经桡动脉治疗lm分叉病变 中国医学科学院 阜外心血管病医院 杨跃进 md, phd,...
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![Page 1: 经桡动脉治疗LM分叉病变 中国医学科学院 阜外心血管病医院 杨跃进 MD, PhD, FACC TCC 2009,09/06/23-26 北京](https://reader038.vdocuments.mx/reader038/viewer/2022102511/5697c00f1a28abf838cca895/html5/thumbnails/1.jpg)
经桡动脉治疗 LM 分叉病变
中国医学科学院 阜外心血管病医院
杨跃进 MD, PhD, FACC
TCC 2009,09/06/23-26 北京
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内容提要
• 经股动脉介入( TFI )的问题
• TRI 的优势
• TRI 的发展现状
• TRI 治疗 LM 分叉病变
• TRI 治疗 LM 分叉病变的风险
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TFI 的问题明显• 强迫卧床 24 小时:患者难忍 诱发 DVT+ 肺栓塞致死风险!• 穿刺血管并发症:局部出血,血肿, 腹膜后血肿致死风险!• 血管封堵:费用增加 短期( <3ms )内不能再用 有失败率
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TRI 的优势突出• 穿刺桡动脉:更微创
无局部大出血致死风险!
• 术后下床活动:患者无痛苦,易接受
无诱发 DVT+ 肺栓塞致死风险!
• 宿短住院日:节省住院费用
• 建立 TRI 微创新模式
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我国 TRI 的发展现状
• 已有 >10 年经验
• 技术已成熟:与 TFI 一样
• 队伍已壮大
• 已形成大趋势
• 国际先进甚致领先
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Numbers of PCI @ Fu Wai Each Year
415 618921
1386 16051967
2555
32823821
4778
3 3 13 186 374706
1247
20182659
3833
0
1000
2000
3000
4000
5000
6000
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
Total PCI Radi al
80.22% in 2007
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TRI now widespreadly Used in China as well as in the word
> 50% sites in China
> 80% cases in Fuwai hospital as well
as other university hospitals
A lot of centers in Europe, Japan and
Asia
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我国 TRI 10 余年经验• 开拓者的带头作用:影响一单位• 开拓单位的示范作用:带动一地区• 全国开拓单位的合力:带动了全国• 技术精英的执着:攻克了技术难关 推动了 TRI 的发展• 会议,直播,培训班:规范提高了 TRI 技术
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我国 TRI 技术已趋成熟
• 简单病变
• 复杂病变:双支架 技术
• 高危病变: LM 病变
• 高难病变: CTO 病变
• 高危病人和病变
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New Technology Currently Used for Complicated Lesions
For CTO: final stronghold antigrade approach retrograde approach
For LM: high risk one-stent techniques
two-stent for bifurcations
For bifurcation: complicated one stent technique two stent technique DK crush Cullotte SKS provisional T TAP
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New Technology for Complicated Lesions in TRI For CTO:
anti-grade approachretro-grade approach
For LM:one-stent techniquetwo-stent techniques for LM
bifurcation For bifurcation:
one-stent techniquetwo-stent techniques
step DK crush step DK inverse crush
step cullotte step kissing stent provisional T TAP
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LM bifurcation PCI: Strategy
• One stent strategy : Crossover + balloon kissing
• Two stents strategy : Crush ( classic, step , reverse , Inverse, provisional ) Modify T Kissing ( V ) and step kissing
Stent Cullote Stent
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DES for LM: Principles
• Indication: Class Ⅲ
First choice :CABG instead of PCI
Unless: CABG contra. & PCI eligiable • LM ostium & body : PCI can replace CABG because of
low mortality
• LM CTO & in-stent restenosis : CABG
• Lower LVF or high risk of acute closure:
IABP needed
Baim DS, Mauri L, Cutlip DC. Drug-eluting stenting for unprotected left main coronary artery disease: are we ready to replace bypass surgery?
JACC 2006;47:878-81.
