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| S A MayerSummaryAffiliation: Columbia University Country: USA Publications
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Publications
Nutritional support and brain tissue glucose metabolism in poor-grade SAH: a retrospective observational studyJ 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)...
Brain injury clinical trials: new agents or new statistics?Joshua Z Willey
Departments of Neurology and Neurosurgery, The Neurological Institute of New York, Columbia University Medical Center, Milstein Hospital Building, 177 Fort Washington Avenue, Suite 8 300, New York, NY 10032, USA
Crit Care 15:188. 2011..These techniques may soon become commonplace as critical care research increasingly focuses on patient-centered functional outcomes...
The effect of window rooms on critically ill patients with subarachnoid hemorrhage admitted to intensive careHannah Wunsch
Division of Critical Care, Department of Anesthesiology, and Department of Epidemiology, Columbia University, 622 West 168th Street, PH5 527D, New York, NY 10032, USA
Crit Care 15:R81. 2011..We hypothesized that receiving care in an intensive care unit (ICU) room with a window might improve outcomes for critically ill patients with acute brain injury...
Ethics roundtable: 'Open-ended ICU care: can we afford it?'David Crippen
Department of Critical Care Medicine, University of Pittsburgh Medical Center, 644a Saife Hall, 3550 Terrace Street, Pittsburgh, PA 15261, USA
Crit Care 14:222. 2010....
Clinical review: Critical care management of spontaneous intracerebral hemorrhageFred Rincon
Department of Medicine, Cooper University Hospital, The Robert Wood Johnson Medical School University of Medicine and Dentistry of New Jersey, Camden, NJ 08501, USA
Crit Care 12:237. 2008..Apart from management in a specialized stroke or neurological intensive care unit, no specific medical therapies have been shown to consistently improve outcome after intracerebral hemorrhage...
Safety and feasibility of recombinant factor VIIa for acute intracerebral hemorrhageStephan A Mayer
Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY, USA
Stroke 36:74-9. 2005..Activated recombinant factor VII (rFVIIa) promotes hemostasis at sites of vascular injury and may minimize hematoma growth after ICH...
Can a simple blood test quantify brain injury?Stephan A Mayer
Neurological Intensive Care Unit, Milstein Hospital Building, 177 Fort Washington Avenue, Suite 8 300 Center, New York, NY 10032, USA
Crit Care 13:166. 2009..Their study suggests that elevation of S-100B reflects the severity of the primary hypoxic-ischemic insult...
Quantification of lethargy in the neuro-ICU: the 60-Second TestS A Mayer
Division of Critical Care Neurology, College of Physicians and Surgeons, School of Public Health, Columbia University, New York, NY, USA
Neurology 61:543-5. 2003..The SST is sensitive to subtle alterations in LOC but, like the GCS, may have limitations as a monitoring tool in the neurocritical care setting...
Recombinant activated factor VII for acute intracerebral hemorrhageStephan A Mayer
Department of Neurology, Columbia University College of Physicians and Surgeons, New York, USA
N Engl J Med 352:777-85. 2005..We sought to determine whether recombinant activated factor VII (rFVIIa) can reduce hematoma growth after intracerebral hemorrhage...
Can a subset of intracerebral hemorrhage patients benefit from hemostatic therapy with recombinant activated factor VII?Stephan A Mayer
Department of Neurology and Neurosurgery, Columbia University, New York, NY, USA
Stroke 40:833-40. 2009..In this exploratory analysis, we hypothesized that earlier treatment and exclusion of patients with a poor prognosis at baseline might enhance the benefit of rFVIIa treatment...
Factor VIIa for ICH: behind the scenes of an academic-industry collaborative trialStephan A Mayer
Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
Int J Stroke 2:164-8. 2007
Treatment of intracerebral haemorrhageStephan A Mayer
Neurological Intensive Care Unit, Division of Stroke and Critical Care, Department of Neurology Columbia University, New York, NY 10032, USA
Lancet Neurol 4:662-72. 2005....
Efficacy and safety of recombinant activated factor VII for acute intracerebral hemorrhageStephan A Mayer
Department of Neurology, Columbia University College of Physicians and Surgeons, New York, USA
N Engl J Med 358:2127-37. 2008..We performed this phase 3 trial to confirm a previous study in which recombinant activated factor VII (rFVIIa) reduced growth of the hematoma and improved survival and functional outcomes...
