分叉病变介入治疗我的-课件

1、分叉病变介入治疗天津市第三中心医院心脏中心 刘迎午分叉病变介入治疗天津市第三中心医院心脏中心ContentDefinition of bifurcation lesionClassification of bifurcation lesionStrategy of bifurcation-one stent or two stentsSpecific stent for bifurcationClinical casesContentDefinition of bifurcatidefinition累及到冠状动脉分叉的病变冠状动脉病变中分叉病变较为常见，约占经皮冠状动脉介入治疗(pereuta

2、neous coronary intervention，PCI)的1520分叉病变的解剖结构(斑块负荷、斑块位置、血管角度、血管直径、分叉位置)千变万化而治疗过程中解剖结构也会随时改变(斑块迁移、血管夹层) 所以无两个完全一致的分叉病变，更无一种可适用于所有分叉病变的手术方法definition累及到冠状动脉分叉的病变ClassificationClassificationClassification of bifurcation lesions according to plaque burdenA:DukeB:SanbornC:SafianD:LefevreClassification o

3、f bifurcation Medina A. et al. Rev Esp Cardiol. 2019; 59: 183-4A New Classification of Coronary Bifurcation Lesions- Medina Classification1, 1, 11 , 1, 01, 0 , 10, 1, 11, 0, 00, 1, 00, 0, 1MB DistalMB ProximalSBMedina A. et al. Rev Esp Card一个好还是两个好？如果选个，应该采取何种策略 ?策略选择的根据 简单化 vs 复杂化 循证结果 vs 个人选择 并发症率

4、 (especially MI / thrombosis)分叉病变介入治疗- 关注热点 一个好还是两个好？分叉病变介入治疗- 关注热点 Stenting for bifurcation lesions in 2019主支放支架，分支临时决定Stenting the main vessel with provisional stenting of the side branch Stenting for bifurcation lesioProvisional Stenting Strategy If 2nd stent is needed for side branch following m

5、ain vessel stenting Modified T-stenting Reverse crushing Culotte stentingProvisional Stenting Strategy分支血管的保护与放置支架 并非所有分支血管同等重要! 根据以下情况实施分支血管保护和支架植入 分支血管大小与分布区域 分支血管开口病变与病变程度 分支与主支成角程度分支血管的保护与放置支架 并非所有分支血管同等重要!Side branch closure after PCISide branch closure after PCISide-branch may be compromised f

6、ollowing main vessel stentingPre-treatmentAfter stentingPlaque shifting(“Snow-plow”)Ostial spasm orSide-branch compromise by stent materialDissection of plaque at origin of side-branchDissection flap at main artery obstructing origin of side-branchAt times, the side branch could be compromised by th

7、rombus tooSide-branch may be compromisedDifferent techniques of two stents by intention to treat bifurcation lesionsThe V stenting techniqueThe simultaneous kissing stents techniqueThe T stenting and modified T stenting technique The crush technique(The reverse crush technique/The step crush techniq

8、ue/The inverted crush technique)The culottes stenting techniqueThe Y stenting techniqueThe skirt techniqueDifferent techniques of two sThe V stenting techniqueThe V stenting techniqueThe simultaneous kissing stents techniqueThe simultaneous kissing stentThe V stenting and the simultaneous kissing st

9、enting technique适合于分叉病变位于接近开口的血管近端，例如位于左主干的分叉病变，并且左主干短或无病变。理想夹角90。V支架也适合于其他部位的分叉病变，近段无病变或无须支架。 The V stenting and the simultaThe V stenting and the simultaneous kissing stenting technique优点:保证不会丢失分支。 对吻技术时无须 re-cross any stent. The V stenting and the simultaThe V stenting and the simultaneous kissin

10、g stenting technique缺点:双支架近端定位较困难；不可避免造成其中一个支架偏心，往往引起 a gap。The V stenting and the simultaThe T stenting techniqueThe T stenting techniqueThe modified T stenting techniqueThe modified T stenting techniThe T and modified T stenting technique优点:较crush 技术容易完成。缺点:大多数情况下，分支开口不能完全覆盖。The T and modified T s

