dr. konstantinos katsanos, msc, md, phd, ebir · dr. konstantinos katsanos, msc, md, phd, ebir...
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Dr. Konstantinos Katsanos, MSc, MD, PhD, EBIR
Asst. Prof. Interventional Radiology
School of Medicine, Patras University Hospital, GR
Honorary Consultant Interventional Radiologist
Guy's and St. Thomas' Hospitals, London, UK
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Nothing to disclose
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Bypass Angioplasty
Anatomical factors (stenoses, run-off, vein, etc)
Clinical factors (comorbidities, age, etc)
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Crural Angioplasty Femorodistal bypass
Comorbidities eligible Eligibility varies
Variable access options Standard anatomical approach
Native vessels recanalization Vein conduit necessary
Low complication rate High complication rate
Demanding interventional skillset Demanding surgical skillset
May be repeated multiple times Revision very difficult
Maintains bypass options Burns angioplasty options
2-3 vessels recanalization Single line of flow to the foot
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Romiti M, et al. 30 studies 1990-2006
Meta-analysis of infrapopliteal angioplasty. J Vasc Surg. 2008
Primary patency
Limb salvage
Bypass 66-76%
Bypass 82-84%
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Patel S, et al. Propensity matched comparison BJS 2016
P=0.161P=0.014
Complications: 21⋅6% versus 36⋅0% in surgical bypass; P=0⋅041
Hospital stay: 5 versus 18 days in surgical bypass; P =0⋅001
279 limbs in 243 patients → 125 propensity matched limb pairs
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Endovascular-first
or bypass-first
For CLI?
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US, Nationwide Inpatient Sample, 1,797,885 patients
Lo RC, et al. J Vasc Surg 2014;59:409-18
Claudication
CLI
Bypass versus Endo
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Women versus men; p<0.01
0.5% vs 0.2% after angioplasty or stenting for intermittent claudication
1.0% vs 0.7% after open surgery for intermittent claudication
2.3% vs 1.6% after angioplasty or stenting for CLI
2.7% vs 2.2% after open surgery for CLI
US, Nationwide Inpatient Sample, 1,797,885 patients
Lo RC, et al. J Vasc Surg 2014;59:409-18
F M
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Wiseman JT, Ann Surg 2017;265:424–430
30-day outcomes
Reduced mortality with ENDO
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Wiseman JT, Ann Surg 2017;265:424–430
Amp-free survival
HR=0.84 (0.79-0.89)
Overall survival
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PubMed (MEDLINE), EMBASE, AMED, and
Scopus) searched with the PRISMA process
Frequentist Meta-analysis of Endovascular versus
Surgical Bypass for Severe/Critical Limb ischemia
Random effects model – LOG HAZARD SCALE
(time-to-event analyses)
Katsanos K, Work in progress
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30 studies - 29688 cases
14523 endovascular
versus
15165 surgical bypass
(1 randomized, 5
propensity matched, 4
multivariable adjusted,
20 unadjusted cohorts)
HR (95%CI): 0.74 (0.62-0.87)
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HR (95%CI): 1.05 (0.94-1.17)
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ENDO first approach in all patients
Early benefit of reduced mortality
Late benefit of improved limb salvage
No difference in overall patient survival
Randomized studies pending?
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Thank You
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