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Intraoperative variables contributing intracranial aneurysm rupture (coiling only).
| Outcome | |
|---|---|
| Preprocedural | |
| Hypertensive patients | Poor |
| Angiography in acute phase of SAH | |
| Contrast injection induced hypertension | |
| Intraprocedural factors | Poor |
| Age younger than 65 years | |
| Very small aneurysms | |
| Wide neck > 4 mm | |
| Type of artery (MCA and posterior circulation) | |
| Previously ruptured aneurysm | |
| Experience of neuroradiologist |
