Perioperative hypotension (MAP <70 mm Hg) was found to be a significant predictor of spinal cord ischemia; hence, careful monitoring and prompt correction of arterial pressure may prevent the development of paraplegia. When the latter occurred, reduction of the CSF pressure by drainage was useful. Patients with a previous or synchronous abdominal aortic repair may also benefit from CSF drainage as a perioperative adjunct.
The incidence of AEF and ABF following TEVAR is not negligible, and is comparable to that following open repair. This finding warrants an ad hoc long-term follow-up after TEVAR, particularly in patients submitted to emergent and complicated procedures. Both surgical and endovascular treatment of AEF/ABF are associated with high mortality. However, conservative treatment does not appear to be a viable option.
Endovascular repair of complicated type B aortic dissection with the use of a composite construct demonstrates favorable early clinical outcomes and aortic remodeling. However, patients treated in the acute setting may be prone to aortic growth and may require close observation. Follow-up through 5 years is ongoing.
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