J Claassen

Summary

Affiliation: Columbia University
Country: USA

Publications

  1. pmc Nutritional support and brain tissue glucose metabolism in poor-grade SAH: a retrospective observational study
    J Michael Schmidt
    Columbia University, Department of Neurology, Milstein Hospital, 177 Fort Washington, Suite 8 300, New York, NY 10032, USA
    Crit Care 16:R15. 2012
  2. ncbi request reprint Continuous electroencephalographic monitoring in neurocritical care
    Jan Claassen
    Division of Critical Care Neurology, Columbia University, Neurological Institute, Box NI 1, 710 West 168th Street, New York, NY 10032, USA
    Curr Neurol Neurosci Rep 2:534-40. 2002
  3. ncbi request reprint Commentary on the Article of C. Woertgen, O. W. Ullrich, R. D. Rothoerl, A. Brawanski: Comparison of the Claassen and Fisher CT classification scale to predict ischemia after aneurysmatic SAH. Zentralbl Neurochir 2003; 64: 104-108
    J Claassen
    Division of Critical Care Neurology, Neurological Institute, Columbia University, New York, New York 10032, USA
    Zentralbl Neurochir 65:95-6; discussion 97. 2004
  4. ncbi request reprint Generalized convulsive status epilepticus after nontraumatic subarachnoid hemorrhage: the nationwide inpatient sample
    Jan Claassen
    Division of Stroke and Critical Care Neurology and Comprehensive Epilepsy Center, College of Physicians and Surgeons, Columbia University, New York, New York 10032, USA
    Neurosurgery 61:60-4; discussion 64-5. 2007
  5. ncbi request reprint Quantitative continuous EEG for detecting delayed cerebral ischemia in patients with poor-grade subarachnoid hemorrhage
    Jan Claassen
    The Division of Stroke and Critical Care Neurology, Department of Neurology, Neurological Institute, Columbia University, New York, NY 10032, USA
    Clin Neurophysiol 115:2699-710. 2004
  6. ncbi request reprint Electrographic seizures and periodic discharges after intracerebral hemorrhage
    J Claassen
    Division of Stroke and Critical Care Neurology, Comprehensive Epilepsy Center, Department of Neurology, Columbia University, College of Physicians and Surgeons, New York, NY, USA
    Neurology 69:1356-65. 2007
  7. ncbi request reprint Continuous EEG monitoring in patients with subarachnoid hemorrhage
    Jan Claassen
    Comprehensive Epilepsy Center, Department of Neurology, Columbia University, College of Physicians and Surgeons, New York, New York 10032, USA
    J Clin Neurophysiol 22:92-8. 2005
  8. ncbi request reprint Prognostic significance of continuous EEG monitoring in patients with poor-grade subarachnoid hemorrhage
    Jan Claassen
    Division of Stroke and Critical Care Neurology, Department of Neurology, Columbia University, College of Physicians and Surgeons, New York, NY 10032, USA
    Neurocrit Care 4:103-12. 2006
  9. doi request reprint How I treat patients with EEG patterns on the ictal-interictal continuum in the neuro ICU
    Jan Claassen
    Division of Neurocritical Care and Comprehensive Epilepsy Center, Department of Neurology, Columbia University, Milstein Hospital Building, 177 Fort Washington Avenue, Milstein 8 Center, New York, NY 10032, USA
    Neurocrit Care 11:437-44. 2009
  10. ncbi request reprint Rheumatoid leptomeningitis after heart transplantation
    Jan Claassen
    Division of Stroke and Critical Care Neurology, Department of Neurology, Columbia University, College of Physicians and Surgeons, New York, NY, USA
    Neurology 66:948-9. 2006

Collaborators

Detail Information

Publications68

  1. pmc Nutritional support and brain tissue glucose metabolism in poor-grade SAH: a retrospective observational study
    J Michael Schmidt
    Columbia University, Department of Neurology, Milstein Hospital, 177 Fort Washington, Suite 8 300, New York, NY 10032, USA
    Crit Care 16:R15. 2012
    ..We sought to determine the effect of nutritional support and insulin infusion therapy on serum and brain glucose levels and cerebral metabolic crisis after aneurysmal subarachnoid hemorrhage (SAH)...
