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Open repair for juxtarenal aortic aneurysms.

Authors: CHIESA , ROBERTO; TSHOMBA, YAMUME; Mascia D; Rinadi E; Logaldo D; Civilini E.;

Open repair for juxtarenal aortic aneurysms.

Abstract

Abdominal aortic aneurysms (AAAs) are classified as juxtarenal if their proximal extent is next to the origin of the renal arteries but does not involve them. An AAA is suprarenal if it extends above at least one renal artery and ends below the celiac axis. Juxtarenal AAAs need inter-renal or suprarenal clamping, with the aortic reconstruction usually made at the infrarenal level. Aneurysms requiring suprarenal clamping, often supraceliac, and the reconstruction (direct attachment or bypass) of at least one renal artery, are often defined as suprarenal AAAs. Endovascular aortic repair (EVAR) is feasible in most of cases of infrarenal AAAs and has been shown to be as effective as open repair (OR) in reducing aneurysm-related mortality and perioperative mortality with shorter length of stay. However, the feasibility of standard EVAR with an on-label use of commercially available devices is limited in the juxtarenal aorta. In our series, approximately, 20% to 30% of patients with an AAA are considered not eligible for standard EVAR owing to their anatomy, and in the most of the cases are patients with juxtarenal AAAs. Fenestrated and branched endografts and newer "off the shelf" techniques (such as chimney, periscope, sandwich) have been recently described, all with the purpose of widening the therapeutic range of EVAR to the treatment of aneurysms with involvement of renal and visceral arteries. However, safety, efficacy, long-term results, and cost-effectiveness of these expensive techniques have still to be carefully assessed. For these reasons, the OR is currently still considered the gold standard for treatment of juxtarenal AAAs, reserving endovascular strategies mainly for high-risk patients having comorbidities or other contraindications for conventional repair. If compared to open repair of infrarenal AAAs, juxtarenal AAA OR is technically more complex and might require specific organ-protection strategies in order to minimize ischemia-reperfusion injury to kidneys and visceral organs. Because of the complexity of the surgical procedure and of the multiple clinical problems, an optimal operative strategy for the treatment of juxtarenal AAAs has not been established yet. The choice of the surgical access, clamping level, methods of organ protection and their impact on renal, respiratiry, cardiac and gastrointestinal morbidity are still debated issues.

Country
Italy
Related Organizations
Keywords

Aged, 80 and over, Diagnostic Imaging, Endovascular Procedures, Middle Aged, Aortography, Constriction, Blood Vessel Prosthesis Implantation, Treatment Outcome, Predictive Value of Tests, Humans, Anesthesia, Tomography, X-Ray Computed, Aged, Aortic Aneurysm, Abdominal

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    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
19
Top 10%
Top 10%
Top 10%
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