Identifi cation and Management of Iatrogenic Aortocoronary Dissection

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摘要 Iatrogenicaortocoronarydissection(IACD)isararebutpotentiallylife-threateningcomplicationduringcoronarycatheterizations.Althoughtheincidencewasrelativelylow,thedissectionoftenleadstoprocedurefailurewithincreasedriskofmyocardialinfarctionanddeath.IACDismainlycausedbydisruptionofintimaattheostiaofleftorrightcoronaryarteryduringinterventionalprocedures,andappearsasluminalfillingdefectsorpersistenceofcontrast(“extraluminalcap”)orintimaltearoutsidethecoronarylumen.Dissectioncoulddisseminateantegradelyandleadtosubtotalortotalocclusionofthecoronarylumen.Similarly,itcouldextendretrogradelyintothesinusofValsalvaandcusp,oreventheascendingaorta,aorticarch,ordescendingaorta,leadingtohemodynamiccollapse.EarlyidentificationandpromptmanagementiscrucialtotheprognosisofpatientswithIACD.Immediatebail-outstentingshouldbeperformedasrapidlyaspossibleinmostcasesofseveredissection,evenwhensignificantpropagationhasalreadyoccurred.Surgeryshouldonlybeconsideredwhenstentingfailedtosealthedissectionandthepatientshadhemodynamiccompromise.
机构地区 不详
出处 《心血管创新与应用》 2016年B05期
出版日期 2016年12月04日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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