  2. ncbi request reprint Continuous electroencephalographic monitoring in neurocritical care
    Jan Claassen
    Division of Critical Care Neurology, Columbia University, Neurological Institute, Box NI 1, 710 West 168th Street, New York, NY 10032, USA
    Curr Neurol Neurosci Rep 2:534-40. 2002
    ..New technologic developments include continuous digital video EEG, automated seizure-detection software, and user-friendly online quantitative EEG analysis...
  3. ncbi request reprint Commentary on the Article of C. Woertgen, O. W. Ullrich, R. D. Rothoerl, A. Brawanski: Comparison of the Claassen and Fisher CT classification scale to predict ischemia after aneurysmatic SAH. Zentralbl Neurochir 2003; 64: 104-108
    J Claassen
    Division of Critical Care Neurology, Neurological Institute, Columbia University, New York, New York 10032, USA
    Zentralbl Neurochir 65:95-6; discussion 97. 2004
  4. ncbi request reprint Generalized convulsive status epilepticus after nontraumatic subarachnoid hemorrhage: the nationwide inpatient sample
    Jan Claassen
    Division of Stroke and Critical Care Neurology and Comprehensive Epilepsy Center, College of Physicians and Surgeons, Columbia University, New York, New York 10032, USA
    Neurosurgery 61:60-4; discussion 64-5. 2007
    ..To identify the frequency of and impact on outcome of generalized convulsive status epilepticus (GCSE) among patients with nontraumatic subarachnoid hemorrhage (SAH)...
  5. ncbi request reprint Quantitative continuous EEG for detecting delayed cerebral ischemia in patients with poor-grade subarachnoid hemorrhage
    Jan Claassen
    The Division of Stroke and Critical Care Neurology, Department of Neurology, Neurological Institute, Columbia University, New York, NY 10032, USA
    Clin Neurophysiol 115:2699-710. 2004
    ..The purpose of this study was to identify quantitative EEG (qEEG) parameters that are most sensitive and specific for the detection of DCI in stuporous or comatose SAH patients...
  6. ncbi request reprint Electrographic seizures and periodic discharges after intracerebral hemorrhage
    J Claassen
    Division of Stroke and Critical Care Neurology, Comprehensive Epilepsy Center, Department of Neurology, Columbia University, College of Physicians and Surgeons, New York, NY, USA
    Neurology 69:1356-65. 2007
    ..To determine the frequency and significance of electrographic seizures and other EEG findings in patients with intracerebral hemorrhage (ICH)...
  7. ncbi request reprint Continuous EEG monitoring in patients with subarachnoid hemorrhage
    Jan Claassen
    Comprehensive Epilepsy Center, Department of Neurology, Columbia University, College of Physicians and Surgeons, New York, New York 10032, USA
    J Clin Neurophysiol 22:92-8. 2005
    ..CEEG findings may lead to therapeutic (e.g., antiepileptic medication, hypertensive therapy, angioplasty) or additional diagnostic interventions such as angiography, CT or MRI...
  8. ncbi request reprint Prognostic significance of continuous EEG monitoring in patients with poor-grade subarachnoid hemorrhage
    Jan Claassen
    Division of Stroke and Critical Care Neurology, Department of Neurology, Columbia University, College of Physicians and Surgeons, New York, NY 10032, USA
    Neurocrit Care 4:103-12. 2006
    ..The objective of this study was to determine if continuous electroencephalogram (cEEG) monitoring results are predictive of 3-month outcome in critically ill patients with SAH...
  9. doi request reprint How I treat patients with EEG patterns on the ictal-interictal continuum in the neuro ICU
    Jan Claassen
    Division of Neurocritical Care and Comprehensive Epilepsy Center, Department of Neurology, Columbia University, Milstein Hospital Building, 177 Fort Washington Avenue, Milstein 8 Center, New York, NY 10032, USA
    Neurocrit Care 11:437-44. 2009
    ..Ultimately it will be most important to replace the dichotomy of ictal versus non-ictal patterns by differentiating between harmful and non-harmful patterns...
