References

  1. Abend, N. S., Dlugos, D. J., Hahn, C. D., Hirsch, L. J. & Herman, S. T. Use of EEG monitoring and management of non-convulsive seizures in critically ill patients: a survey of neurologists. Neurocrit Care 12, 382-389, doi:10.1007/s12028-010-9337-2 (2010).
  2. Amantini, A. et al. Neurophysiological monitoring in adult and pediatric intensive care. Minerva Anestesiol. 78, 1067- 1075 (2012).
  3. Belcastro, V. et al. Non-convulsive status epilepticus after ischemic stroke: a hospital-based stroke cohort study. J. Neurol. 261, 2136-2142, doi:10.1007/s00415-014-7471-z (2014).
  4. Cheng, S. Non-convulsive status epilepticus in the elderly. Epileptic Disord 16, 385-394, doi:10.1684/epd.2014.0709 (2014).
  5. Chung, J. M. Seizures in the acute stroke setting. Neurol. Res. 36, 403-406, doi:10.1179/1743132814Y.0000000352 (2014).
  6. Friedman, D., Claassen, J. & Hirsch, L. J. Continuous electroencephalogram monitoring in the intensive care unit. Anesth. Analg. 109, 506-523, doi:10.1213/ane.0b013e3181a9d8b5 (2009).
  7. Haffey, S., McKernan, A. & Pang, K. Non-convulsive status epilepticus: a profile of patients diagnosed within a tertiary referral centre. J. Neurol. Neurosurg. Psychiatry 75, 1043-1044 (2004).
  8. Husain, A. M., Horn, G. J. & Jacobson, M. P. Non-convulsive status epilepticus: usefulness of clinical features in selecting patients for urgent EEG. J. Neurol. Neurosurg. Psychiatry 74, 189-191 (2003).
  9. Kondziella, D. et al. Continuous EEG monitoring in aneurysmal subarachnoid hemorrhage: a systematic review. Neurocrit Care 22, 450-461, doi:10.1007/s12028-014-0068-7 (2015).
  10. Laccheo, I. et al. Non-convulsive status epilepticus and non-convulsive seizures in neurological ICU patients. Neurocrit Care 22, 202-211, doi:10.1007/s12028-014-0070-0 (2015).
  11. Lindgren, C., Nordh, E., Naredi, S. & Olivecrona, M. Frequency of non-convulsive seizures and non-convulsive status epilepticus in subarachnoid hemorrhage patients in need of controlled ventilation and sedation. Neurocrit Care 17, 367-373, doi:10.1007/s12028-012-9771-4 (2012).
  12. Meierkord, H. & Holtkamp, M. Non-convulsive status epilepticus in adults: clinical forms and treatment. Lancet Neurol 6, 329-339, doi:10.1016/S1474-4422(07)70074-1 (2007).
  13. Mesraoua, B. & Wieser, H. G. Non-convulsive seizures and non-convulsive status epilepticus monitoring in the intensive care unit. A real need for the Gulf Cooperation Council countries. Neurosciences (Riyadh) 14, 323-337 (2009).
  14. Scholtes, F. B., Renier, W. O. & Meinardi, H. Non-convulsive status epilepticus: causes, treatment, and outcome in 65 patients. J. Neurol. Neurosurg. Psychiatry 61, 93-95 (1996).
  15. Siddiqui, M. et al. Frequency of non convulsive status epilepticus in patients with impaired level of consciousness. J Pak Med Assoc 59, 296-298 (2009).
  16. Tomson, T., Svanborg, E. & Wedlund, J. E. Nonconvulsive status epilepticus: high incidence of complex partial status. Epilepsia 27, 276-285 (1986).
  17. Zehtabchi, S. et al. Prevalence of non-convulsive seizure and other electroencephalographic abnormalities in ED patients with altered mental status. Am. J. Emerg. Med. 31, 1578-1582, doi:10.1016/j.ajem.2013.08.002 (2013).
