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Results of “ Type II ” Hybrid Arch Repair with Zone 0 Stent Graft Deployment

Results of “ Type II ” Hybrid Arch Repair with Zone 0 Stent Graft Deployment. Jehangir Appoo, William Kent, Eric Herget, Jason Wong, Alberto Pochettino and Joseph Bavaria

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Results of “ Type II ” Hybrid Arch Repair with Zone 0 Stent Graft Deployment

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  1. Results of “Type II” Hybrid Arch Repair with Zone 0 Stent Graft Deployment Jehangir Appoo, William Kent, Eric Herget, Jason Wong, Alberto Pochettino and Joseph Bavaria Division of Cardiac Surgery, LibinCardiovascular Institute of Alberta & Division of Diagnostic Imaging, University of Calgary & Hospital of the Univ. of Pennsylvania, Dept. of Cardiac Surgery, University of Pennsylvania

  2. Evolution of Management Options for Diffuse Pathology of the Ascending, Arch and Descending Thoracic Aorta Conventional open two-stage procedure Treatment mortality including first stage, second stage and interval mortality as high as 36% in contemporary series Etz, Griepp et al. EJCTS 2008;34;605-615 Frozen stented elephant trunk concept (E-vita Registry) 15% operative mortality and 8% SCI Jakob, H et al. J of CardiovascSurg 2011;52(5):717-23

  3. Type I Hybrid – Arch Debranching Procedure • Antoniou et al., Eur J Vasc Endovasc Surg 2010;39:683-690 : 10.5% incidence of proximal Type I endoleak, retrograde Type A dissection and graft migration • Type II Hybrid Arch Procedure • Allows for full arch reconstruction while avoiding prolonged circulatory arrest and complications associated with distal arch replacement. Minimizes the risk of late proximal graft complications (retrograde dissection) by placing the endograft within surgically replaced dacron ascending aorta. May have advantages for managing both acute and chronic diffuse thoracic aortic pathology.

  4. Calgary/UPenn “Type II” Hybrid Milewski, Bavaria et al., JTCVS 2010;140:590-7 Kent, Appoo et al., Ann Thorac Surg 2011; In Press.

  5. The “Type II” Hybrid Option Advantages: Single stage “Bavaria graft” replaces diseased ascending aorta, provides robust fixation for stent graft and minimizes risk of endoleak and retrograde dissection

  6. The “Type II” Hybrid Option • Advantages: • Avoidance of prolonged circulatory arrest • CPB is advantageous: • Cerebral protection • perfusion during arch debranching • Resection of ascending aorta

  7. Left Common Carotid and Left Subclavian Branches Brachiocephalic Trunk Branch 28 mm Tube Graft Endovascular System Delivery Branch

  8. Branches to Left Carotid and Left Subclavian Arteries Proximal Stent Graft Landing Zone in Replaced Ascending Aorta Branch to Innominate Artery Under Innominate Vein Native Ao Arch

  9. Procedure • Replacement of Ascending +/- aortic valve and root repair • Arch debranching • Antegrade endovascular stent graft deployment * Last 9 cases done without circulatory arrest

  10. Results: Perioperative

  11. Type II Hybrid Procedure: Technically achievable repair Less invasive and potentially improved perioperative outcomes No incidence of rupture, aneurysm progression, or retrograde type A dissection at 2 year follow up. Attractive option for patients with diffuse thoracic aortic pathology Long-term results yet to be determined

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