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SideBranchProtection JailedBalloonTechnique 拘禁 球囊分支保护技术 LuoJianfang罗建方GuangdongGeneralHospital DonotlossSB YourStrategy Two stentTstent Vstent Crush cullote dedicatedstent Provisionalstenting Crossoverandfinalkissing Toosmallvessel Provisionalstenting StentingoftheSBmayberequiredinupto51 MBstentingcancauseplaqueshift spasm protrusionofthestentstrutsintotheSBChangesinthebifurcationangle Thejailedballoontechnique JBT isanovelmodifiedprovisionalstentingtechniquethataimstomaintainSBpatencyandimproveSBaccess JailedBalloonTechnique Bothlimbsofthebifurcationareaccessedwith0 014 wirePredilatationoftheMBwithastandardsemicompliantballoon Step1 Step2 3 AmonorailballoonthatissizedtoapproximatetheSBvesseldiameter generally1 5 2 0mmandofadequatelength TheproximalmarkeroftheSBballoonispositionedapproximately 0 2mm proximaltothestent Step3 JailedBalloonTechnique 4 TheMBstentisdeployedtonominalpressures jailingtheSBwireandballoon Step4 JailedBalloonTechnique 5 IftheSBhasnotbeencompromised i e TIMI3flow thenthetrappedSBballoonisinflatedtolowpressure 6ATMs IfthereislessthanTIMI3flowintheSB routineballoonangioplastyisperformedbeforetheballoonandwireareremoved JailedBalloonTechnique Step5 Keepstentballooninitialposition 6 TheMBstentballoon spositionismaintainedcarefullyduringSBballoonremoval JailedBalloonTechnique Step6 7 Thestentballoonisthenfullyexpandedtomoderateorhighpressure optimizationofMBstentapposition andtocorrectanystentdeformationasaresultofthejailed ballooninflation JailedBalloonTechnique Step7 8 FinalangiographywillthenrevealwhetherornotrecrossingthroughthestentstrutsintotheSBisnecessaryforprovisionalangioplastyand orstenting JailedBalloonTechnique Step8 LongTermOutcome SomeFindings TheSBjailedballoonwasremovedinallpatientswithoutdamageorentrapmentoftheballoon JBTdidnotleadtoanyMBstentstrutfracturesOnlyonepatienthadstentdeformation IVUS ReexpansionoftheMBstentballoonafterremovingthejailed balloondidnotcausesignificantplaqueshift Flowmodelfinding JBT KB Thecase JBT2 0 20 predalitation2 0 20 stent3 0 33 LCX Result JBT2 0 20 Stent3 0 18 LAD Result TakeHomeMessage JBThashighrateofproceduralsuccessandSBpatencyindealingwithbifurcationlesionsItsimplifiestheprocedure sa

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