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The Gore Hybrid Vascular Graft in renovisceral debranching for complex aortic aneurysm repair.

Abstract：

OBJECTIVE:This study reports our initial experience with the Gore Hybrid Vascular Graft (GHVG; W. L. Gore & Associates, Flagstaff, Ariz) for staged hybrid open renovisceral debranching and endovascular aneurysm repair in patients affected by thoracoabdominal aortic aneurysms and pararenal abdominal aortic aneurysms (PAAAs). METHODS:Between December 2012 and December 2013, we analyzed outcomes of 13 patients who underwent open surgical debranching of renovisceral vessels for thoracoabdominal aortic aneurysm and PAAAs. All patients were considered at high risk for conventional surgery. Inclusion criterion was treatment by open surgical debranching of at least one visceral artery (renal artery, superior mesenteric artery [SMA], or celiac trunk [CT]) using the GHVG. In a second step, the aortic stent graft was implanted to exclude the aneurysm. If required, parallel grafts to the remaining visceral arteries were deployed in the same procedure. One patient had a symptomatic descending thoracic aortic aneurysm and another had a ruptured PAAA. Perioperative measured outcomes were immediate technical success rate, mortality, and morbidity. Median follow-up was 24.8 months (range, 0-15; mean, 8.2; standard deviation, 4 months). RESULTS:All open surgical debranching of renovisceral vessels were completed as intended. GHVG was used to revascularize 20 visceral vessels in 13 patients with a mean of 1.54 vessels per patient. Six renal arteries (30%; 2 right and 4 left), 9 SMAs (45%), and 5 CTs (25%) were debranched. In nine of 13 (66%) patients, other renovisceral arteries were addressed with chimney/periscope, Viabahn Open Revascularization Technique, and end-to-side anastomosis. Two of 13 patients (15%) died of bowel ischemia. Neither patient had GHVG revascularization to the SMA or CT. Perioperative complications occurred in three patients (23%; 1 renal hematoma, 1 respiratory insufficiency, and 1 small-bowel ischemia related to a SMA GHVG thrombosis). At 24 months, estimated survival was 85%, and estimated primary and secondary patency were 94% and 100%, respectively. CONCLUSIONS:This limited series extracted from a more consistent hybrid procedure experience showed a mortality rate similar to most recent reports. Technical feasibility and the short-term patency rate of the GHVG for renovisceral debranching during staged hybrid open and endovascular procedures were satisfactory. Use of GHVGs may represent a useful revascularization adjunct to minimize visceral ischemia in these challenging patients.

journal_name

J Vasc Surg

journal_title

Journal of vascular surgery

authors

Setacci F,Pecoraro F,Chaykovska L,Mangialardi N,Shingaki M,Veith FJ,Rancic Z,Lachat M

doi

10.1016/j.jvs.2015.12.059

subject

Has Abstract

pub_date

2016-07-01 00:00:00

pages

33-8

issue

eissn

0741-5214

issn

1097-6809

pii

S0741-5214(16)00151-8

journal_volume

pub_type

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The Gore Hybrid Vascular Graft in renovisceral debranching for complex aortic aneurysm repair.