Ultra-early hemostatic therapy for acute intracerebral hemorrhageStephan A Mayer
Neurological Intensive Care Unit, Columbia Presbyterian Medical Center, New York, NY, USA
Semin Hematol 43:S70-6. 2006..This was associated with a significant reduction (38%) in mortality, and improved functional outcomes among survivors. A phase III trial comparing 20 and 80 microg/kg rFVIIa with placebo is now in progress to confirm these results...
Advances in critical care and emergency medicine 2007Stephan A Mayer
Department of Neurology, Columbia University Medical Center, New York, NY, USA
Stroke 39:261-3. 2008
Recombinant activated factor VII for acute intracerebral hemorrhage: US phase IIA trialStephan A Mayer
Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY, USA
Neurocrit Care 4:206-14. 2006..We conducted this trial to evaluate the safety of activated recombinant factor VII (rFVIIa; NovoSeven) for preventing early hematoma growth in acute ICH...
Critical care and emergency medicineStephan A Mayer
Neurological Intensive Care Unit, Departments of Neurolgy and Neurosurgery, Columbia University Medical Center, New York, NY 10032, USA
Stroke 38:225-8. 2007
Recombinant activated factor VII for acute intracerebral hemorrhageStephan A Mayer
Neurological Intensive Care Unit, Neurological Institute, Columbia University Medical Center, New York, NY 10032, USA
Stroke 38:763-7. 2007..A large phase III trial (the FAST trial [Factor Seven for Acute Hemorrhagic Stroke Treatment]) is now in progress to confirm these findings...
Risk factors for continued cigarette use after subarachnoid hemorrhageJennifer 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)...
Intracerebral hemorrhage: natural history and rationale of ultra-early hemostatic therapyStephan A Mayer
Neurologic Intensive Care Unit, Columbia Presbyterian Medical Center, New York, NY 10032, USA
Intensive Care Med 28:S235-40. 2002....
Delirium from nicotine withdrawal in neuro-ICU patientsS A Mayer
Division of Critical Care Neurology, Department of Neurology, Columbia Presbyterian Medical Center and College of Physicians and Surgeons of Columbia University, New York, NY, USA
Neurology 57:551-3. 2001..These preliminary observations suggest that nicotine withdrawal may be an under-recognized cause of delirium in patients with acute brain injury...
Clinical practices, complications, and mortality in neurological patients with acute severe hypertension: the Studying the Treatment of Acute hyperTension registryStephan A Mayer
Columbia University College of Physicians and Surgeons, New York, NY, USA
Crit Care Med 39:2330-6. 2011..To determine the demographic and clinical features, hospital complications, and predictors of 90-day mortality in neurologic patients with acute severe hypertension...
Refractory status epilepticus: frequency, risk factors, and impact on outcomeStephan 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...
Asymmetry of intracranial hemodynamics as an indicator of mass effect in acute intracerebral hemorrhage. A transcranial Doppler studyS A Mayer
Department of Neurology, Columbia Presbyterian Medical Center, New York, NY, USA
Stroke 27:1788-92. 1996..The goal was to evaluate TCD as a noninvasive method for monitoring compartmentalized mass effect...
Withdrawal of life support in the neurological intensive care unitS A Mayer
Department of Neurology, Neurological Institute, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
Neurology 52:1602-9. 1999....
Myocardial injury and left ventricular performance after subarachnoid hemorrhageS A Mayer
Department of Neurology, Columbia Presbyterian Medical Center, New York, NY, USA
Stroke 30:780-6. 1999..It is not known whether cardiac injury of this type adversely affects cardiovascular hemodynamic performance...
Ultra-early hemostatic therapy for intracerebral hemorrhageStephan A Mayer
Division of Critical Care Neurology, Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY, USA
Stroke 34:224-9. 2003..Intracerebral hemorrhage (ICH) causes higher morbidity and mortality than other forms of stroke and has no proven effective treatment. Hematoma volume is a powerful predictor of outcome after ICH...
