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We report the case of a physician-modified four-fenestration endograft for the emergent treatment of a 65-year-old patient with postdissection thoracoabdominal aneurysm deemed unfit for open surgery. The patient, after elective thoracic endovascular aneurysm repair as the first stage of a preplanned two-stage total thoracoabdominal endovascular repair, presented acute onset of dyspnea and thoracic pain. Computed tomography angiography (CTA) showed signs of contained rupture. The Valiant Navion thoracic endograft was used for the creation of a physician-modified four-fenestration stent graft. A diameter-reducing wire technique was used to constrain posteriorly the prosthetic graft and to allow intraprocedural partial deployment. The modified stent graft was finally folded into its original sheath and implanted; four balloon-expandable stent grafts were used as bridging components. Postoperative CTA showed a residual type IIIc endoleak that was treated with a relining procedure 4 months later. At the 20-month follow-up, the patient is alive and well and CTA shows complete seal of the thoracic aneurysm with persisting small type IIIc endoleak in the abdominal aneurysm. A physician-modified endograft can be considered a valuable option in case of urgent treatment of TAAA in patients deemed unfit for open surgery when off-the-shelf devices are not available or contraindicated.

Physician-modified fenestrated Navion endograft for the treatment of a symptomatic postdissection thoracoabdominal aneurysm