American Journal of Neuroradiology 27:289-292, February 2006
© 2006 American Society of Neuroradiology
INTERVENTIONAL
HydroCoil for Endovascular Aneurysm Occlusion (HEAL) Study: Periprocedural Results
a From the Department of Radiology, Mayo Clinic, Rochester, Minn
Address correspondence to Harry J. Cloft, MD, PhD, Department of Radiology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905
BACKGROUND AND PURPOSE: The HydroCoil Embolic System (HES) was developed to improve the efficacy of endovascular treatment of cerebral aneurysms. The purpose of this study is to study the periprocedural results in patients with cerebral aneurysms treated with HES.
METHODS: We report the initial periprocedural results in 191 cerebral aneurysms treated with HES in the HydroCoil for Endovascular Aneurysm Occlusion, or HEAL, study. Initial aneurysm occlusion and periprocedural complication rates were evaluated and compared with historical control data regarding aneurysms treated with platinum coils.
RESULTS: An initial occlusion result of "complete" or "near-complete" was achieved in 91.8% of aneurysms. Periprocedural thromboembolic events occurred in 8.1% of aneurysms treated with neurologic deficits related to thromboemboli occurring in 2.1% of aneurysms treated. Intraprocedural aneurysm perforations occurred in 2.8% of previously ruptured aneurysms, and in 0% of previously unruptured aneurysms.
CLUSION: The initial occlusion success and complication rate when HES is used to treat cerebral aneurysms is not significantly different from platinum coils. Follow-up angiography is currently being collected and will be evaluated to determine if use of the HES reduces the rate of aneurysm recurrence.
Related articles in AJNR:
- Correction of HEAL Registry Data Report
- Harry J. Cloft
AJNR 2006 27: 2023.[Full Text]
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