how to manage coronary dissections and intramural hematomas 2015
TRANSCRIPT
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Coronary Intramural Hematomas:
Image Characteristics and Management
Po-Ming Ku, MD. 顧博明醫師
Cardiovascular Center, Chi-Mei Hospital, Liuoying.
柳營奇美醫院 心血管中心
00
0
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Intramural hematoma (IMH)
• 2003ACC Task Force defined as an
accumulation of blood within the
medial space displacing the internal
elastic membrane inward and the
external elastic membrane outward,
with or without identifiable entry and
exit points.
• Intramural hematomas were typically
crescent-shaped, with straightening of
the internal elastic membrane.
IVUS
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2011 Tainan, Taiwan
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Imaging IMH
• IVUS:
– Dissection: 可用
– No flow: 看得到
– Localization: 可以
– IMH影像:較清晰
– stent apposition:不清晰
• OCT:
– Dissection: 可能惡化夾層
– No flow: 看不到
– Localization:不可以
– IMH影像:不清晰
– stent apposition:較清晰
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IMH (2)
• Maehara A. et al reported 905 pts with 1025 consecutive PCI by IVUS evaluation. Circulation. 2002;105:2037-42.
• The incidence of IMH per artery was 6.7%.
• 36% involved the proximal reference artery, 46% distal .
• The entry site was identified in 86% of IMH.
• 60% of the IMH: the angiogram had the appearance of a dissection;
• 11% of the IMH, it appeared to be a new stenosis by angio.
• 29% of the IMH, no significant abnormality was detected by angio.
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IMH (3)
• The proper management of IMH has not been well-defined.
南都伸介 編 PCIテクニック 2008ed
Page 109.
4.0x4.3mm
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78M, typical anina for 2 mons
Thallium scan: myocardial ischemia on lateral wall.
2011 Tainan, Taiwan
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DK mini-crush technique
(Taxus Liberte 2.75/16mm stent, Sprinter 4.0/10mm BC)
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IMH documented by IVUS cutting
3.5/10mm cutting
2011 Tainan, Taiwan
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After cutting
2011 Tainan, Taiwan
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After cuttingBefore cutting
2011
Tainan,
Taiwan
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IMH ≈ dissection
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Tx for dissections: (IMH ≈ dissection)(1) stent edge dissection
(2) spiral dissection
(3) spontaneous coronary artery dissection (SCAD)
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The CLI-OPCI study - Angiography alone versus
angiography plus OCT to guide decision-making during
PCI: imaging and clinical results
stent edge dissection
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How to rescue by stenting
spiral dissection
spiral dissection
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Patient data:• 52M, typical angina for 7 mons.
• H/T, Dyslipidemia, smoking. DM nephropathy (Cr = 2.2mg/dl)
• 3-V CAD, failed PCI for RCA-CTO 2 weeks ago at another hospital.
2009 Tainan, Taiwan
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2009 Tainan, Taiwan
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No IVUS, 1st stenting
2009 Tainan, Taiwan
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2nd stenting
2009 Tainan, Taiwan
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3rd stenting
2009 Tainan, Taiwan
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2009 Tainan, Taiwan
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。Uneventful, no more angina.
。 F/U CAG 3 months later.
2009 Tainan, Taiwan
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72F, stable angina, CCS Fc 2-3,
DM, dyslipidemia, 3-V-D,
Referred after failed PCI to RCA-CTO 1 month ago.
SYNTAX score: 31
2009 Tainan, Taiwan
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After 1.25mm POBA through side branch technique
2009 Tainan, Taiwan
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Rewiring with Fielder FC GW through
Crusade microcatheter
2009 Tainan, Taiwan
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RCA-P RCA-D
2.5x3.0; CSA 5.9
EEM: 2.5x2.7mm
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RCA-P
88mm
Strategy: Full metal jacket stenting
2.5x3.0; CSA 5.9
EEM: 2.5x2.7mm
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Full metal jacket3rd DES 3.0/32mm, 16 atm Final angiography
2009 Tainan, Taiwan
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RCA-DRCA-P
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12 months later
2010 Tainan, Taiwan
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Noh HJ, et al.
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Noh HJ, et al.
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IMH
IMHIMH
After
cutting
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L’t, transradial, JR4 catheter
2010 Tainan, Taiwan
66M, typical angina with Tl scan: inferior wall myocardial ischemia.
DM, HCVD, Dyslipidemia.
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Mild angina, p’t refused CABG
2010 Tainan, Taiwan
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Next day (No angina, cardial enz: np)
2010 Tainan, Taiwan
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Transfemoral, 6F, SCR 4 GC,
Fielder FC GW in 1.5mm O-T-W balloon catheter
2010 Tainan, Taiwan
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1.5 mm POBA
2010
Tainan
Taiwan
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No IVUS, contrast injection by O-T-W BC
2010 Tainan, Taiwan
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2.5/20 mm POBA (3-8 atm)
2010 Tainan, Taiwan
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Tsunami 2.5/24 mm stenting
2010 Tainan, Taiwan
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Final
2010 Tainan, Taiwan
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46F, angina for 16 hrs, Tn-I 16.8ng/dl
no CAD risk factor
2013 Tainan, Taiwan
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POBA
2013 Tainan, Taiwan
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2.5/32 mm BMS, 12 atm
2013 Tainan, Taiwan
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after stenting Initial
2013 Tainan, Taiwan
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Spontaneous coronary artery dissection
2013
Tainan
Taiwan
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an initial conservative approach “watchful waiting strategy”
for stabilized patients with SCAD
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Take Home Messages
• IMH: cutting balloon: artery = 1.2 : 1
• Stent edge dissection: 0.2mm, 0.6mm, 0.3mm
• IVUS-guided rescue spiral dissections.
• SCAD: watchful waiting strategy for stabilized patients
Just do IVUS
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☺ Thanks for your attention ☺
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64M, unstable angina for 10 days SYNTAX score: 12
crescendo angina on exertion
Tainan, Taiwan. 2015
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OCT without pre-dilatation
Tainan, Taiwan. 2015
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1.5/20 mm-POBA, then OCT
Tainan, Taiwan. 2015
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OCT
Tainan, Taiwan. 2015
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NC Quantum 4.5/20mm, 12 atm
Tainan, Taiwan. 2015
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OCT
Tainan, Taiwan. 2015
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IVUS
Tainan, Taiwan. 2015
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Omega 4.5/24mm, 12 atm
Tainan, Taiwan. 2015
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IVUS
Tainan, Taiwan. 2015
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OCT
Tainan, Taiwan. 2015
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NC Quantum 5.0/12mm, 12 atm
Tainan, Taiwan. 2015
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OCT and final angio
Tainan, Taiwan. 2015
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