Perilesional blood flow and edema formation in acute intracerebral hemorrhage: a SPECT studyS A Mayer
Department of Neurology, Columbia Presbyterian Medical Center, New York, NY, USA
Stroke 29:1791-8. 1998..We sought to characterize alterations in perilesional blood flow that occur during the acute phase of ICH and to determine whether progressive enlargement of edema surrounding ICH is related to increased or decreased perfusion...
Global and domain-specific cognitive impairment and outcome after subarachnoid hemorrhageS 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)...
Multimodality monitoring for cerebral perfusion pressure optimization in comatose patients with intracerebral hemorrhageSang Bae Ko
Department of Neurology, Columbia University College of Physicians and Surgeons, 177 Fort Washington Ave, New York, NY 10032, USA
Stroke 42:3087-92. 2011..We sought to determine the feasibility of brain multimodality monitoring for optimizing CPP and potentially reducing secondary brain injury after intracerebral hemorrhage...
Effect of cisternal and ventricular blood on risk of delayed cerebral ischemia after subarachnoid hemorrhage: the Fisher scale revisitedJ 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...
Electrographic seizures and periodic discharges after intracerebral hemorrhageJ 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)...
Predictors and clinical impact of epilepsy after subarachnoid hemorrhageJ 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..Our findings indicate that focal pathology, rather than diffuse injury from hemorrhage, is the principal cause of epilepsy after SAH...
Systemic glucose and brain energy metabolism after subarachnoid hemorrhageRaimund 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...
Continuous EEG monitoring and midazolam infusion for refractory nonconvulsive status epilepticusJ 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...
Fever after subarachnoid hemorrhage: risk factors and impact on outcomeA 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...
Risk factors for fever in the neurologic intensive care unitChristopher Commichau
Division of Critical Care Neurology, Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY, USA
Neurology 60:837-41. 2003..Subarachnoid hemorrhage increases the risk of developing fever of all types...
Intracranial multimodal monitoring for acute brain injury: a single institution review of current practicesR 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...
Global cerebral edema after subarachnoid hemorrhage: frequency, predictors, and impact on outcomeJan 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..Critical care management strategies that minimize edema formation after SAH may improve outcome...
Effect of rebleeding on the course and incidence of vasospasm after subarachnoid hemorrhageA 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...
Detection of electrographic seizures with continuous EEG monitoring in critically ill patientsJ 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...
Hypothermia for the treatment of ischemic and hemorrhagic strokeGuillermo Linares
Division of Stroke, Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY, USA
Crit Care Med 37:S243-9. 2009..More research is clearly needed to bring us closer to the successful application of hypothermia in the treatment for stroke...
Impact of medical complications on outcome after subarachnoid hemorrhageKatja 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..Critical care strategies directed at maintaining normothermia, normoglycemia, and prevention of anemia may improve outcome after SAH...
Cardiac arrhythmias after subarachnoid hemorrhage: risk factors and impact on outcomeJennifer 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...
Impact of tight glycemic control on cerebral glucose metabolism after severe brain injury: a microdialysis studyMauro Oddo
Department of Neurology, Critical Care Division, Columbia University Medical Center, New York, NY, USA
Crit Care Med 36:3233-8. 2008..To analyze the effect of tight glycemic control with the use of intensive insulin therapy on cerebral glucose metabolism in patients with severe brain injury...
Frequency and clinical impact of asymptomatic cerebral infarction due to vasospasm after subarachnoid hemorrhageJ 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)...
Spontaneous hyperventilation and brain tissue hypoxia in patients with severe brain injuryEmmanuel 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)...
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...
Dynamics of intraventricular hemorrhage in patients with spontaneous intracerebral hemorrhage: risk factors, clinical impact, and effect of hemostatic therapy with recombinant activated factor VIIThorsten Steiner
Department of Neurology, Univesity of Heidelberg, Heidelberg, Germany
Neurosurgery 59:767-73; discussion 773-4. 2006..To evaluate predictors of intraventricular hemorrhage (IVH) and IVH growth, impact of IVH growth on outcome, and impact of recombinant activated factor VII (rFVIIa) in patients with intracerebral hemorrhage (ICH)...
