Paraplegia after endovascular repair of the thoracic and thoracoabdominal aorta |
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Authors: | Kotelis D Geisbüsch P von Tengg-Kobligk H Allenberg J-R Böckler D |
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Institution: | Klinik für Gef?sschirurgie, Vaskul?re und Endovaskul?re Chirurgie, Chirurgische Universit?tsklinik Heidelberg. |
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Abstract: | AIM: The aim of this study was to analyse the incidence and aetiology of paraplegia secondary to endovascular repair of the thoracic and thoracoabdominal aorta (TEVAR). METHODS: A retrospective study was conducted in the patients treated at our facility between March 1997 and April 2007. During this interval, 173 patients (163 men; median age: 62 years) underwent endovascular repair of the thoracic aorta. Indications for treatment were thoracic aortic aneurysms in 36 patients, thoracoabdominal aortic aneurysms in 33 patients, type B dissections in 43 patients, type A dissections in 5 patients, penetrating aortic ulcers in 31 patients, traumatic aortic transections in 9 patients, post-traumatic aortic aneurysms in 5 patients, aortobronchial fistulas in 8 patients, aortic patch ruptures in 2 patients, and an anastomotic aortic aneurysm in 1 patient. 101 procedures (58%) were conducted as emergency interventions while 72 were elective. Device design and implant strategy were chosen on the basis of an evaluation of morphology from a computed tomographic scan. Clinical assessment and imaging of the aorta (CT or magnetic resonance imaging) during follow up were performed prior to discharge, at 6 and 12 months, and then annually. RESULTS: A primary technical success was achieved in 170 patients (98%). The overall 30-day mortality rate was 9.2%. Length of follow-up ranged from 1 to 96 months, with a mean of 52 months. Paraplegia or paraparesis developed in 3 patients (1.7%). Two of these patients had a thoracoabdominal aortic aneurysm and the third a chronic expanding type B dissection, being treated with hybrid procedures. CONCLUSIONS: Endovascular repair of the thoracic and thoracoabdominal aorta is associated with a relatively low risk for postoperative paraplegia or paraparesis. Patients requiring long segment aortic coverage, and with prior aortic replacement are especially at risk. |
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