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KMID : 1005420180200020106
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Journal of Cerebrovascular and Endovascular Neurosurgery
2018 Volume.20 No. 2 p.106 ~ p.111
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Recurrence of Small Cerebral Aneurysms (< 4 mm) Treated Endovascularly Using Target® NanoTM Coils
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Kim Sung-Min
Lee Hyun-Gon
Choi Byung-Sam
Kim Jung-Soo
Lee Sung-Joon
Kim Hae-Yu
Kim Sung-Tae
Jeong Young-Gyun
Baek Jin-Wook
Jeong Hae-Woong
Jin Sung-Chul
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Abstract
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Objective : In our series, endovascular coiling with Target® NanoTM coils (Stryker Neurovascular, Fremont, CA, USA) with diameters of 1 or 1.5 mm exhibited favorable technical feasibility in the treatment of small cerebral aneurysms (< 4 mm). However, little is known about the recurrence of small cerebral aneurysms treated using Target® NanoTM coils. We investigated recurrence following the treatment of small cerebral aneurysms using Target® NanoTM coils.
Materials and Methods : Between January 2012 and November 2013, 143 patients with 148 small cerebral aneurysms (< 4 mm) were included our study. A total of 135 cerebral aneurysms (91.2%) were unruptured; 45 cerebral aneurysms (30.4%) were treated by endovascular coiling using Target® NanoTM coils. Follow-up radiological images were obtained for 132 cerebral aneurysms (89.2%) over a range of 3 to 58 months (mean, 34.3 months; standard deviation, 14.2).
Results : In the group treated with Target® NanoTM coils, radiological outcomes revealed complete occlusion in 33 (73.3%), residual necks in eight (17.8%), and residual sacs in four (8.9%) cases. Follow-up radiological outcomes revealed complete occlusion in 35 (77.8%) and residual necks in four (8.9%) cases that exhibited stable coil masses. In the group that was not treated with Target® NanoTM coils, radiological outcomes revealed complete occlusion in 69 (67%), residual necks in 18 (17.5%), and residual sacs in 16 (15.5%) cases. Follow-up radiological outcomes revealed complete occlusion in 87 (84.5%) and residual necks (5.8%) in six cases that exhibited stable coil masses. No significant differences were observed in the radiological outcomes or follow-up radiological outcomes between the two groups. No recurrences or retreatments occurred in our series.
Conclusion : Endovascular treatment using Target® NanoTM coils may be a robust treatment option for small cerebral aneurysms (< 4 mm).
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KEYWORD
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Rcurrence of small cerebral aneurysms coil embolization, Edovascular treatment, Drability of small cerebral aneurysm coil embolization, Target Nano coils
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