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71% enrolled (N=3,075)
All Pts with de novo 3VD and/or LM disease (N=4,337)
Treatment preference (9.4%) Referring MD or pts. refused
informed consent (7.0%) Inclusion/exclusion (4.7%) Withdrew before consent (4.3%) Other (1.8%) Medical treatment (1.2%)TAXUS
n=903PCI
n=198CABG
n=1077CABGn=897
no f/un=428
5yr f/un=649
PCIall captured w/
follow up
CABG2500
750 w/ f/uvsvs
Total enrollment N=3075
Stratification: LM and Diabetes
Two Registry ArmsRandomized Armsn=1800
Two Registry ArmsN=1275
Randomized ArmsN=1800
Heart Team (surgeon & interventionalist)
PCIN=198
CABGN=1077
Amenable for only one treatment approach
TAXUS*
N=903 CABG
N=897vsvs
Amenable for bothtreatment options
Stratification: LM and Diabetes
LM33.7%
3VD66.3%
LM34.6%
3VD65.4%
DM 28.5%
Non DM71.5%
NonDM71.8%
DM28.2%
23 US Sites62 EU Sites +
SYNTAX Trial DesignSYNTAX Trial Design
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Patient ProfilingPatient Profiling Local Heart team (surgeon &
interventional cardiologist) assessed each patient in regards to:
• Patient’s operative risk (EuroSCORE & Parsonnet score)
• Coronary lesion complexity (newly developed SYNTAX score)
• The goal of the SYNTAX score is to provide a tool to assist physicians in their revascularization strategies for patients with high risk lesions
Sianos et al, EuroIntervention 2005;1:219-227Valgimigli et al, Am J Cardiol 2007;99:1072-1081Serruys et al, EuroIntervention 2007;3:450-459Coronary tree segments based on the classification proposed by the AHA and modified for the ARTS study Circulation 1975; 51:31-3 & Semin Interv Cardiol 1999; 4:209-19
Leaman score, Circ 1981;63:285-299Lesions classification ACC/AHA , Circ 2001;103:3019-3041Bifurcation classification, CCI 2000;49:274-283CTO classification, J Am Coll Cardiol 1997;30:649-656
Tortuosity
Thrombus
Bifurcation
Total Occlusion
3 Vessel
Left Main
Dominance
Calcification
Number & location
of lesions
SYNTAXscore
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Adverse Events to 12 Months
ITT populationEvent Rate ± 1.5 SE, *Fisher exact test
All Death
Revascularization
CVA (Stroke)
Myocardial Infarction
TAXUS* (N=903)CABG (N=897)
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Revascularization* to 12 Months
Left Main Subset
6.7%
12.0%
0 6 12
20
40
0
Months Since Allocation
Cu
mu
lati
ve E
ven
t R
ate
(%
)
P=0.02*
TAXUS (N=357)CABG (N=348)
Event rate ± 1.5 SE, *Fisher exact test *Any revascularization (PCI or CABG); ITT population
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MACCE to 12 MonthsLeft Main Subset
P=0.44*
0 6 12
20
40
0
Months Since Allocation
Cu
mu
lati
ve E
ven
t R
ate
(%
)
13.6% 15.8%
TAXUS (N=357)CABG (N=348)
Event rate ± 1.5 SE, *Fisher exact test ITT population
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0 6 12
20
40
0
Months Since Allocation
Cu
mu
lati
ve E
ven
t R
ate
(%
)
TAXUS (N=118)CABG (N=103)
P=0.19*
7.7%
13.0%
Event rate ± 1.5 SE, *Fisher exact test Calculated by core laboratory; ITT population
MACCE to 12 Months by SYNTAX Score Tertile
Low Scores (0-22) LM Subset
Mean baselineSYNTAX Score
CABG 15.5 ± 4.3
TAXUS 15.7 ± 4.4
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0 6 12
20
40
0
Months Since Allocation
Cu
mu
lati
ve E
ven
t R
ate
(%
)
TAXUS (N=195)CABG (N=92)
Event rate ± 1.5 SE, *Fisher exact test Calculated by core laboratory; ITT population
P=0.54*
15.5%12.6
%
MACCE to 12 Months by SYNTAX Score Tertile
Intermediate Scores (23-32) LM Subset
Mean baselineSYNTAX Score
CABG 27.2 ± 3.0
TAXUS 27.0 ± 2.7
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0 6 12
20
40
0
Months Since Allocation
Cu
mu
lati
ve E
ven
t R
ate
(%
)
TAXUS (N=135)CABG (N=150)
P=0.008*
25.3%
12.9%
Event rate ± 1.5 SE, *Fisher exact test Calculated by core laboratory; ITT population
MACCE to 12 Months by SYNTAX Score Tertile
High Scores (33) Left Main Subset
Mean baselineSYNTAX Score
CABG 42.1 ± 7.6
TAXUS 43.8 ± 9.1
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Overall MACCE at 12 MonthsLeft Main Subset
ITT population
8.5
13.2
15.8
19.8 19.3
13.715.4
14.4
7.57.1
0
5
10
15
20
25
LM all LM only LM+1VD LM+2VD LM+3VD
TAXUSCABG
(n=705) (n=91) (n=138) (n=218) (n=258)
P=0.44 P=1.0 P=0.27 P=0.29 P=0.42
Pati
en
ts
(%)
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LM PCI----High Risk !
