Technical considerations for use of EndoAnchors in complex ... · Angulation Component separation...
Transcript of Technical considerations for use of EndoAnchors in complex ... · Angulation Component separation...
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Jean M Panneton, MD, FRCSC, FACS Professor of Surgery
Chief & Program Director Division of Vascular Surgery
Eastern Virginia Medical School Norfolk, VA, USA
Technical considerations for use of EndoAnchors
in complex EVAR and TEVAR
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Disclosure
Consultant: Lombard Medical, Medtronic Inc, Volcano, WL Gore
Speakers’ Bureau: Medtronic Inc.
Scientific Advisory Board: Medtronic Inc.
Speaker name: Jean M Panneton, MD
.................................................................................
I have the following potential conflicts of interest to report:
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Therapy
Migration/ Type 1 Leak
Birdbeaking
3
Prophylaxis
Severe Angulation
Component separation
Difficult landing
revision
Indications
EndoAnchors in CEVAR & TEVAR
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Areas to avoid:
– Mural thrombus >2mm thick and 180º of circumference
– Porcelain aorta (severe circumferential calcification)
– Loss of graft apposition with resulting gap
– Attaching endograft layers without aortic wall penetration
4
Excessive Thrombus in Aorta
Excessive Calcification in Aorta
Aorta dilated beyond endograft
To Lock Graft to the Aorta, EndoAnchors Must Penetrate Aortic Tissue
Contraindications
EndoAnchors in CEVAR & TEVAR
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Therapeutic use for proximal type I endoleak 1 yr
after TEVAR & 4 vessels FEVAR for Type I TAAA
EndoAnchors in CEVAR & TEVAR
Therapeutic Procedure
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Redo TEVAR with Left CCA Laser Fenestration and residual type Ia Endoleak
EndoAnchors in CEVAR & TEVAR
Therapeutic Procedure
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Placement of Endo Anchors at inner curvature for type I endoleak
EndoAnchors in CEVAR & TEVAR
Therapeutic Procedure
Completion Aortogram
after EndoAnchors rescue
Deployment of a 3rd
EndoAnchor at the inner arch
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Aptus Heli-FX Thoracic EndoAnchor System
Aptus Heli-FX EndoAnchor System
16Fr OD, 62cm working length
18Fr OD, 90cm working length
Images courtesy of National Institute of Health.
EndoAnchors in CEVAR & TEVAR
Procedural Technique: Guide size
Recommended Heli-FX Guide Selection
Aortic Inner Diameter
18-28 mm
28-38 mm
38-42 mm
Guide Tip Reach
22 mm 32 mm 42 mm
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EndoAnchors in CEVAR & TEVAR
Procedural Technique: Guide size
Undersizing the Guide may lead to more difficult deployment at the
inner arch, but may be useful in some circumstances such as outer
arch deployment or in FEVAR
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EndoAnchors in CEVAR & TEVAR
Easy Zone 1 Tricky Zone 1
Procedural Technique: outer arch deployment
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EndoAnchors in CEVAR & TEVAR
Bad angle of attack Good angle of attack
Procedural Technique: deployment angle
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EndoAnchors in CEVAR & TEVAR
Procedural Technique: advanced deployment
Ascending aorta
deployment in RAO view Side arch deployment in
barrel view
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Arch aneurysm requiring sternotomy and total arch debranching
with antegrade TEVAR
EndoAnchors in CEVAR & TEVAR
Procedural Technique: antegrade deployment
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EndoAnchors in CEVAR & TEVAR
Antegrade deployment of posterior EndoAnchors zone 0
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EndoAnchors in CEVAR & TEVAR
Completion angiogram 3D CTA @ 6 months
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83 y.o. male patient with 7cm Pararenal AAA after failed
EVAR from progressive neck dilation and migration treated
by 4 vessels FEVAR with EndoAnchors
EndoAnchors in CEVAR & TEVAR
Procedural Technique: FEVAR
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Balloon assisted deployment of Endo Anchors during FEVAR
for type IV TAAA with aortic angulation
EndoAnchors in CEVAR & TEVAR
Procedural Technique: aortic angulation
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EndoAnchors in CEVAR & TEVAR
Procedural Technique: Top 10 Tips
1. Plan the case: Wishful thinking does not create a landing zone
2. Deliver the endograft accurately
3. Size the Aptus guide according to endograft size
4. Undersize the Aptus guide for outer arch or FEVAR
5. Gantry at 90o angle to applier also at 90o angle to the aorta
6. Deploy at proximal edge of the graft and at least 2-3 rows
7. Anchor the revision cuff to the primary endograft & aorta
8. Place the EndoAnchors close to the fenestrations or chimneys
9. Keep the fenestration/chimney stents wired & protected
10.Don’t start with the most challenging anatomy
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Summary EndoAnchors in CEVAR & TEVAR
Type I endoleak after total arch
debranching and redo TEVAR resolved
after zone 0 EndoAnchors
The deployment of
EndoAnchors during TEVAR or
Complex EVAR is simple,
intuitive and safe.
The learning curve is relatively
short and experience allows
deployment in more challenging
anatomy
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EndoAnchors in CEVAR & TEVAR
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Jean M Panneton, MD, FRCSC, FACS Professor of Surgery
Chief & Program Director Division of Vascular Surgery
Eastern Virginia Medical School Norfolk, VA, USA
Technical considerations for use of EndoAnchors
in complex EVAR and TEVAR