title: Intraoperative assessment of STA-MCA bypass patency using near-infrared indocyanine green video-angiography: a preliminary study.
abstract: BACKGROUND
  Bypass patency is critical for patients undergoing superficial temporal artery-middle cerebral artery (STA-MCA) anastomosis. Near-infrared indocyanine green video-angiography (ICGA) is an excellent method to assess vessels during cerebrovascular surgery.
  
  
  OBJECTIVE
  The aim of the present study is to analyze the effectiveness of ICGA in patients undergoing STA-MCA anastomosis for moyamoya disease.
  
  
  METHODS
  This study was a retrospective review of case records and operation records of patients who underwent STA-MCA bypass for moyamoya disease at our institute. Concordance of ICGA with intraoperative micro-Doppler and postoperative angiography, whenever available, was assessed.
  
  
  RESULTS
  In all, 22 STA-MCA anastomoses were performed in 13 patients. ICGA was used to assess patency in 14 surgeries (10 patients). No patient required revision of anastomosis following ICGA. Postoperative angiography was done in five anastomoses (three patients) at three months follow-up and correlated well with ICGA findings in all cases.
  
  
  CONCLUSIONS
  ICGA is an effective technique to assess bypass patency during cerebrovascular surgery. Routine use of ICGA in cerebral bypass surgery improves graft patency and minimizes complications due to graft occlusion.
authors.affiliation: Department of Neurosurgery, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India.
authors.forename: Sudheer
authors.initials: S
authors.lastname: Ambekar
authors.forename: Arun
authors.initials: A
authors.lastname: Babu
authors.forename: Paritosh
authors.initials: P
authors.lastname: Pandey
authors.forename: Indira B
authors.initials: IB
authors.lastname: Devi
mesh_terms: D000293:Adolescent; D000328:Adult; D000714:Anastomosis, Surgical; D002548:Cerebral Revascularization / Q000379:methods*; D002648:Child; D002675:Child, Preschool; D001026:Coronary Artery Bypass / Q000379:methods; D005260:Female; D006801:Humans; D007208:Indocyanine Green; D008297:Male; D020768:Middle Cerebral Artery / Q000000981:diagnostic imaging / Q000601:surgery*; D016343:Monitoring, Intraoperative; D009072:Moyamoya Disease / Q000473:pathology / Q000601:surgery*; D011859:Radiography; D012189:Retrospective Studies; D018616:Ultrasonography, Doppler, Duplex; D014741:Video Recording / Q000379:methods*; D055815:Young Adult
chemical_list: D007208:Indocyanine Green