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PT  - JOURNAL ARTICLE
AU  - Ohta, T.
AU  - Murao, K.
AU  - Miyake, K.
AU  - Takemoto, K.
AU  - Nakazawa, K.
TI  - Risk Factors for Early Hemorrhagic Complications after Endovascular Coiling of Ruptured Intracranial Aneurysms
AID  - 10.3174/ajnr.A4033
DP  - 2014 Jul 03
TA  - American Journal of Neuroradiology
4099  - http://www.ajnr.org/content/early/2014/07/03/ajnr.A4033.short
4100  - http://www.ajnr.org/content/early/2014/07/03/ajnr.A4033.full
AB  - BACKGROUND AND PURPOSE: The risk factors of early hemorrhagic complications after endovascular coiling are not well-known. We identified the factors affecting early hemorrhagic complications, defined as any expansion or appearance of hemorrhage shown by head CT in the initial 48 hours after coiling. MATERIALS AND METHODS: We retrospectively reviewed a series of 93 patients who underwent coiling for a ruptured saccular aneurysm between 2006 and 2012 at our hospital. RESULTS: Five patients showed early hemorrhagic complications, and all involved an expansion of the existing intracerebral hematoma immediately after coiling. The associated risk factors were accompanying intracerebral hemorrhage at onset (P &amp;lt; .001), postoperative antiplatelet therapy (P &amp;lt; .001), and thromboembolic complications (P = .044). In the accompanying intracerebral hemorrhage group, the associated risk factors were postoperative antiplatelet therapy (P = .044) and earlier initiation of coiling (9.8 ± 6.5 versus 28.1 ± 24.0 hours, P = .023). Early hemorrhagic complications were significant risk factors for worse clinical outcome (modified Rankin Scale, 2.02 ± 2.21 versus 4.4 ± 2.30, P = .022). None of the 93 patients showed further hemorrhage after the initial 48 hours after coiling. CONCLUSIONS: The accompanying intracerebral hemorrhage at onset, thromboembolic complications, postoperative antiplatelet therapy, and earlier initiation of coiling were the risk factors for early hemorrhagic complications. Abbreviation ICHintracerebral hematoma