Recurrence of Small Cerebral Aneurysms (< 4 mm) Treated Endovascularly Using Target® NanoTM Coils

• Published in: Journal of cerebrovascular and endovascular neurosurgery pp. 106 - 111
• Main Authors: Sung Min Kim, Hyun Gon Lee, Byung Sam Choi, Jung Soo Kim, Sungjoon Lee, Hae Yu Kim, Sung Tae Kim, Young-Gyun Jeong, Jin Wook Baek, Hae Woong Jeong, Sung-Chul Jin
• Format: Journal Article
• Language: English
• Published: 대한뇌혈관외과학회 01.06.2018
• Subjects: 신경외과학
• ISSN: 2234-8565; 2287-3139
• DOI: 10.7461/jcen.2018.20.2.106

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). KCI Citation Count: 0