• Vivek R Deshmukh, Udaya K Kakarla, Eberval Gadelha Figueiredo, Joseph M Zabramski, and Robert F Spetzler.
• Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona 85013, USA.
• Neurosurgery. 2006 Mar 1; 58 (3): 434-42; discussion 434-42.

ObjectiveThis is the largest contemporary series examining long-term clinical and angiographic follow-up of unclippable wrapped intracranial aneurysms.MethodsThe presentation, location and shape of aneurysm, wrapping technique, outcome at discharge and last follow-up, and change in aneurysm at last angiographic follow-up were reviewed retrospectively in 74 patients with wrapped or clip-wrapped aneurysms. Patients in whom wrapping was used in conjunction with primary clipping were excluded.ResultsOf the 74 patients, 11 were lost to follow-up. The mean age of the remaining 63 patients (16 males, 47 females) was 56.5 years (range, 13-89 yr). Fifty-one aneurysms were located in the anterior circulation, and 17 were located in the posterior circulation. Fourteen patients presented with a ruptured aneurysm. Seventeen aneurysms were fusiform. Seven aneurysms were clip-wrapped, and 61 were wrapped with cotton. At discharge the Glasgow Outcome Scale (GOS) score was 5 in 54 patients and 4 in 5 patients. Two patients died from their presenting hemorrhage, and one from a medical comorbidity. The mean clinical follow-up was 44.1 months (range, 1-120 mo). One patient under clinical follow-up experienced subarachnoid hemorrhage. The mean angiographic follow-up of 34 patients was 41.8 months (range, 3-120 mo). During this follow-up period, no patient's aneurysm changed in size or configuration.ConclusionWrapping or clip-wrapping of unclippable intracranial aneurysms is safe and seems to confer protection against aneurysmal growth or subarachnoid hemorrhage.

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