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LM-PCI: Evaluation and Stratification
• Procedural risk----safety !!!
• Strategy ---- feasibility
• Prognosis---- acute & subacute ST
• Long term outcomes ---- MACE
• Single LM & low risk---- PCI
• LM+multivessle diseases ---- CABG
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LM-PCI: Basic and Logistic Surports
• Experienced & skilled operators • Procedural strategy in advance • Emergency therapeutic
measures in advance • IABP for high risk Pts ( EF<35%
)• Cardiac surgery stand by• IVUS available• CCU available
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LM-PCI: Considerations for Decision Making
• LVF• LM lesion• LM with or without multi-vessle disease• Duel anti-platelet therapy
durability • Operaters skills & experiences• Evaluation the risk of PCI vs
CABG• Follow-up CAG necessary
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LM Bifurcation PCI: Strategic Considerations Based on Lesion
Anatomy
• Size of LM ,LAD & LCX
• LCX ostium lesion
• The angle beteen LCX &
LM
• The angle beteen LAD& LM
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LM Kissing Stenting: Tenchniques
• TFI: classic kissing
Guiding catheters: 8Fr. EBU
Wires: double wires, BMW Pilot 50 etal.
Balloon: 2.5-3.0mm predilatation
• TRI: step kissing stenting
Guiding: 6Fr. EBU ( ID: 0.071” ) AL1-2
Wires: double wires, it depends
Balloon: 2.5-3.0mm
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Classic LM Kissing Stenting: Procedural Skills
• IABP if eeded
• No damping of ABP after guiding
engagement
• Double wiring
• Selection of stents in advance
• Predilatation with moderate pressure
• Two stents advanced sequentially
• Keep proximal end of two stents at a line
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• Deploy the two stents sequentially ( no
simaltaneously ) with high presure
• Final kissing with balloon in place is
manditory
• Rekissing with the two balloon out of
proximal end of stents is also necessery
• IVUS ckeck
• Post kissing dilatation if needed
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Step LM KIssing Stenting: Procedural Skills
• IABP through femeral rout if needed
• TRI
• Guiding: 6Fr giant lumen EBU or AL1-2
• Wires: double wiring
• Balloon: Predilatation the most severe lesion first
• One stenting: advance stent distal to the lesion
with a balloon followed in
another vessel at LM bifurcation
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• Alighment: two proximal ends of stent & balloon alighed and positioned at LM
• Stent deployment and kissing, the proximal rekissing
• Second stenting: advance another stent distal to the lesion with a balloon ( same size as stent ) in the stent
• Alighment of the proximal end of stent & balloon, stenting, kissing & Proximal rekissing
• IVUS ckeck
• Post kissing dilatation if needed
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LM – Bifurcation: Case 1
• High risk LM - IABP • 78yrs male with repeat MI and HF
during last 3yrs • Angulated LM bifurcation lesion: • one-stent crossover+balloon kising
technique
• High risk LM - IABP • 78yrs male with repeat MI and HF
during last 3yrs • Angulated LM bifurcation lesion: • one-stent crossover+balloon kising
technique
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78yrs male with repeat MI and HF during last 3yrs Angulated LM bifurcation lesion: one-stent crossover+balloon kising technique
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LM Bifurcation: Case 2
• Two-stent technique: step crush stenting
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LM bifurcation: step crush stenting
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肖红兵 M 61yrs
Inverse crush
Excel Stents LAD: 3.5×14mm
LCX: 3.5×18mm
LM Bifurcation: Case 3LM Bifurcation: Case 3
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RCA stent OK ( 1 week ago ) LM bifurcation stenosis of 80-90%
LCX-OM 90% LAD-Ostium 90%
LCX-Ostium 80-90% LM bifurcation 80%
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Ballooning & stenting of LCX-OM
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Post-stenting of OM
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Ballooning & stenting of LAD-LM
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Ballooning & stenting of LCX-LM and crushing over LAD stent
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Post-double stenting LM bifurcation
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Rewing, reballooning and post-dilatation of LM- LAD stent
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Post-dilatationing LM-LCX stent and final kissing
double stenting of LM bifurcation
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The final results
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IVUS check optimal results
LAD-LM
Proximal LAD & distal seg of stent; distal stent: fully expanded;
at the LM bifurcation ; LM stent: fully expanded & No in complete apposition;
Proximal LM
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IVUS check optimal results
LCX-LM
Proximal LCX stent: fully expanded;
at the LM bifurcation; distal LM stent; Proximal LM stent.
