Table:

Summary of patients demonstrating changes in neurophysiological monitoring parameters

PatientAge (yrs) and SexDiagnosisProcedureEEGSSEPTcMEPImmediate Outcome (GOS)Long-Term Outcome (GOS)
163 FAnterior communicating artery aneurysmAnterior communicating artery aneurysm coilinga++45 (25 months)
255 FGrade 5 SAHRight posterior inferior cerebellar artery aneurysm coiling+21 (6 days)
356 FGrade 5 SAHAnterior communicating artery aneurysm coiling+21 (6 days)
469 FGrade 1 SAHRight anterior choroidal and posterior communicating artery aneurysms+45 (8 months)
534 FGrade 1 SAHAnterior communicating artery aneurysm coilinga+++45 (7 months)
662 FGrade 1 SAHAnterior communicating artery aneurysm coiling+53 (28 months)
752 MGrade 1 SAHLeft pericallosal artery aneurysm coiling+44 (5 months)
867 FGrade 3 SAHRight middle cerebral artery aneurysm coiling+35 (17 months)
953 MGrade 4 SAHDiagnostic angiogram+45 (5 weeks)
1071 FLeft paraclinoid region aneurysmPrecoiling stent placement+55 (14 months)
1157 FGrade 3 SAHAnterior communicating and right posterior communicating artery aneurysm coiling+35 (4 months)
  • Note:—“Grade” in SAH patients is Hunt-Hess grade. A change is indicated by a “+.”

  • a Changes were simultaneous.