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Title: Open versus Endovascular Abdominal Aortic Aneurysm Repair in the Australian Private Sector Over Twenty Years.
Austin Authors: Qin, Kirby R ;Perera, Marlon ;Papa, Nathan;Mitchell, David A ;Chuen, Jason 
Affiliation: Vascular Surgery
Department of Surgery, The University of Melbourne, Parkville, Victoria, Australia
School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
Issue Date: Dec-2021
Date: 2021
Publication information: Journal of Endovascular Therapy 2021; 28(6): 844-851
Abstract: Over the past two decades, the proliferation of endovascular surgery has changed the approach to abdominal aortic aneurysm (AAA) repair. In Australia, close to two-thirds of surgical procedures are performed in the private healthcare system. We aimed to describe the trends in AAA repair in the Australian private sector throughout the early 21st century. Medicare Benefits Schedule (MBS) statistics were accessed to determine the number of infrarenal open AAA repair (OAR) and endovascular AAA repair (EVAR) procedures performed between January 2000 and December 2019. Population data were extracted from the Australian Bureau of Statistics and used to calculate incidence per 100,000 population. Further analysis was performed according to age, gender, and state. During the study period, 13,193 (67.0%) EVARs and 6504 (33.0%) OARs were performed in the Australian private sector. OARs fell from 70.5% (n=567) of AAA repairs in 2000 to 15.7% (n=237) in 2019, while EVARs rose from 29.5% (n=151) to 84.3% (n=808). The frequency of EVAR surpassed OAR in 2004. The overall incidence of AAA repair varied minimally over the time period (range: 4.9-6.5 per 100,000 adults per year). AAA repair was more common in males than females (9.7 vs 1.7 per 100,000 population) and more common in older age groups. There was a 4-fold increase in EVAR among males older than 85 years (12.8-57.4 per 100,000 population), the largest rise of any group. The overall EVAR:OAR ratio increased from 0.4 to 5.4. There were considerable state-based discrepancies. The landscape of AAA repair in Australian private sector has drastically changed with a clear preference toward EVAR. EVAR saw increased use across all genders, age groups and states, despite stable rates of AAA surgery. Further research is necessary to compare our findings to national trends in the Australian public sector.
DOI: 10.1177/15266028211028215
ORCID: 0000-0001-5215-5985
Journal: Journal of Endovascular Therapy
PubMed URL: 34212777
Type: Journal Article
Subjects: Medicare Australia
abdominal aortic aneurysm
endovascular aneurysm repair
open aneurysm repair
private sector
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