  10. ncbi request reprint Rheumatoid leptomeningitis after heart transplantation
    Jan Claassen
    Division of Stroke and Critical Care Neurology, Department of Neurology, Columbia University, College of Physicians and Surgeons, New York, NY, USA
    Neurology 66:948-9. 2006
  11. ncbi request reprint Detection of electrographic seizures with continuous EEG monitoring in critically ill patients
    J Claassen
    Division of Critical Care Neurology, Department of Neurology, College of Physicians and Surgeons, Columbia University, New York 10032, USA
    Neurology 62:1743-8. 2004
    ..To identify patients most likely to have seizures documented on continuous EEG (cEEG) monitoring and patients who require more prolonged cEEG to record the first seizure...
  12. ncbi request reprint Effect of cisternal and ventricular blood on risk of delayed cerebral ischemia after subarachnoid hemorrhage: the Fisher scale revisited
    J Claassen
    Department of Neurology, School of Public Health, Columbia University College of Physicians and Surgeons, New York, NY, USA
    Stroke 32:2012-20. 2001
    ..We propose a new SAH rating scale that accounts for the independent predictive value of subarachnoid and ventricular blood for DCI...
  13. ncbi request reprint Predictors and clinical impact of epilepsy after subarachnoid hemorrhage
    J Claassen
    Division of Critical Care Neurology, The Comprehensive Epilepsy Center, Department of Neurology, College of Physicians and Surgeons, School of Public Health, Columbia University, New York, NY, USA
    Neurology 60:208-14. 2003
    ..To determine the frequency, predictors, and impact on outcome of epilepsy developing during the first year after subarachnoid hemorrhage (SAH)...
  14. ncbi request reprint Fever after subarachnoid hemorrhage: risk factors and impact on outcome
    A Fernandez
    Neurological Intensive Care Unit, Division of Stroke and Critical Care, Department of Neurology, College of Physicians and Surgeons, Columbia University, New York, NY, USA
    Neurology 68:1013-9. 2007
    ..To identify risk factors for refractory fever after subarachnoid hemorrhage (SAH), and to determine the impact of temperature elevation on outcome...
  15. ncbi request reprint Continuous EEG monitoring and midazolam infusion for refractory nonconvulsive status epilepticus
    J Claassen
    Department of Neurology, Division of Critical Care Neurology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
    Neurology 57:1036-42. 2001
    ..Titrating cIV-MDZ to burst suppression, more aggressive treatment with concurrent AED, or a longer period of initial treatment may reduce the high proportion of patients with RSE who relapse after cIV-MDZ is discontinued...
  16. doi request reprint Intracranial multimodal monitoring for acute brain injury: a single institution review of current practices
    R Morgan Stuart
    Department of Neurological Surgery, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
    Neurocrit Care 12:188-98. 2010
    ..Here we review our experience in a consecutive series of acutely brain injured patients who underwent multimodality monitoring...
  17. pmc Effect of rebleeding on the course and incidence of vasospasm after subarachnoid hemorrhage
    A S Lord
    Department of Neurology, Columbia University, New York, NY, USA
    Neurology 78:31-7. 2012
    ..Whereas numerous studies have demonstrated the risk factors associated with rebleeding, few data on complications of rebleeding, including its effect on the development of delayed cerebral ischemia (DCI), are available...
  18. ncbi request reprint Global cerebral edema after subarachnoid hemorrhage: frequency, predictors, and impact on outcome
    Jan Claassen
    Division of Critical Care Neurology, Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY, USA
    Stroke 33:1225-32. 2002
    ..Inflammatory or circulatory mechanisms have been postulated to explain this radiographic observation after SAH. We sought to determine the frequency, causes, and impact on outcome of early and delayed global cerebral edema after SAH...
  19. ncbi request reprint Impact of medical complications on outcome after subarachnoid hemorrhage
    Katja E Wartenberg
    Clinical Neuropsychology, New York Presbyterian Hospital, and Stroke and Critical Care, Columbia University, New York, NY, USA
    Crit Care Med 34:617-23; quiz 624. 2006
    ..Medical complications occur frequently after subarachnoid hemorrhage (SAH). Their impact on outcome remains poorly defined...
  20. doi request reprint Systemic glucose and brain energy metabolism after subarachnoid hemorrhage
    Raimund Helbok
    Division of Critical Care Neurology, Department of Neurology, Columbia University Medical Center, Milstein Hospital 8 Center, 177 Fort Washington Ave, New York, NY 10032, USA
    Neurocrit Care 12:317-23. 2010
    ..We sought to determine if MC and LPR elevations after subarachnoid hemorrhage (SAH) are associated with acute reductions in serum glucose...
