Table 3. Indications for CSF drainage in TEVAR for type B dissection repair.

Extensive coverage of descending thoracic aorta including T8-T12

Previous abdominal aorta repair

Poor collateral network (subclavian or hypogastric occlusions)

Immediate postoperative paraplegia

CSF, cerebral spinal fluid; TEVAR, endovascular repair of thoracic aorta.