简介:Chronicpancreatitisisanongoingdiseasecharacterizedbypersistentinflammationofpancreatictissues.Withdiseaseprogression,patientswithchronicpancreatitismaydeveloptroublesomecomplicationsinadditiontoexocrineandendocrinepancreaticfunctionalloss.Amongthem,apseudoaneurysm,mainlyinducedbydigestiveenzymeerosionofvesselsinproximitytothepancreas,isarareandlife-threateningcomplicationifbleedingofthepseudoaneurysmoccurs.Atpresent,noprospectiverandomizedtrialshaveinvestigatedthetherapeuticstrategyforthisrarebutcriticalsituation.Theroleofarterialembolization,thetimingofsurgicalinterventionandevensurgicalproceduresarestillcontroversial.Inthisreview,wesuggestthatdynamicabdominalcomputedtomographyandangiographyshouldbeperformedfirsttolocalizethebleedersandtoevaluatetheassociatedcomplicationssuchaspseudocystformation,followedbyarterialembolizationtostopthebleedingandtoachieveearlystabilizationofthepatient’scondition.Withadvancesandimprovementsinendoscopicdevicesandtechniques,therapeuticendoscopyforpancreaticpseudocystsistechnicallyfeasible,safeandeffective.Surgicalinterventionisrecommendedforableedingpseudoaneurysminpatientswithchronicpancreatitiswhoareinanunstablecondition,forthoseinwhomarterialembolizationofthebleedingpseudoaneurysmfails,andwhenendoscopicmanagementofthepseudocystisunsuccessful.Ifableedingpseudoaneurysmislocatedoverthetailofthepancreas,resectionisapreferentialprocedure,whereasifthelesionissituatedovertheheadorbodyofthepancreas,relativelyconservativesurgicalproceduresarerecommended.