Table 3:

Demographic, clinical, and procedural characteristics of patients with conscious sedation failure requiring emergent intubation during neuroendovascular procedures

No.Age (yr)/SexType of ProcedureMedical HistoryASA Gradea,bGCS ScorebReason for ConversionTotal Procedural Time (min)mRS at Discharge
147/MEndovascular treatment of cerebral vasospasmHypertension413Movement791
256/MExtracranial carotid artery stent placementHypertension, hyperlipidemia, previous stroke214Movement682
345/MEndovascular treatment of acute ischemic strokeHypertension, hyperlipidemia313Vomiting (airway protection)1722
433/MEmbolization of ruptured aneurysmHypertension413Re-ruptured aneurysm1984
586/MIntracranial angioplasty and/or stent placementHypertension, diabetes mellitus, congestive heart failure215Movement4246
661/MEndovascular treatment of acute ischemic strokeHypertension, hyperlipidemia, coronary artery disease313Movement1155
750/FEmbolization of unruptured aneurysmNone115Movement3722
850/FEndovascular treatment of acute ischemic strokeNone115Movement622
946/MEndovascular treatment of cerebral vasospasmNone414Movement3454
  • Note:—ASA indicates American Society of Anesthesiologists; GCS, Glasgow Coma Scale; mRs, modified Rankin scale.

  • a American Society of Anesthesiologists grade: 1 = a healthy patient; 2 = patient with mild systemic disease; 3 = patient with severe systemic disease; 4 = patient with severe systemic disease that is a constant threat to life; 5 = moribund patient who is not expected to survive without the operation; 6 = declared brain-dead patient whose organs are being removed for donor purposes.

  • b Prior to procedure.