  21. doi request reprint Continuous electroencephalogram monitoring in the intensive care unit
    Daniel Friedman
    Department of Neurology, Comprehensive Epilepsy Center, Columbia University, NewYork City, New York, USA
    Anesth Analg 109:506-23. 2009
    ..The exact role and cost-effectiveness of cEEG at the current time remains unclear, but we believe it has significant potential to improve neurologic outcomes in a variety of settings...
  22. doi request reprint Continuous electroencephalographic monitoring in critically ill patients with central nervous system infections
    Emmanuel Carrera
    Comprehensive Epilepsy Center, Columbia University Medical Center, 710 W 168th St, Box NI 135, New York, NY 10032, USA
    Arch Neurol 65:1612-8. 2008
    ..To determine the prevalence, predictors, and clinical significance of electrographic seizures (ESz) and other continuous electroencephalographic monitoring findings in critically ill patients with central nervous system infections...
  23. doi request reprint Spontaneous hyperventilation and brain tissue hypoxia in patients with severe brain injury
    Emmanuel Carrera
    Department of Neurology, Division of Neurocritical Care, Columbia University Medical Center, 177 Fort Washington Avenue, New York, NY 10032, USA
    J Neurol Neurosurg Psychiatry 81:793-7. 2010
    ..Our aim was to determine whether spontaneous reduction in end-tidal CO(2) (EtCO(2)) was associated with an increased in brain tissue hypoxia (BTH)...
  24. pmc Cardiac arrhythmias after subarachnoid hemorrhage: risk factors and impact on outcome
    Jennifer A Frontera
    Neurological Intensive Care Unit, Department of Neurosurgery, Mount Sinai School of Medicine, New York, NY 10029, USA
    Cerebrovasc Dis 26:71-8. 2008
    ..Serious cardiac arrhythmias have been described in approximately 5% of patients after subarachnoid hemorrhage (SAH). The aim of this study was to identify the frequency, risk factors and clinical impact of cardiac arrhythmia after SAH...
  25. ncbi request reprint Hyperglycemia after SAH: predictors, associated complications, and impact on outcome
    Jennifer A Frontera
    Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY, USA
    Stroke 37:199-203. 2006
    ..Hyperglycemia is common after subarachnoid hemorrhage (SAH). The extent to which prolonged hyperglycemia contributes to in-hospital complications and poor outcome after SAH is unknown...
  26. ncbi request reprint Nonconvulsive status epilepticus after subarachnoid hemorrhage
    Lyle J Dennis
    Division of Critical Care Neurology, Department of Neurology, College of Physicians and Surgeons, Columbia University, 710 West 168th Street, New York, NY 10032, USA
    Neurosurgery 51:1136-43; discussion 1144. 2002
    ..We sought to determine the frequency and clinical features of NCSE among comatose patients with SAH...
  27. ncbi request reprint Global and domain-specific cognitive impairment and outcome after subarachnoid hemorrhage
    S A Mayer
    Division of Critical Care Neurology, School of Public Health, Columbia University, New York, NY, USA
    Neurology 59:1750-8. 2002
    ..Cognitive dysfunction is the most common form of neurologic impairment after subarachnoid hemorrhage (SAH)...
  28. pmc Cerebral perfusion pressure thresholds for brain tissue hypoxia and metabolic crisis after poor-grade subarachnoid hemorrhage
    J Michael Schmidt
    Neurological Intensive Care Unit, Department of Neurology, Columbia University Medical Center, and Milstein Hospital, 177 Fort Washington, 8 300, New York, NY 10032, USA
    Stroke 42:1351-6. 2011
    ..To identify a minimally acceptable cerebral perfusion pressure threshold above which the risks of brain tissue hypoxia (BTH) and oxidative metabolic crisis are reduced for patients with subarachnoid hemorrhage (SAH)...
  29. ncbi request reprint The current state of treatment of status epilepticus
    Lawrence J Hirsch
    Comprehensive Epilepsy Center, Columbia University Neurological Institute, Box NI 135, 710 West 168th Street, New York, NY 10032, USA
    Curr Neurol Neurosci Rep 2:345-56. 2002
    ..This article reviews these issues, concentrating on recent advances and practical issues related to the clinical care of patients with status epilepticus...
