Changes of the Infrarenal Aortic Segment After Conventional Abdominal Aortic Aneurysm Repair

Objectives to delineate the natural history of the residual infrarenal aortic segment after conventional abdominal aortic aneurysm (AAA) repair. Design open prospective study. Patients and methods between 1990 and 1997, 100 patients, who underwent conventional infrarenal AAA repair at our department...

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Bibliographic Details
Published in:European journal of vascular and endovascular surgery 2000-06, Vol.19 (6), p.643-647
Main Authors: Liapis, C., Kakisis, J., Kaperonis, E., Papavassiliou, V., Karousos, D., Tzonou, A., Gogas, J.
Format: Article
Language:English
Subjects:
Abdominal
Aged
Aged, 80 and over
Aorta, Abdominal - pathology
Aorta, Abdominal - surgery
Aortic aneurysm
Aortic Aneurysm, Abdominal - diagnosis
Aortic Aneurysm, Abdominal - surgery
Blood Vessel Prosthesis Implantation
Dilatation
Dilatation, Pathologic - diagnosis
Disease Progression
Doppler
Duplex
Follow-up studies
Humans
Middle Aged
Pathologic
Postoperative Period
Prospective Studies
Recurrence
Risk Factors
Tomography, X-Ray Computed
Treatment Outcome
Ultrasonography
Ultrasonography, Doppler, Color
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Summary:Objectives to delineate the natural history of the residual infrarenal aortic segment after conventional abdominal aortic aneurysm (AAA) repair. Design open prospective study. Patients and methods between 1990 and 1997, 100 patients, who underwent conventional infrarenal AAA repair at our department, were followed annually by means of colour duplex ultrasonography. Data from 76 patients who had at least 3 scans were analysed. Results mean duration of follow-up was 4.7 years (range: 3–8 years). The residual infrarenal aorta dilated a mean of 0.57 mm annually. No patient required reoperation. There was no significant correlation between dilatation and any of the recorded risk factors except for the initial neck diameter (p=0.03). Conclusions conventional AAA surgery is durable so that surveillance, during the first 5 postoperative years, is not justified in terms of cost-effectiveness. The impact of such a dilatation on endovascular AAA repair requires further investigation.
ISSN:1078-5884
1532-2165
DOI:10.1053/ejvs.1999.1086