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AJNR - American Journal of Neuroradiology

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Aggregate Analysis of the Literature for Unruptured Intracranial Aneurysm Treatment

Tony Lee^a, Michael Baytion^a, Robert Sciacca^b, J.P. Mohr^c and John Pile-Spellman^a

^a Division of Interventional Neuroradiology, Department of Radiology, New York Presbyterian Hospital and the Columbia University College of Physicians and Surgeons, New York, NY
^b Department of Medicine, New York Presbyterian Hospital and the Columbia University College of Physicians and Surgeons, New York, NY
^c Doris and Stanley Tananbaum Stroke Center, Neurological Institute of New York at Columbia University and New York Presbyterian Hospital, New York, NY

View larger version (21K): [in a new window]   FIG 1. Coiling AOR scattergram showing 19 prospective and retrospective studies. The average AOR was 8.8% (95% CI 7.6%–10.1%). Numbers correlate with study number given in Table 2.

View larger version (17K): [in a new window]   FIG 2. Coiling AORs versus time by median study date. Coiling, a relatively new procedure, demonstrates decreasing AORs between 1993 and 2000.

View larger version (21K): [in a new window]   FIG 3. Clipping AORs versus time by median study date. Clipping AORs increased between 1984 and 1999 after publication of larger, prospective multicenter studies.

View larger version (20K): [in a new window]   FIG 4. Clipping AOR scattergram showing 30 prospective and retrospective studies. The average AOR was 17.8% (95% CI 17.2%–18.6%). Numbers correlate with study number given in Table 3.