  30. doi request reprint Transcranial Doppler for predicting delayed cerebral ischemia after subarachnoid hemorrhage
    Emmanuel Carrera
    Neurological Intensive Care Unit, Departments of Neurology and Neurosurgery, Columbia University, New York, New York 10032, USA
    Neurosurgery 65:316-23; discussion 323-4. 2009
    ..We sought to determine the prognostic utility of serial TCD examination after SAH...
  31. doi request reprint Intracortical electroencephalography in acute brain injury
    Allen Waziri
    Department of Neurological Surgery, Columbia University College of Physicians and Surgeons, New York, NY, USA
    Ann Neurol 66:366-77. 2009
    ..We hypothesized that bedside placement of an intracortical multicontact electrode would allow for improved monitoring of cortical potentials in critically ill neurological patients...
  32. doi request reprint Relationship between energy balance and complications after subarachnoid hemorrhage
    Neeraj Badjatia
    Departments of Neurology, Neurosurgery, and Pediatrics, Columbia University College of Physicians and Surgeons, New York, NY, USA
    JPEN J Parenter Enteral Nutr 34:64-9. 2010
    ..Subarachnoid hemorrhage patients are hypermetabolic and at risk for developing medical complications. A relationship was hypothesized between energy balance and complications following subarachnoid hemorrhage...
  33. pmc Cerebral inflammatory response and predictors of admission clinical grade after aneurysmal subarachnoid hemorrhage
    Khalid A Hanafy
    Department of Neurology, Columbia University College of Physicians and Surgeons, 630 West 168th Street, New York, NY 10032, USA
    J Clin Neurosci 17:22-5. 2010
    ..Strategies for mitigating the inflammatory response to aneurysmal rupture in the hyper-acute setting may improve the admission clinical grade, which may in turn improve outcomes...
  34. doi request reprint Clinical response to hypertensive hypervolemic therapy and outcome after subarachnoid hemorrhage
    Jennifer A Frontera
    Departments of Neurosurgery and Neurology, Neuroscience Intensive Care Unit, Mount Sinai School of Medicine, One Gustave Levy Place, Box 1136, New York, NY 10029, USA
    Neurosurgery 66:35-41; discussion 41. 2010
    ..Hypertensive hypervolemic therapy is widely used to treat symptomatic vasospasm after subarachnoid hemorrhage. Few data exist to support a relationship between early clinical response and mortality or functional outcome...
  35. ncbi request reprint Treatment of refractory status epilepticus with pentobarbital, propofol, or midazolam: a systematic review
    Jan Claassen
    Department of Neurology, Division of Critical Care Neurology, and The Comprehensive Epilepsy Center, Neurological Institute, Columbia University College of Physicians and Surgeons, New York, New York 10032, USA
    Epilepsia 43:146-53. 2002
    ..This systematic review compares the efficacy of midazolam (MDL), propofol (PRO), and pentobarbital (PTB) for terminating seizures and improving outcome in RSE patients...
  36. ncbi request reprint Refractory status epilepticus: frequency, risk factors, and impact on outcome
    Stephan A Mayer
    Division of Critical Care Neurology, Neurological Institute, 710 W 168th St, Unit 39, New York, NY 10032, USA
    Arch Neurol 59:205-10. 2002
    ..How often RSE occurs, risk factors that predispose to this condition, and the effect of failure to control seizures on clinical outcome are poorly defined...
  37. doi request reprint Impact of induced normothermia on outcome after subarachnoid hemorrhage: a case-control study
    Neeraj Badjatia
    Department of Neurology, Division of Neurocritical Care, Columbia University College of Physicians and Surgeons, New York, New York, USA
    Neurosurgery 66:696-700; discussion 700-1. 2010
    ..We sought to explore the potential impact of induced normothermia using advanced fever control (AFC) methods on outcome after SAH...
  38. doi request reprint Exacerbation of perihematomal edema and sterile meningitis with intraventricular administration of tissue plasminogen activator in patients with intracerebral hemorrhage
    Andrew F Ducruet
    Department of Neurological Surgery, College of Physicians and Surgeons, Columbia University, New York, New York, USA
    Neurosurgery 66:648-55. 2010
    ..However, recent experimental work has implicated tissue plasminogen activator (tPA) in the pathogenesis of cerebral edema...