  18. DeLorenzo, R. J. et al. Persistent nonconvulsive status epilepticus after the control of convulsive status epilepticus. Epilepsia 39, 833-840 (1998).
  19. Vespa, P. M. et al. Increased incidence and impact of nonconvulsive and convulsive seizures after traumatic brain injury as detected by continuous electroencephalographic monitoring. J. Neurosurg. 91, 750-760, doi:10.3171/jns.1999.91.5.0750 (1999).
  20. Ronne-Engstrom, E. & Winkler, T. Continuous EEG monitoring in patients with traumatic brain injury reveals a high incidence of epileptiform activity. Acta Neurol. Scand. 114, 47-53, doi:10.1111/j.1600-0404.2006.00652.x (2006).
  21. Claassen, J. et al. Electrographic seizures and periodic discharges after intracerebral hemorrhage. Neurology 69, 1356-1365, doi:10.1212/01.wnl.0000281664.02615.6c (2007).
  22. Mecarelli, O. et al. EEG patterns and epileptic seizures in acute phase stroke. Cerebrovasc. Dis. 31, 191-198, doi:10.1159/000321872 (2011).
  23. Vespa, P. M. et al. Acute seizures after intracerebral hemorrhage: a factor in progressive midline shift and outcome. Neurology 60, 1441-1446 (2003).
  24. Legriel, S. et al. Early EEG monitoring for detecting postanoxic status epilepticus during therapeutic hypothermia: a pilot study. Neurocrit Care 11, 338-344, doi:10.1007/s12028-009-9246-4 (2009).
  25. Rittenberger, J. C., Popescu, A., Brenner, R. P., Guyette, F. X. & Callaway, C. W. Frequency and timing of nonconvulsive status epilepticus in comatose post-cardiac arrest subjects treated with hypothermia. Neurocrit Care 16, 114-122, doi:10.1007/s12028-011-9565-0 (2012).
  26. Rossetti, A. O. et al. Status epilepticus: an independent outcome predictor after cerebral anoxia. Neurology 69, 255- 260, doi:10.1212/01.wnl.0000265819.36639.e0 (2007).
  27. Rundgren, M., Rosen, I. & Friberg, H. Amplitude-integrated EEG (aEEG) predicts outcome after cardiac arrest and induced hypothermia. Intensive Care Med. 32, 836-842, doi:10.1007/s00134-006-0178-6 (2006).
  28. Flores-Cordero, J. M. et al. Acute community-acquired bacterial meningitis in adults admitted to the intensive care unit: clinical manifestations, management and prognostic factors. Intensive Care Med. 29, 1967-1973, doi:10.1007/s00134-003-1935-4 (2003).
  29. Zoons, E. et al. Seizures in adults with bacterial meningitis. Neurology 70, 2109-2115, doi:10.1212/01.wnl.0000288178.91614.5d (2008).
  30. Young, G. B., Jordan, K. G. & Doig, G. S. An assessment of nonconvulsive seizures in the intensive care unit using continuous EEG monitoring: an investigation of variables associated with mortality. Neurology 47, 83-89 (1996).
  31. Jirsch, J. & Hirsch, L. J. Nonconvulsive seizures: developing a rational approach to the diagnosis and management in the critically ill population. Clin. Neurophysiol. 118, 1660-1670, doi:10.1016/j.clinph.2006.11.312 (2007).
  32. Krumholz, A. et al. Complex partial status epilepticus accompanied by serious morbidity and mortality. Neurology 45, 1499-1504 (1995).
  33. Rabinowicz, A. L., Correale, J. D., Bracht, K. A., Smith, T. D. & DeGiorgio, C. M. Neuron-specific enolase is increased after nonconvulsive status epilepticus. Epilepsia 36, 475-479 (1995).
