J Korean Neurosurg Soc.  2016 May;59(3):269-275. 10.3340/jkns.2016.59.3.269.

Aneurysmal Neck Clipping as the Primary Treatment Option for Both Ruptured and Unruptured Middle Cerebral Artery Aneurysms

Affiliations
  • 1Department of Neurosurgery, Chungbuk National University Hospital, Chungbuk National University College of Medicine, Cheongju, Korea.
  • 2Department of Neurosurgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea. nsshin@catholic.ac.kr
  • 3Department of Neurosurgery, Gachon University Gil Medical Center, Incheon, Korea.
  • 4Department of Radiology, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea.

Abstract


OBJECTIVE
Although middle cerebral artery (MCA) aneurysms are less amenable to coil embolization, an increasing number of studies support favorable endovascular treatment for them. The purpose of this study is to compare the outcomes of two different treatments (surgery versus coiling) and evaluate the benefits of surgical clipping for MCA aneurysms.
METHODS
Here we retrospectively analyzed the outcomes of 178 ruptured and unruptured MCA aneurysms treated in patients between September 2008 and April 2012. Parameters assessing treatment outcomes include degree of aneurysm occlusion, presence of regrowth, clinical status, and complications.
RESULTS
Among 178 MCA aneurysms, 153 were treated surgically. After a mean follow-up of 12 months, the surgery group showed a clinically significant complete occlusion rate (98%) compared with the coiling group (56%) (p<0.001). Follow-up radiologic evaluation showed a higher regrowth rate (four of 16 cases) in the coiling group than in the surgery group (one of 49 cases) (p=0.003). There was no statistically significant difference in favorable clinical outcome rate between the two groups. The procedure-related permanent morbidity and mortality rates were 2% (three of 153 cases) in the surgery group and 0% (0 of 25 cases) in the coiling group.
CONCLUSION
Compared to endovascular treatment, surgical neck clipping for both ruptured and unruptured MCA aneurysms results in a significantly higher complete obliteration rate and less regrowth. Therefore, even in this endovascular era, we still recommend surgical clipping as the primary treatment option for MCA aneurysms rather than coil embolization.

Keyword

Intracranial aneurysm; Middle cerebral artery; Surgical clip; Coil embolization

MeSH Terms

Aneurysm*
Embolization, Therapeutic
Follow-Up Studies
Humans
Intracranial Aneurysm*
Middle Cerebral Artery*
Mortality
Neck*
Retrospective Studies
Surgical Instruments

Cited by  2 articles

Does Neurosurgical Clipping or Endovascular Coiling Lead to More Cases of Delayed Hydrocephalus in Patients with Subarachnoid Hemorrhage?
Tae Oong Eom, Eun Suk Park, Jun Bum Park, Soon Chan Kwon, Hong Bo Sim, In Uk Lyo, Min Soo Kim
J Cerebrovasc Endovasc Neurosurg. 2018;20(2):87-95.    doi: 10.7461/jcen.2018.20.2.87.

Feasibility and efficacy of coil embolization for middle cerebral artery aneurysms
Jae Young Choi, Chang Hwa Choi, Jun Kyeung Ko, Jae Il Lee, Chae Wook Huh, Tae Hong Lee
Yeungnam Univ J Med. 2019;36(3):208-218.    doi: 10.12701/yujm.2019.00192.


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