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Comparison of Perioperative Outcomes of Patients with Iliac Aneurysms Treated by Open Surgery or Endovascular Repair with Iliac Branch Endoprosthesis.

Abstract：

BACKGROUND:Treatment of common and internal iliac aneurysms is usually done by open surgery. A novel iliac branch endoprosthesis (IBE) is commercially available with encouraging initial results. Our objective is to compare perioperative outcomes of patients with iliac aneurysms treated by open surgery (OS) versus endovascular repair with IBE. METHODS:The study was a retrospective, single-center review of patients who were treated for aortoiliac or isolated common and/or internal iliac artery aneurysms from 2014 to 2017. Patients with connective tissue disorders, infected grafts, or thoracoabdominal aneurysms were excluded. Primary outcomes were perioperative mortality, length of hospital (LOS) and intensive care unit (ICU) stay, estimated blood loss, need for red blood cell transfusion (RBC), and perioperative reinterventions. RESULTS:Sixty-seven patients (96% male) were treated with OS (n = 25, mean age 68 ± 8 years) or IBE (n = 42, mean age 73 ± 8 years; P = 0.02) with 1 symptomatic patient in each group. Perioperative mortality occurred in 1 patient in the OS group (4%), with no mortality in the IBE group (P = 0.37) Total LOS and ICU stay was higher for OS compared to IBE (total stay 7.5 ± 3.4 vs. 1.7 ± 1.4 days for IBE, P < 0.0001 and ICU LOS 3.3 ± 2.1 vs. 0.1 ± 0.4 days, P < 0.0001). Estimated blood loss was higher for patients undergoing OS (4,732 ± 2,540 mL) compared to patients treated with IBE (263 ± 451 mL, P < 0.0001), resulting in higher RBC transfusion requirements (1.5 ± 2.4 vs. 0.2 ± 0.8 units, P = 0.001). Five patients in the OS group had early procedure-related reinterventions, while 2 patients in the IBE group required reintervention for access site complications (20% vs. 4.7%, P = 0.09). CONCLUSIONS:Endovascular repair of iliac aneurysms with IBE is feasible and is associated with lower blood loss, LOS and ICU stay, and had lower RBC transfusion requirements. Cost analysis and long-term follow-up will be needed to define the value of this modality for iliac artery aneurysm repair.

journal_name

Ann Vasc Surg

journal_title

Annals of vascular surgery

authors

Mendes BC,Oderich GS,Sandri GA,Johnstone JK,Shuja F,Kalra M,Bower TC,DeMartino RR

doi

10.1016/j.avsg.2019.05.003

subject

Has Abstract

pub_date

2019-10-01 00:00:00

pages

76-84.e1

eissn

0890-5096

issn

1615-5947

pii

S0890-5096(19)30402-9

journal_volume

pub_type

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Comparison of Perioperative Outcomes of Patients with Iliac Aneurysms Treated by Open Surgery or Endovascular Repair with Iliac Branch Endoprosthesis.