindependentriskfactor?“plaguedbymuchuncertainty”Doesdelayingreduceperioperativerisk?“unclear”Riskofisolatedsystolichypertension?“uncertain”Confirmingdiagnosis:
8、multiplevssingleBPreading?“notyetassessed”Casadei&Abuzeid—JournalofHypertension23:19,2005RecentPracticeCancellationatpreassessmentclinichypertension:57%ofmedicalreasons,bydoctorMcIntyre,etal.—JournalofClinicalGover