title: Use of a Yaşargil mirror as an adjunct to indocyanine green angiography to evaluate the patency of elusive posterior communicating arteries during aneurysm clipping: case report.
abstract: BACKGROUND
  Indocyanine green angiography (ICGA) has become a useful intraoperative tool during aneurysm surgery to determine parent, branching, and perforator vessel patency. Although extremely useful, ICGA is limited to the evaluation of vessels that are in direct view in the surgical field.
  
  
  METHODS
  We present 2 cases of patients who underwent a craniotomy for clipping of unruptured posterior communicating artery aneurysms. A Yaşargil movable mirror was used as an adjuvant to ICGA to visualize the ventromedial posterior communicating vessels after clip placement to determine vessel patency.
  
  
  CONCLUSIONS
  Although ICGA can be very useful during aneurysm surgery, it is limited to vessels directly visualized in the surgical field. A Yaşargil movable mirror can be used during ICGA to visualize elusive vessels, in these cases on the ventromedial surface of the internal carotid artery.
authors.affiliation: Louisiana State University Health Science Center, New Orleans, Louisiana 70112, USA. jwilson0306@yahoo.com
authors.forename: Jason
authors.initials: J
authors.lastname: Wilson
authors.forename: Ryan
authors.initials: R
authors.lastname: Screven
authors.forename: Jerome
authors.initials: J
authors.lastname: Volk
authors.forename: Troy
authors.initials: T
authors.lastname: Payner
mesh_terms: D002533:Cerebral Angiography / Q000295:instrumentation* / Q000379:methods; D004396:Coloring Agents; D005260:Female; D006801:Humans; D007208:Indocyanine Green; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging* / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D013525:Surgical Instruments
chemical_list: D004396:Coloring Agents; D007208:Indocyanine Green