Bail-out technique to detach a locked Viabahn endoprosthesis in branched thoracic endovascular aortic repair

Bail-out technique to detach a locked Viabahn endoprosthesis in branched thoracic endovascular aortic repair

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A 69-year-old female patient presented with a 5.8 cm thoracoabdominal aortic aneurysm Crawford type II after partial arch replacement.She was treated airsoft pfp by a branched thoracic endovascular aortic repair procedure using a branched arch endograft with one retrograde branch to the left subclavian artery.

After deployment of nemacor maxx a Viabahn as a bridging covered stent to the left subclavian artery, the deployment line did not detach and the delivery catheter could not be removed.With the use of a physician-modified sidehole catheter and balloon fixation, the pulling line could be released without displacement of the Viabahn endoprosthesis.