  34. Vespa, P. et al. Increase in extracellular glutamate caused by reduced cerebral perfusion pressure and seizures after human traumatic brain injury: a microdialysis study. J. Neurosurg. 89, 971-982, doi:10.3171/jns.1998.89.6.0971 (1998).
  35. Vespa, P. et al. Delayed increase in extracellular glycerol with post-traumatic electrographic epileptic activity: support for the theory that seizures induce secondary injury. Acta Neurochir Suppl 81, 355-357 (2002).
  36. Vespa, P. et al. Metabolic crisis occurs with seizures and periodic discharges after brain trauma. Ann. Neurol. 79, 579-590, doi:10.1002/ana.24606 (2016).
  37. Williams, A. J., Tortella, F. C., Lu, X. M., Moreton, J. E. & Hartings, J. A. Antiepileptic drug treatment of nonconvulsive seizures induced by experimental focal brain ischemia. J. Pharmacol. Exp. Ther. 311, 220-227, doi:10.1124/jpet.104.069146 (2004).
  38. Krsek, P. et al. Long-term behavioral and morphological consequences of nonconvulsive status epilepticus in rats. Epilepsy Behav 5, 180-191, doi:10.1016/j.yebeh.2003.11.032 (2004).
  39. Young, G. B. & Doig, G. S. Continuous EEG monitoring in comatose intensive care patients: epileptiform activity in etiologically distinct groups. Neurocrit Care 2, 5-10, doi:10.1385/NCC:2:1:005 (2005).
  40. Krumholz, A. Epidemiology and evidence for morbidity of nonconvulsive status epilepticus. J. Clin. Neurophysiol. 16, 314-322; discussion 353 (1999).
  41. Kaplan, P. W. Prognosis in nonconvulsive status epilepticus. Epileptic Disord 2, 185-193 (2000).
  42. Claassen, J., Mayer, S. A., Kowalski, R. G., Emerson, R. G. & Hirsch, L. J. Detection of electrographic seizures with continuous EEG monitoring in critically ill patients. Neurology 62, 1743-1748, doi:10.1212/01.wnl.0000125184.88797.62 (2004).
  43. Quigg, M., Shneker, B. & Domer, P. Current practice in administration and clinical criteria of emergent EEG. J. Clin. Neurophysiol. 18, 162-165 (2001).
  44. Kamousi, B., Grant, A. & Woo, R. in American Clinical Neurophysiology Society Meeting 2017 (2017).
  45. Gururangan, K., Razavi, B. & J., P. Diagnostic Utility of Eight-Channel EEG for Detecting Seizures and Seizure-Like Activity. CLINICAL NEUROPHY PRACTICE In Press (2017).
  46. Gururangan, K., Razavi, B. & Parvizi, J. Utility of electroencephalography: Experience from a U.S. tertiary care medical center. Clin. Neurophysiol. 127, 3335-3340, doi:10.1016/j.clinph.2016.08.013 (2016).
  47. Parvizi, J., Gururangan, K., Razavi, B. & Chafe, C. Detectig silent seizures by their sound. Epilepsia In Press (2018).
  48. Kamousi, B., Bachelder, B., Grant, A., Min, P. & Woo, R. in American Clinical Neurophysiology Society Meeting (2017).
  49. Hobbs, K., Krishnamohan, P., Legault. C. & Gururangan, K., Mlynash, M. in American Epilepsy Society Meeting 2017 (Washington DC, 2017).
  50. Guidelines for the Evaluation and Management of Status Epilepticus. Neurocritical Care. 2012 Aug;17(1):3-23.
  51. Parvizi, J., K. Gururangan, B. Razavi and C. Chafe (2017). Individuals without EEG training can detect subclinical seizures and seizure-like activity by listening to sonified EEG. American Epilepsy Society Meeting 2017. Washington DC.
  52. Data on file
  53. Data under review for publication; 353 EEG recordings from six (6) hospitals
  54. COVID-19 Recommendations of the American Clinical Neurophysiology Society — https://www.acns.org/practice/covid-19-resources