  39. doi request reprint Anemia is associated with metabolic distress and brain tissue hypoxia after subarachnoid hemorrhage
    Pedro Kurtz
    Division of Critical Care Neurology, Department of Neurology, Columbia University, Milstein Hospital 8 Center, New York, NY 10032, USA
    Neurocrit Care 13:10-6. 2010
    ..The objective of this study is to assess whether there is an association between anemia and metabolic distress or brain tissue hypoxia in patients with subarachnoid hemorrhage...
  40. doi request reprint Seizures and CNS hemorrhage: spontaneous intracerebral and aneurysmal subarachnoid hemorrhage
    Emily Gilmore
    Division of Critical Care Neurology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
    Neurologist 16:165-75. 2010
    ..The deleterious effects of seizures on brain recovering from a recent injury have to be weighed against the deleterious effects of antiepileptic medications when making decisions on prophylaxis and treatment...
  41. doi request reprint Quantitative analysis of hemorrhage volume for predicting delayed cerebral ischemia after subarachnoid hemorrhage
    Sang Bae Ko
    Department of Neurology, Columbia University College of Physicians and Surgeons, Milstein Hospital Building 8 Center, 177 Fort Washington Avenue, New York, NY 10032, USA
    Stroke 42:669-74. 2011
    ..Quantification of hemorrhage on digitized images may be a more accurate method for predicting DCI than qualitative scales...
  42. doi request reprint Continuous EEG monitoring: is it ready for prime time?
    Pedro Kurtz
    Division of Neurocritical Care, Columbia University, Milstein Hospital, New York, New York 10032, USA
    Curr Opin Crit Care 15:99-109. 2009
    ..Continuous electroencephalography (cEEG) is being used more frequently in intensive care units to detect epileptic activity and ischemia. This review analyzes clinical applications and limitations of cEEG as a routine neuromonitoring tool...
  43. ncbi request reprint Predictors and clinical implications of shivering during therapeutic normothermia
    Neeraj Badjatia
    Department of Neurology, Columbia University College of Physicians and Surgeons, 710 W 168th Street, New York, NY 10032, USA
    Neurocrit Care 6:186-91. 2007
    ..Shivering during induced normothermia (IN) remains a therapeutic limitation. We investigated potential risk factors and clinical implications of shivering during IN...
  44. doi request reprint Focal motor seizures induced by alerting stimuli in critically ill patients
    Lawrence J Hirsch
    Department of Neurology, Comprehensive Epilepsy Center, Neurological Institute, Columbia University, College of Physicians and Surgeons, New York, New York 10032, USA
    Epilepsia 49:968-73. 2008
    ....
  45. ncbi request reprint Risk factors for continued cigarette use after subarachnoid hemorrhage
    Jennifer Ballard
    Division of Critical Care Neurology, Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY, USA
    Stroke 34:1859-63. 2003
    ..Cigarette smoking is a risk factor for the formation and rupture of intracranial aneurysms. Few studies have examined predictors of resumption of cigarette smoking after a first episode of subarachnoid hemorrhage (SAH)...
  46. ncbi request reprint Clinical trial of a novel surface cooling system for fever control in neurocritical care patients
    Stephan A Mayer
    Neurological Intensive Care Unit, Department of Neurology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA
    Crit Care Med 32:2508-15. 2004
    ..To compare the efficacy of a novel water-circulating surface cooling system with conventional measures for treating fever in neuro-intensive care unit patients...
  47. ncbi request reprint Stimulus-induced rhythmic, periodic, or ictal discharges (SIRPIDs): a common EEG phenomenon in the critically ill
    Lawrence J Hirsch
    Comprehensive Epilepsy Center Critical Care Division, Department of Neurology, Columbia University, New York, New York 10032, USA
    Epilepsia 45:109-23. 2004
    ..To describe an underrecognized EEG phenomenon in critically ill patients undergoing continuous EEG monitoring (cEEG). We named these EEG patterns stimulus-induced rhythmic, periodic, or ictal discharges (SIRPIDs)...
  48. ncbi request reprint Cerebrovascular reactivity and vasospasm after subarachnoid hemorrhage: a pilot study
    J A Frontera
    Division of Stroke and Neurocritical Care, Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY, USA
    Neurology 66:727-9. 2006
    ..011). Abnormal CO2R preceded the onset of vasospasm in 7 of 9 patients. Abnormal standard TCD testing was not associated with vasospasm...
