Physician-Modified and In Situ Fenestrated Stent Grafts in Zone 0 for Aortic Arch Pathology After Ascending Aortic Replacement

Abstract

Background:

We sought to describe our experience and outcomes of a zone 0 landing physician-modified aortic stent for the treatment of aortic arch pathologies late after open ascending aortic replacement.

Methods:

This study included consecutive patients with aortic arch diseases treated with total endovascular repair using different techniques. The indication for endovascular repair was agreed on in a multidisciplinary discussion. Study end points were technical success, early and late outcomes.

Results:

From November 2018 to May 2022, 16 consecutive patients underwent total endovascular repair of aortic arch pathologies. Median time for surgery was 4.8 hours (range, 2.6–6.6 hours). All the new-onset aortic arch pathologies were successfully treated. The 30-day mortality rate was 0%. Two patients had endoleak. The median length of postoperative stay was 4 days (range, 3–6 days). During follow-up, 1 patient underwent reintervention for type II endoleak. There were no conversions to retrograde dissection, aortic rupture and stroke.

Conclusions:

Our experience of using different total endovascular techniques for selective patients with arch pathologies who may be unfit or too risky for reopen surgery revealed favorable initial results. In addition, these techniques are promising options for urgent arch pathologies without availability of custom-manufactured devices. Durability concerns will need to be assessed in additional studies with long-term follow-up.

Clinical Impact

The use of physician-modified and in situ fenestrated stent grafts in zone 0 landing for aortic arch pathologies in patients with prior open ascending aortic replacement is effective in endovascular therapy. This innovation enables clinicians to offer an alternative option to high-risk patients, potentially reducing morbidity and mortality. It underscores the feasibility of tailored endovascular therapy in complex aortic diseases, where customized devices may not be available.

Keywords

aortic arch pathologies ascending aortic replacement physician-modified endograft in situ fenestration thoracic endovascular aortic repair

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