11、tenting Colombo et al Circulation 2019; 109:1244-1249* High cross-over rate from Stent + Balloon to Stent + Stent group (22/43, 51%)Cypher Bifurcation Stenting ( T-stenting )Effects of the T stenting techniqueColombo et al Circulation 201RESEARCH bifurcation subgroupRR of different techniquesThe hig

12、h restenosis rate of T stenting technique may be related to the incomplete coverage of stenting being located at the ostium of SB.Tanabe K, Hoye A, Lemos PA, et al. Am J Cardiol, 2019, 91:115-8Effects of the T stenting techniqueRESEARCH bifurcation subgroupRV stenting vs T stentingSharma et al.V ste

13、nting:100Provisional T stenting: 10032% subjects received Cypher stent and RVD was 3.32mm。V stenting vs T stentingSharmaProvisional T stentingProvisional T stenting优点:Higher procedural success rateLower expenseLower complicationsLower re-PCI7mons TLR 15%。Lefevre et al: Provisional T stenting is the

14、golden standard to treat false bifurcation lesion(tpye2, 3 and 4a), most subjects only need one stent implantation。Provisional T stenting优点:Provisional T stentingThe crush techniqueThe crush techniqueThe crush technique优点:可以保证两条分支的立刻开通,这点对保护功能上重要的分支非常重要。可以完全覆盖分支开口。缺点:由于有多层支架金属，导丝和球囊再次通过较困难，操作复杂。The

15、crush technique优点:Ge et al. JACC 2019; 46: 613Long term outcome of “Crush”Stenting technique Ge et al. JACC 2019; 46: 613Lo6 mons RR Colombo et al. The crush technique6 mons RR Colombo et al. The reverse crush or internal crush techniqueThe reverse crush or internal The reverse crush or internal cru

16、sh technique主要用于临时分支支架植入provisional SB stenting. The reverse crush or internal The reverse crush or internal crush technique 优点:可以保证两条分支的立刻开通，6F guiding catheter可以完成操作。 缺点:由于有多层支架金属，导丝和球囊再次通过较困难，操作复杂。The reverse crush or internal The step crush techniquedouble kissingThe step crush techniquedoubleCa

17、se: The step crush techniqueCase: The step crush technique分叉病变介入治疗我的-课件First kissingFirst kissing分叉病变介入治疗我的-课件Second kissingSecond kissingFinal resultFinal resultThe step crush technique优点:6F guiding catheter可以完成操作，特别适合于桡动脉经路，第二次导丝和球囊再次通过较容易成功。 缺点:同 the standard crush technique. The step crush techn

18、ique优点:The inverted crush techniqueThe inverted crush techniqueThe inverted crush technique适用于分支管径不小于主支的情况。分支支架挤压crush主支支架。缺点:同 the standard crush technique. The inverted crush technique适用Restenosis in MV = 12.2%Restenosis in SB = 2%Galassi et al. Cath & Cardiovas. Intervn 2019; 69: 976-83Restenosis

19、 in MV = 12.2%GalassThe culottes stenting techniqueThe culottes stenting techniquThe culottes stenting technique优点:适合于任何角度的分叉病变，并提供完美的分支开口覆盖。缺点:分叉病变近段双层支架重叠，金属密度高。The culottes stenting techniquNordic Bifurcation Study II- The Nordic Stent Technique Study: Crush vs Culotte stentingNordic Bifurcation

20、Study IINordic Bifurcation Study II- The Nordic Stent Technique Study: Crush vs Culotte stentingIndividual end-point at 6 months Nordic Bifurcation Study IIIndThe Y stenting techniqueThe Y stenting techniqueThe skirt techniqueThe skirt techniqueThe Y stenting technique and The skirt technique优点:这是最后一种治疗分叉病变的方法，适用于非常复杂的分叉病变并要求保证导丝进入两分支。缺点:近端支架释放系统需要改良，手工将支架捻在双球囊上。应用DES易破坏polymer 。近端支架很难完全连接远端双支架。采用Y 支架技术时，多数术者将分支导丝回撤并放入主支，这时释放近端支架可以更好连接远端支架The Y stenting technique and The Y stenting technique77 case being with bifurca