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Long-term outcomes and factors influencing late survival following elective abdominal aortic aneurysm repair: A 24-year experience.

Abstract：

BACKGROUND:Abdominal aortic aneurysms can be either treated by an open abdominal aortic aneurysm repair or an endovascular repair. Comparing clinical predictors of outcomes and those which influence survival rates in the long term is important in determining the choice of treatment offered and the decision-making process with patients. AIMS:To determine the influence of pre-existing clinical predictors and perioperative determinants on late survival of elective open abdominal aortic aneurysm repair and endovascular repair at a tertiary hospital. METHODS:Consecutive patients undergoing elective abdominal aortic aneurysm repair from 1990 to 2013 were included. Data were collected from a prospectively acquired database and death data were gathered from the Queensland state death registry. Pre-existing risks and perioperative factors were assessed independently. Kaplan-Meier and Cox regression modeling were performed. RESULTS:During the study period, 1340 abdominal aortic aneurysms were repaired electively, of which 982 were open abdominal aortic aneurysm repair. The average age was 72.4 years old and 81.7% were males. The cumulative percentage survival rates for open abdominal aortic aneurysms repair at 5, 10, 15 and 20 years were 79, 49, 31 and 22, respectively. The corresponding 5-, 10- and 15-year survival rates for endovascular repair were not significantly different at 75, 49 and 33%, respectively (P = 0.75). Predictors of reduced survival were advanced age, American Society of Anaesthesiology scores, chronic obstructive pulmonary disease, renal impairment, bifurcated grafts, peripheral vascular disease and congestive heart failure. CONCLUSIONS:Open repair offers a good long-term treatment option for patients with an abdominal aortic aneurysm and in our experience there is no significant difference in late survival between open abdominal aortic aneurysms repair and endovascular repair. Consideration of the factors identified in this study that predict reduced long-term survival for open abdominal aortic aneurysms repair and endovascular repair should be considered when deciding repair of abdominal aortic aneurysm.

journal_name

Vascular

journal_title

Vascular

authors

Khashram M,Jenkins JS,Jenkins J,Kruger AJ,Boyne NS,Foster WJ,Walker PJ

doi

10.1177/1708538115586682

subject

Has Abstract

pub_date

2016-04-01 00:00:00

pages

115-25

issue

eissn

1708-5381

issn

1708-539X

pii

1708538115586682

journal_volume

pub_type

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Long-term outcomes and factors influencing late survival following elective abdominal aortic aneurysm repair: A 24-year experience.