Microsurgical Clipping and Bypass for Fusiform Middle Cerebral Artery Aneurysm: 2-Dimensional Operative Video

Nickalus R. Khan, Stephanie H. Chen, Jacques J. Morcos

Research output: Contribution to journalArticlepeer-review

Abstract

Fusiform middle cerebral artery (MCA) aneurysms that require treatment can often necessitate complex endovascular or microsurgical treatment. We present a case of a 25-yr-old female with an incidentally discovered left 14-mm fusiform MCA aneurysm incorporating the frontal MCA trunk origin in its dome. The location and anatomy were not favorable for endovascular treatment with flow diversion.  The patient was offered continued observation or microsurgical treatment. Direct clipping of this aneurysm was not possible. After a thorough discussion of the risks, benefits, indications, and natural history of the lesion, the patient desired to have the aneurysm treated given her young age, location, size of the aneurysm, and the significant clinical experience of the treating team in bypass surgery.  The patient underwent superficial temporal artery to frontal M2 (STA-FM2) direct bypass for flow replacement followed by microsurgical trapping and clip ligation. The patient was maintained on antiplatelet therapy preoperatively and postoperatively. The patient had a transient aphasia and mild right upper extremity weakness (4/5) in the immediate postoperative period, which fully recovered by the time of patient discharge. The case presentation, surgical anatomy, technique, and postoperative course and outcome are reviewed. The different strategies for bypass and clip ligation are reviewed with particular focus on the anatomic constraints for each bypass configuration. The outcomes of bypass surgery for MCA aneurysms are reviewed.1-7 The patient gave verbal consent for participating in the procedure, surgical video, and publication of their image.

Original languageEnglish (US)
Pages (from-to)E445-E446
JournalOperative neurosurgery (Hagerstown, Md.)
Volume21
Issue number5
DOIs
StatePublished - Oct 13 2021

Keywords

  • Aneurysm
  • Bypass
  • Clip ligation
  • Craniotomy
  • Middle cerebral
  • Vascular

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

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