  49. doi request reprint Defining vasospasm after subarachnoid hemorrhage: what is the most clinically relevant definition?
    Jennifer A Frontera
    Mount Sinai School of Medicine, Department of Neurosurgery, One Gustave Levy Place, Box 1136, New York, NY 10029, USA
    Stroke 40:1963-8. 2009
    ..Vasospasm is an important complication of subarachnoid hemorrhage, but is variably defined in the literature...
  50. ncbi request reprint Prediction of symptomatic vasospasm after subarachnoid hemorrhage: the modified fisher scale
    Jennifer A Frontera
    Department of Neurology, Neurological Intensive Care Unit, Columbia University, College of Physicians and Surgeons, New York, New York, USA
    Neurosurgery 59:21-7; discussion 21-7. 2006
    ..We developed a modification of the Fisher computed tomographic rating scale and compared it with the original Fisher scale to determine which scale best predicts symptomatic vasospasm after subarachnoid hemorrhage...
  51. ncbi request reprint Convulsive status epilepticus after ischemic stroke and intracerebral hemorrhage: frequency, predictors, and impact on outcome in a large administrative dataset
    Brian T Bateman
    Columbia Presbyterian Medical College for Physicians and Surgeons, Columbia University, New York, NY, USA
    Neurocrit Care 7:187-93. 2007
    ..We examined the occurrence of GCSE in acute ischemic stroke (AIS) and intracerebral hemorrhage (ICH) using a large discharge database...
  52. doi request reprint Continuous electroencephalography in the medical intensive care unit
    Mauro Oddo
    Department of Neurology, Division of Critical Care, Neurological Institute, Columbia University Medical Center, New York, New York, USA
    Crit Care Med 37:2051-6. 2009
    ..To examine predictors and the prognostic value of electrographic seizures (ESZs) and periodic epileptiform discharges (PEDs) in medical intensive care unit (MICU) patients without a primary acute neurologic condition...
  53. doi request reprint Cerebrovascular carbon dioxide reactivity and delayed cerebral ischemia after subarachnoid hemorrhage
    Emmanuel Carrera
    Division of Neurocritical Care, Department of Neurology, Columbia University Medical Center, New York, New York 10032, USA
    Arch Neurol 67:434-9. 2010
    ..To determine the predictors of impaired cerebrovascular reactivity (CVR) and the value of CVR in predicting delayed cerebral ischemia (DCI) after subarachnoid hemorrhage (SAH)...
  54. doi request reprint Transcranial Doppler ultrasound in the acute phase of aneurysmal subarachnoid hemorrhage
    Emmanuel Carrera
    Departments of Neurology and Neurosurgery, Neurological Intensive Care Unit, Columbia University, New York, N Y, USA
    Cerebrovasc Dis 27:579-84. 2009
    ..Angiographic studies suggest that acute vasospasm within 48 h of aneurysmal subarachnoid hemorrhage (SAH) predicts symptomatic vasospasm. However, the value of transcranial Doppler within 48 h of SAH is unknown...
  55. ncbi request reprint Cerebral infarction associated with acute subarachnoid hemorrhage
    J Michael Schmidt
    Neurological Intensive Care Unit, Division of Stroke and Critical Care, Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
    Neurocrit Care 7:10-7. 2007
    ..The frequency, causes, and clinical impact of acute infarction associated with the primary hemorrhage are poorly understood...
  56. ncbi request reprint Treatment of status epilepticus: a survey of neurologists
    Jan Claassen
    Division of Critical Care Neurology, Department of Neurology, Neurological Institute, Columbia University College of Physicians and Surgeons, 710 West 168th Street, Unit 39, New York, NY 10032, USA
    J Neurol Sci 211:37-41. 2003
    ..New antiepileptic drugs (AEDs) have provided alternatives to traditional treatment paradigms for status epilepticus (SE)...
