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Intracranial aneurysms coiling with matrix: immediate results in 152 patients and midterm anatomic follow-up from 115 patients.

Abstract : BACKGROUND AND PURPOSE: We report our experience using Matrix coils in coiling of cerebral aneurysms. METHODS: Clinical and angiographic outcomes of 152 patients (165 aneurysms) treated exclusively with Matrix coils were retrospectively analyzed. RESULTS: There were 74 ruptured aneurysms (44.8%) and 91 unruptured (55.2%). After coiling, 84 (50.9%) aneurysms were occluded, 38 (23.0%) aneurysms had a neck remnant, and 43 (26.1%) aneurysms had a sac remnant. Packing ranged from 10% to 49% (mean and median, 27%). Overall treatment-induced morbidity was 6.6% and mortality was 1.3% (10 of 152 to 2 of 152, respectively). One hundred fifteen (69.7%) aneurysms were followed, disclosing 42 (36.5%) recurrences at a mean period of 9 months (median, 6 months; range, 1 to 28 months). The recurrence rate for small aneurysms (<10 mm) was 28 (31.1%) of 90, whereas for larger aneurysms (>/=10 mm), the recurrence rate was 14 (56.0%) of 25 (P=0.0336). When packing was 25%, the recurrence rate was 29.8% (P=0.1588). Recurrence rate was not correlated to packing. Ruptured aneurysms recurred more frequently than unruptured aneurysms (P=0.0004). CONCLUSIONS: Matrix coils provided no better recanalization rates than those reported previously for bare platinum coils.
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https://hal-unilim.archives-ouvertes.fr/hal-00741278
Contributeur : Claire Douady <>
Soumis le : vendredi 12 octobre 2012 - 11:35:29
Dernière modification le : mercredi 11 décembre 2019 - 15:22:08

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Michel Piotin, Laurent Spelle, Charbel Mounayer, Carolina Loureiros, Askar Ghorbani, et al.. Intracranial aneurysms coiling with matrix: immediate results in 152 patients and midterm anatomic follow-up from 115 patients.. Stroke, American Heart Association, 2009, 40 (1), pp.321-323. ⟨10.1161/STROKEAHA.108.520866⟩. ⟨hal-00741278⟩

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