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LM Bifurcation: Case 4--8
• Kissing stent---TFI• Step kissing stent---TRI
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TFI : classic LM
Bifurcation kissng
Stenting
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LM Bifurcation: Case 5
• Kissing stent---TFI
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• Step kissing with TRI ( 08-1-28):
• 刘忠 M 40yrs
• 病案号: 647737
• STEMI×3weeks Primary PCI failure
• Big LM+ Bifurcation : 80 % with
• Both LAD & LCX Ostium: 90 % • Mid-RCA: 50 % • IABP support IVUS check
LM Bifurcation: Case 6LM Bifurcation: Case 6
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Baseline CAA
Big LM , Bifurcation 80% with LAD & LCX ostium both 90% RCA Normal
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Pre-dilatation & step kissing
Two wires pretection, Pre-dilatation of LAD ( 16atm)
Pre-dilatation of LCX , LCX: liberte 3.5×16mm ( 16atm ) ,
LAD: 3.0mm balloonballooning , first proximal kissing.
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Pre-dilatation & step kissing
LAD stenting ( lib 3.5×20 ) , LCX ballooning ( quant 3.5×15 )
Kissing & proximal stents rekissing , post stents kissing
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Big balloon kissing
Post dilatation ( 20atm ) : LAD ( quant 4.5×15 ) , LCX ( quant 4.0×15 )
final kissing ( 20atm ) proximal stent kissing ( 20atm )
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Final results
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IVUS Check: LCX
Distal LCX, LCX stent, Ostium LCX
LM within stent, LM out of stent
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IVUS Check: LAD
Distal LAD, distal stent, proximal stent, Ostum LAD stent
LM within stent, LM out of stent
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LM Bifurcation Step Kissing: 1 yrs Follow-up CAA ( 09-2-12 )
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LM Bifurcation: Case 7
• Step-Kissing
Stenting
• 男性, 65 岁
• 高血压
• 糖尿病
• 高脂血症
• 陈旧性心肌梗死
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LM Step kissingstenting
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AL2.0, Pilot150, BMW Maverick 1.5x15mm, 2.5x15mm
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LAD: Maverick 3.0x20mm LAD :Taxus Liberte 3.5x24mmLCX: Maverick 3.0x15mm
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LAD :Quantum Maverick 3.5x15mm
LCX: Taxus 3.0x24mm
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LM Bifurcation: Case 8
• Step Kissing stenting
• 苏润平 M 41yrs 678194
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IVUS RAMUS-LM
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IVUS LAD-LM
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TRI for LM Bifurcation stenting: High Risk for
Complications! • Step kissing stent step crush• Stent dislodgement• Oustium even aortic root
dissection• Procedural failure due to wiring
failure• Side branch acute closure
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LM 分叉病变并发 LAD 急性闭塞
王继川 M 56yrs 663049
LM body 90%
LM-LAD rectangular angulated
LM-LCX rectangular angulated
LM-LCX Crossover stenting
complicating LAD acute closure
High Risk, No IABP
IABP+NTG: TIMIⅠ—Ⅱ 级!Currott Stenting
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Baseline CAA
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LM-LCX Crossover Stenting( 4.5×16mm ) Complicating
LAD Acute Closure
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刘焕清 M 68yrs
病案号: 657990
TRI LM 分叉
Kissing stenting 失败( IVUS
)
Crush 成功( IVUS )
PCI:08-6-12
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Step kiss Stenting complicating Stent Crushing
LAD-LM
with stent out of two crushed stents
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within stent within stent crushing the other oneLM Dissected
