What is the role of lumbar spinal drainage the treatment of cerebral aneurysms?

Updated: Dec 06, 2018
  • Author: David S Liebeskind, MD, FAAN, FAHA, FANA; Chief Editor: Helmi L Lutsep, MD  more...
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Lumbar spinal drainage allows relaxation of brain parenchyma and provides a clean surgical field. Postoperative angiography is performed routinely to check for major vessel occlusion or persistence of an aneurysmal rest. Operative morbidity rate increases with aneurysm size (2.3% for < 5 mm; 6.8% for 6-15 mm, 14% for 16-25 mm) and varies by location.

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