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Abstract

J Cerebrovasc Endovasc Neurosurg. 2018 20(2): 106-111
The Journal of Cerebrovascular and Endovascular Neurosurgery
      
 
Recurrence of Small Cerebral Aneurysms (< 4 mm) Treated Endovascularly Using Target NanoTM Coils
Sung Min Kim1, Hyun Gon Lee1, Byung Sam Choi1, Jung Soo Kim1, Sung Joon Lee1, Hae Yu Kim1, Sung Tae Kim2, Young Gyun Jeong2, Jin Wook Baek3, Hae Woong Jeong3, Sung-Chul Jin1
1Department of Neurosurgery, Inje University Haeundae Paik Hospital, Busan, Korea, 2Department of Neurosurgery, Inje University Busan Paik Hospital, Busan, Korea, 3Department of Radiology, Inje University Busan Paik Hospital, Busan, Korea

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).
 
Key words : Rcurrence of small cerebral aneurysms coil embolization, Edovascular treatment, Drability of small cerebral aneurysm coil embolization, Target Nano coils
 
 
    
 
 
 

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The Journal of Cerebrovascular and Endovascular Neurosurgery (JCEN), Department of Neurosurgery,
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