Long-term outcomes of thoracic endovascular repair with quick fenestrater assisted in situ fenestration for type B aortic dissection

Abstract

Objectives

To report the long-term outcomes of patients with type B aortic dissection (TBAD) treated with thoracic endovascular aortic repair (TEVAR) and quick fenestrated (QF)-assisted in situ fenestration (ISF).

Methods

Between October 2017 and December 2018, 15 patients with TBAD requiring revascularization of the supra-aortic trunks underwent TEVAR with QF-assisted ISF at our institution.

Results

Thirteen of the 15 patients were male, and the mean age was 52.87 ± 11.26. The technical success rate was 100%. Thirty-day mortality rate was 0. The median follow-up period was 41 months (range, 35–49). During follow-up, one non-aortic-related death was recorded, no fenestration lost its alignment, and no stroke or stent graft migration was observed. Two patients underwent another successful endovascular repair. One case of type Ib endoleak occurred 19 months postoperatively. This was caused by aortic progression distal to the stent graft. Another stent graft with a larger diameter was implanted in the descending aorta. One case of type Ic endoleak was observed 35 months postoperatively. The patient was diagnosed during the annual follow-up without any symptoms. Another bridging stent graft was implanted into the left subclavian artery distal to the already existing one, and the type Ic endoleak was successfully treated.

Conclusions

TEVAR with QF-assisted ISF may be an effective treatment for ISF in type B aortic dissection.

Keywords

Aortic dissection thoracic endovascular aortic repair bridging stent in situ fenestration needle

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