title: Exacerbation of major artery aneurysms after revascularization in patients with moyamoya disease: two case reports.
abstract: The natural history of aneurysms of the major arteries after revascularization in moyamoya disease has yet to be documented. At our institute, we treated two patients with moyamoya disease-associated aneurysms involving major arteries of the posterior cerebral circulation. The aneurysms became enlarged at an early stage after revascularization, necessitating coil embolization. Although cerebral blood flow was improved in the anterior circulation, revascularization for these patients did not decrease hemodynamic stress in the posterior circulation and was not able to attenuate aneurysmal growth. Therefore, patients with moyamoya disease-associated aneurysms of the major arteries should be carefully monitored after revascularization.
authors.affiliation: Department of Neurosurgery, Tsukuba Medical Center Hospital.
authors.forename: Yoshiro
authors.initials: Y
authors.lastname: Ito
authors.forename: Yasunobu
authors.initials: Y
authors.lastname: Nakai
authors.forename: Hiroyoshi
authors.initials: H
authors.lastname: Kino
authors.forename: Takao
authors.initials: T
authors.lastname: Koiso
authors.forename: Kazuhiro
authors.initials: K
authors.lastname: Nakamura
authors.forename: Kazuya
authors.initials: K
authors.lastname: Uemura
authors.forename: Akira
authors.initials: A
authors.lastname: Matsumura
mesh_terms: D002533:Cerebral Angiography; D002548:Cerebral Revascularization; D018450:Disease Progression; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D002532:Intracranial Aneurysm / Q000175:diagnosis* / Q000601:surgery*; D008875:Middle Aged; D011183:Postoperative Complications / Q000175:diagnosis* / Q000601:surgery*; D012086:Reoperation