  57. doi request reprint Frequency and clinical impact of asymptomatic cerebral infarction due to vasospasm after subarachnoid hemorrhage
    J Michael Schmidt
    Neurological Intensive Care Unit, Division of Neurocritical Care, Department of Neurology, College of Physicians and Surgeons, Columbia University, New York, New York 10032, USA
    J Neurosurg 109:1052-9. 2008
    ..The authors sought to determine frequency, risk factors, and impact on outcome of asymptomatic cerebral infarction due to vasospasm after subarachnoid hemorrhage (SAH)...
  58. doi request reprint Impact of nosocomial infectious complications after subarachnoid hemorrhage
    Jennifer A Frontera
    Department of Neurosurgery, Mount Sinai School of Medicine, New York, New York 10029, USA
    Neurosurgery 62:80-7; discussion 87. 2008
    ..The aim of this study is to quantify the prevalence, risk factors, and effect on the outcome of nosocomial infectious complications in patients with subarachnoid hemorrhage (SAH)...
  59. doi request reprint Resuscitation and critical care of poor-grade subarachnoid hemorrhage
    Ricardo J Komotar
    Department of Neurological Surgery, Columbia University, New York, New York 10032, USA
    Neurosurgery 64:397-410; discussion 410-1. 2009
    ....
  60. ncbi request reprint Predictors of functional disability and mortality after status epilepticus
    J Claassen
    Department of Neurology, Division of Critical Care Neurology, Neurological Institute, Columbia University College of Physicians and Surgeons, New York, NY, USA
    Neurology 58:139-42. 2002
    ..Increased length of hospitalization (OR = 1.04; 95% CI, 1.0 to 1.1) and acute symptomatic seizures (OR = 3.9; 95% CI, 1.0 to 14.7) were predictors of functional disability...
  61. ncbi request reprint Effect of acute physiologic derangements on outcome after subarachnoid hemorrhage
    Jan Claassen
    Division of Critical Care Neurology, Department of Neurology, College of Physicians and Surgeons, New York, NY, USA
    Crit Care Med 32:832-8. 2004
    ..To determine the effect that acute physiologic derangements have on outcome after subarachnoid hemorrhage (SAH) and to design a composite score summarizing these abnormalities...
  62. doi request reprint Effect of mannitol on brain metabolism and tissue oxygenation in severe haemorrhagic stroke
    Raimund Helbok
    Division of Neurocritical Care, Department of Neurology, Columbia University Medical Center, Milstein Hospital 8 300 Center, New York, NY 10032, USA
    J Neurol Neurosurg Psychiatry 82:378-83. 2011
    ..The authors examined if mannitol treatment of raised intracranial pressure will result in an improvement in brain metabolism together with the expected drop in intracranial pressure (ICP)...
  63. doi request reprint Global cerebral edema and brain metabolism after subarachnoid hemorrhage
    Raimund Helbok
    Division of Critical Care Neurology, Department of Neurology, Columbia University Medical Center, New York, NY 10032, USA
    Stroke 42:1534-9. 2011
    ..Global cerebral edema is common among patients with poor-grade subarachnoid hemorrhage and is associated with poor outcome. Currently no targeted therapy exists largely due to an incomplete understanding of the underlying mechanisms...
  64. ncbi request reprint Initial misdiagnosis and outcome after subarachnoid hemorrhage
    Robert G Kowalski
    Division of Stroke and Critical Care Neurology, Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY, USA
    JAMA 291:866-9. 2004
    ..Mortality and morbidity can be reduced if aneurysmal subarachnoid hemorrhage (SAH) is treated urgently...
  65. ncbi request reprint Hypertensive encephalopathy with prominent bulbar presentation
    Joshua Z Willey
    Department of Neurology, Neurological Institute, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
    Cerebrovasc Dis 21:210-2. 2006
  66. ncbi request reprint Frequency and predictors of nonconvulsive seizures during continuous electroencephalographic monitoring in critically ill children
    Nathalie Jette
    Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada
    Arch Neurol 63:1750-5. 2006
    ..To determine the incidence, predictors, and timing of nonconvulsive seizures (NCSz) during continuous electroencephalographic monitoring (cEEG) in critically ill children...
  67. ncbi request reprint Predictors of cognitive dysfunction after subarachnoid hemorrhage
    Kurt T Kreiter
    Stroke 33:200-8. 2002
    ..Although several clinical and radiographic findings have been implicated in the pathogenesis of cognitive dysfunction after SAH, few prospective studies have comprehensively and simultaneously evaluated these risk factors...