Bilateral Bispectral Index (BIS) Study "BIS"


Phase N/A Results N/A



  • Cross DT 3rd, Tirschwell DL, Clark MA, Tuden D, Derdeyn CP, Moran CJ, Dacey RG Jr. Mortality rates after subarachnoid hemorrhage: variations according to hospital case volume in 18 states. J Neurosurg. 2003 Nov;99(5):810-7. Pubmed ID:14609158
  • Broderick JP, Brott TG, Duldner JE, Tomsick T, Leach A. Initial and recurrent bleeding are the major causes of death following subarachnoid hemorrhage. Stroke. 1994 Jul;25(7):1342-7. Pubmed ID:8023347
  • Sehba FA, Bederson JB. Mechanisms of acute brain injury after subarachnoid hemorrhage. Neurol Res. 2006 Jun;28(4):381-98. Review. Pubmed ID:16759442
  • Heros RC, Zervas NT, Varsos V. Cerebral vasospasm after subarachnoid hemorrhage: an update. Ann Neurol. 1983 Dec;14(6):599-608. Pubmed ID:6651248
  • Claassen J, Hirsch LJ, Kreiter KT, Du EY, Connolly ES, Emerson RG, Mayer SA. Quantitative continuous EEG for detecting delayed cerebral ischemia in patients with poor-grade subarachnoid hemorrhage. Clin Neurophysiol. 2004 Dec;115(12):2699-710. Pubmed ID:15546778
  • Aaslid R, Huber P, Nornes H. Evaluation of cerebrovascular spasm with transcranial Doppler ultrasound. J Neurosurg. 1984 Jan;60(1):37-41. Pubmed ID:6689726
  • Lysakowski C, Walder B, Costanza MC, Tramèr MR. Transcranial Doppler versus angiography in patients with vasospasm due to a ruptured cerebral aneurysm: A systematic review. Stroke. 2001 Oct;32(10):2292-8. Pubmed ID:11588316
  • Claassen J, Bernardini GL, Kreiter K, Bates J, Du YE, Copeland D, Connolly ES, Mayer SA. Effect of cisternal and ventricular blood on risk of delayed cerebral ischemia after subarachnoid hemorrhage: the Fisher scale revisited. Stroke. 2001 Sep;32(9):2012-20. Pubmed ID:11546890
  • Frontera JA, Fernandez A, Schmidt JM, Claassen J, Wartenberg KE, Badjatia N, Connolly ES, Mayer SA. Defining vasospasm after subarachnoid hemorrhage: what is the most clinically relevant definition? Stroke. 2009 Jun;40(6):1963-8. Epub 2009 Apr 9. Pubmed ID:19359629
  • Rosenwasser RH, Armonda RA, Thomas JE, Benitez RP, Gannon PM, Harrop J. Therapeutic modalities for the management of cerebral vasospasm: timing of endovascular options. Neurosurgery. 1999 May;44(5):975-9; discussion 979-80. Pubmed ID:10232530
  • Sen I, Puri GD, Bapuraj JR. Early detection of cerebral vasospasm during a neurointerventional procedure using the BIS. Anaesth Intensive Care. 2005 Oct;33(5):691-2. No abstract available. Pubmed ID:16235500
  • Claassen J, Mayer SA, Hirsch LJ. Continuous EEG monitoring in patients with subarachnoid hemorrhage. J Clin Neurophysiol. 2005 Apr;22(2):92-8. Review. Pubmed ID:15805808
  • Towle VL, Bolaños J, Suarez D, Tan K, Grzeszczuk R, Levin DN, Cakmur R, Frank SA, Spire JP. The spatial location of EEG electrodes: locating the best-fitting sphere relative to cortical anatomy. Electroencephalogr Clin Neurophysiol. 1993 Jan;86(1):1-6. Pubmed ID:7678386
  • Vespa PM, Nuwer MR, Juhász C, Alexander M, Nenov V, Martin N, Becker DP. Early detection of vasospasm after acute subarachnoid hemorrhage using continuous EEG ICU monitoring. Electroencephalogr Clin Neurophysiol. 1997 Dec;103(6):607-15. Pubmed ID:9546487
  • Labar DR, Fisch BJ, Pedley TA, Fink ME, Solomon RA. Quantitative EEG monitoring for patients with subarachnoid hemorrhage. Electroencephalogr Clin Neurophysiol. 1991 May;78(5):325-32. Pubmed ID:1711451
  • Schultz A, Siedenberg M, Grouven U, Kneif T, Schultz B. Comparison of Narcotrend Index, Bispectral Index, spectral and entropy parameters during induction of propofol-remifentanil anaesthesia. J Clin Monit Comput. 2008 Apr;22(2):103-11. Epub 2008 Feb 21. Pubmed ID:18288579

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