- Risk Factors for Hemorrhagic Complications following Pipeline Embolization Device Treatment of Intracranial Aneurysms: Results from the International Retrospective Study of the Pipeline Embolization Device
In this study of 793 patients with 906 aneurysms, 20 (2.5%) had intraparenchymal hemorrhage. Nine patients with intraparenchymal hemorrhage (45.0%) died, 10 (50.0%) had major neurologic morbidity, and 1 (5.0%) had minor neurologic morbidity. Variables associated with higher odds of intraparenchymal hemorrhage included treatment of ruptured aneurysms and the use of 3 or more Pipeline Embolization Devices. The Shuttle sheath was not associated with intraparenchymal hemorrhage.
- Clinical and Imaging Follow-Up of Patients with Coiled Basilar Tip Aneurysms Up to 20 Years
Clinical follow-up of 144 of 154 patients who survived the admission period (January 1995–August 2006) was for a mean of 9.8 years. Aneurysm size of 15 mm was the most important independent predictor for retreatment. Nine rebleeds occurred in 106 patients who initially presented with SAH after a median follow-up of 8.3 years. Eight patients died of aneurysm-related adverse events: 3 of rebleed and 5 of progressive mass effect. Life-long MRA follow-up at yearly intervals is recommended.
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