LCX-LM
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LM-LCX
within stent out of two crushed stentwith stent crushing the other stent
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LM Stent Dislodgement ( 5.0×16mm )
胡群英 M 63yrs 667883
LM 90 %
Stent dislodgement
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IVUS
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Step Kissing for LM Bifurcation Lesion Complicating Dissection
Involving Aortic Root
葛景新 M 66yrs
653726
LM bifurcation
Step kissing stent
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Baseline CAA & Step Kissing Stent
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IVUS OK
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马晓峰 M 52yrs 636885
OMI ( IPW ) for 3 weeks
07-9-13 baseline CAA:
LM Bifuro 80-90%
LAD Orifice 90% Mid-seg 80%
LCX Orifice 70% & bifurcation
RCA Mid-seg: 70-80%
PDA ( IRA ) Mid-seg: 100%
LVG: hypokinesia in inferior wall
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Mid-LAD 80% 3 sep-big-suppiying PDA collateral
LM Bifurcation 90% with LAD orifice 90% more LCX 80% with bifurcation
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Mid-RCA 80% Mid-PDA ( IRA ) 100%
ED-WG ES-WG Severe hypokinesia in Mid Inferior wall
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Mid-RCA 80% PDA 100%Predilatation PDA 2.5×18mm 支架 3.5×33mm 支架
IHF 2007 live demonstration ( 07-9-22 )
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LM-Bifurcation PCI TFI-8F EBU 3.5 guiding
Big LM with bifurcation sever stenosis and without sever calcification
Big sep to PDA collateral disappeared
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Wiring to LCX-OM & LADWith 2.5mm balloon predilatation of LAD lesion
appearing augulationLM-LAD lesion not fully opened
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Cypher 、 endeavor stenting could not cross the LM-LAD augulated lesion resulting in acute dosure, IABP
was inserted as needed
Kissing predilatation intimal teared
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Kissing stent with liberte 3.5×24mm in LAD & 2.75×18mm in LCXfinal kissing successful but LAD distal to stent
Severe disectedanother two stenting deploded in Mid-LAD
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Big septum OK
Kissing stenting successful
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Post-dilatation & kissing finalresults better final results
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Conclusions or Warning!
• Coronary LM disease: routine PCI ?
• No, it depends on
– Patient’s condition, intention, ecnomic
situation & family member’s agreement
– Doctor’s experience, skill & qualitications
– Risk stratificalions: never do it for the high
risk patients ( Cardiac noncardiac )
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Cardiac Surgeon’s Consuilt
• Right strategies technique skill & feasibility
• Circulation surpport measurea it needed
• Postoperative intensive care ( CCU )
• Remember: almost all LM disease itself is
high risk!
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TFI 的存在问题(一)• 自身局限性:桡动脉细小• 穿刺易失败:应精细• 易痉挛:改股动脉( 5 进 6 ?)• 解剖变异:食道后:不可能( JR4 引导)• 极度弯曲:操作困难( 5 进 6 ?)• 球囊的限制:后扩• 支架的限制:双支架
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TFI 的存在问题(二)• 操作问题:应尽量避免
– 穿刺不熟练:诱发桡动脉痉挛–超滑导丝操作过猛:血管损伤,血肿,骨筋膜挤压综合症
– 引导导管前送过粗:诱发血管痉挛和损伤– 引导导管选择失误:管腔和后坐力不够– 支架选择失误:双支架植入失败– 后扩球囊选择失误: Kissing 技术不能
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我国 TRI 技术发展方向• 首先开始做• 操作精细:绣花?• 培训,实践,经验积累• 开创新技术,规范,交流• 攻克技术难关:痉挛、迂曲、变异• 建立 TRI 微创新模式• 普及,提高,全面推广!• TRI 时代已经到来!• 让我们共同努力!
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欢迎参加
2009 北京国际心血管论坛 (IHF2009) :
第一届国际 TRI手术演示大会 2009/09/11 - 13 ,北京
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150
Unit of measure