简介：Atrialfibrillation(AF)isthemostcommoncardiacarrhythmiaaffectingmillionsofpeopleworldwidewithincreasingincidenceandprevalence.RadiofrequencycatheterablationhasevolvedasthetreatmentofchoiceforbothparoxysmalandpersistentAF.Severalstudieshavebeenreportedoncatheterablationasthefirst-linetreatmentforparoxysmalAFanddifferentstrategiesforpersistentAF.Newtechnologiessuchascontact-forcesensingcathetersandcryoballoonhavebeenrecentlyusedandtheprocedurecarriestheriskofcomplicationslikehematoma,arteriovenousfistula,cardiactamponade,pulmonaryveinstenosis,atrio-esophagealfistulaanddeath.

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简介：ObjectivesToinvestigatethecauses,theraputicandpreventivemethodsofcomplicationsassociatedwithtranscatheterocclusionofatrialseptaldefect(ASD)usingtheAmplatzerseptaloccluder(ASO)inchildren.Methods289casesunderwenttranscatheterclosureofASDwithASO.Complicationsoccurredin9cases.Thecomplicationsinprocedureincludedsystemiccirculatorysystemicairembolismin2,pulmonaryairembolismin1,pericardialtamponadein1,ASOmalpositionrequiringemergencysurgicalremovalin1,transientatrialextrasystolesin1andsizingballoonrupturein1case.2caseswithpostoperativecomplicationswerefoundinthefollow-upstudies.TheseincludedperforationofmitralvalveandASOpartiallydislodged.Inthisstudy,5childrenwithintraoperativecomplicationreceivedemergencytherapyincludingsurgicalintervention,andothersneededonlyfollow-up,asthecomplicationsweretransientorasymptomatic.ResultsTherewerenochildrendeathinthisstudy.The5caseswhoreceivedtreatmentwerecompletelyhealing,andtheotherswithintra-procedurecomplicationswerealsohadnosequelaexisted.CaseswithmitralvalveandASOpartiallydislodgedwerestillinfollow-upstudies,asthe2patientshavingnosymptoms.ConclutionsAirembolismwereoccurredeasilyinatrialseptaldefectcaseswhoreceivedASOtherapy.Complicationsmainlycausedbyinappropriateoperativeprocedureandsomecomplicationsneededemergencytreatments.Follow-upstudieswereimportanttocaseswithtranscatheterocclusiontherapy.