Impact of extracranial–Intracranial bypass on cognitive function in a patient with chronic cerebral ischemia

Extracranial–intracranial (EC-IC) arterial bypass surgery was developed to prevent subsequent stroke by improving hemodynamics distal to the occluded intracranial artery, but its utilization has been decreasing due to the development in medical treatment. However, EC-IC bypass surgery may be effective for arresting or reversing cognitive decline in patients with cerebral ischemia. A 69-year-old man with the left internal carotid artery occlusion that manifested as scattered cerebral infarction of the left hemisphere presented with dysarthria and transient right hemiparesis. Hemodynamic condition was impaired in the left side, and therefore, EC-IC bypass surgery was performed to prevent recurrence of cerebral infarction. Neuropsychological examination at 6 months after the surgery showed marked improvement as compared to the preoperative examination and there was no recurrence of stroke in the patient. EC-IC bypass may contribute to the improvement of cognitive function as well as the prevention of recurrence of cerebral infarction in patients with hemodynamic insufficiency, but there might be a threshold of hemodynamic impairment with respect to the reversibility of cognitive performance. Investigation of the target and timing can identify cases in which the cognitive function is improved by surgery.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Impact of extracranial–Intracranial bypass on cognitive function in a patient with chronic cerebral ischemia ; volume:16 ; number:01 ; year:2021 ; pages:212-216
Asian journal of neurosurgery ; 16, Heft 01 (2021), 212-216

Beteiligte Personen und Organisationen
Aono, Toshiya
Ono, Hideaki
Inoue, Tomohiro
Tanishima, Takeo
Tamura, Akira
Saito, Isamu

DOI
10.4103/ajns.AJNS_485_20
URN
urn:nbn:de:101:1-2023012008420850852220
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:24 MESZ

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Beteiligte

  • Aono, Toshiya
  • Ono, Hideaki
  • Inoue, Tomohiro
  • Tanishima, Takeo
  • Tamura, Akira
  • Saito, Isamu

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