Standardized Physician-modified Fenestrated Endograft Registry
University Hospital Padova
50 participants
Oct 1, 2023
OBSERVATIONAL
Conditions
Summary
Multicenter retrospective study including all consecutive patients treated by PMEG using a standard modification technique of Valiant Captivia (Medtronic, Minneapolis, MN-USA).
Eligibility
Inclusion Criteria3
- Complex AAA (including short-neck AAA, JRAA, PRAA, extent IV TAAA)
- Haemodynamic stability
- Anatomical feasibility is based on the presence of a proximal aortic neck above the mid celiac trunk of ≥25 mm in length and between 18 mm and 35 mm in diameter; the neck needs to be "healthy" with no parietal calcifications or thrombus with a cylindrical shape. The visceral aorta is required to be no larger than 40 mm in maximum diameter.
Exclusion Criteria2
- Extent I-III TAAA
- Hemorrhagic shock
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Interventions
On a sterile back-table a Valiant Captivia thoracic graft is deployed. A dotted line is drawn to mark the graft anterior 0° degree, and fabric holes are performed with cautery in the desired position. The fenestrations need to be 6x6 mm for the renals and 8x8 mm for superior mesenteric artery (SMA) and celiac trunk (CT), and are reinforced with the tip of a 0.018 guidewire through a continuous 5-0 locking suture. A posterior constraining wire is created to reduce the diameter of the graft by 20-30%, in order to allow rotation during the deployment phase. The four "8" markers on the top of the graft are carefully removed with a scalpel; one of these is modified as an "S" and re-sutured on the anterior aspect at 0 degree position, with a 5-0 prolene continuous suture. This "S" marker will allow anteroposterior graft orientation. Finally, the graft is re-sheathed and deployed.
Locations(1)
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NCT06358248