External ventricular drainage response in poor grade aneurysmal subarachnoid hemorrhage: effect on preoperative grading and prognosisEvan R Ransom
Department of Neurological Surgery, Columbia University, College of Physicians and Surgeons, Neurological Institute of New York, 710 W 168th Street, Room 431, New York, NY 10032, USA
Neurocrit Care 6:174-80. 2007..The effect of EVD response on preoperative grade and prognosis is described...
Blood pressure management in patients with intracerebral and subarachnoid hemorrhageJ Mocco
Department of Neurological Surgery, Columbia University College of Physicians and Surgeons, New York, New York, USA
Neurosurg Clin N Am 17:25-40. 2006
Clinical response to hypertensive hypervolemic therapy and outcome after subarachnoid hemorrhageJennifer 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...
Transcranial Doppler for predicting delayed cerebral ischemia after subarachnoid hemorrhageEmmanuel 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...
Risk of thromboembolic events in controlled trials of rFVIIa in spontaneous intracerebral hemorrhageMichael N Diringer
Department of Neurology, Campus Box 8111, Washington University School of Medicine, 660 South Euclid Ave, St Louis, MO 63110, USA
Stroke 39:850-6. 2008..Despite low incidences of such events in rFVIIa-treated hemophiliacs, the frequency in older patients with more atherosclerosis and immobility has yet to be defined...
Continuous electroencephalographic monitoring in critically ill patients with central nervous system infectionsEmmanuel 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...
Hyperglycemia after SAH: predictors, associated complications, and impact on outcomeJennifer A Frontera
Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY, USA
Stroke 37:199-203. 2006..17 per mmol/L; 95% CI 1.07 to 1.28, P<0.001). CONCLUSIONS: Hyperglycemia after SAH is associated with serious hospital complications, increased intensive care unit length of stay, and an increased risk of death or severe disability...
Monocyte chemoattractant protein-1 predicts outcome and vasospasm following aneurysmal subarachnoid hemorrhageGrace H Kim
Department of Neurological Surgery, Columbia University, New York, New York 10032, USA
J Neurosurg 109:38-43. 2008..The authors hypothesized that MCP-1 would be found in increased concentrations in the blood and cerebrospinal fluid (CSF) of patients with ASAH and would correlate with both outcome and the occurrence of vasospasm...
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: 104-108J Claassen
Division of Critical Care Neurology, Neurological Institute, Columbia University, New York, New York 10032, USA
Zentralbl Neurochir 65:95-6; discussion 97. 2004
Impact of recombinant activated factor VII on health-related quality of life after intracerebral hemorrhageMichael N Diringer
Department of Neurology, Washington University School of Medicine, St Louis, MO 63110, USA
Cerebrovasc Dis 24:219-25. 2007..29%) and poor outcome (modified Rankin Scale, mRS, 4-6, 53 vs. 69%). This analysis was performed to determine the impact of rFVIIa on health-related quality of life (HRQoL) in those patients...
Cerebrovascular carbon dioxide reactivity and delayed cerebral ischemia after subarachnoid hemorrhageEmmanuel 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)...
Nonconvulsive status epilepticus after subarachnoid hemorrhageLyle 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..Routine postoperative cEEG monitoring of patients with SAH who are at high risk for NCSE, allowing earlier diagnosis and treatment, offers the best chance of improving the outcomes for patients with this disorder...
Medical complications after subarachnoid hemorrhage: new strategies for prevention and managementKatja E Wartenberg
Neurological Intensive Care Unit, Columbia-Presbyterian Medical Center, New York 10032, USA
Curr Opin Crit Care 12:78-84. 2006..SUMMARY: Clinical trials to investigate interventions targeted at preventing or treating common medical complications after subarachnoid hemorrhage are needed...
Cerebral vasospasm after subarachnoid hemorrhageNazli Janjua
Neurocritical Care, Department of Neurology, Neurological Intensive Care Unit, Columbia-Presbyterian Medical Center, Neurological Institute, New York, New York 10032, USA
Curr Opin Crit Care 9:113-9. 2003..Clinical trials are needed to evaluate the efficacy of these new techniques and to further define the optimal management of this often devastating complication...
Predictors of cognitive dysfunction after subarachnoid hemorrhageKurt T Kreiter
Stroke 33:200-8. 2002..Treatment strategies aimed at reducing neurological injury related to generalized brain swelling, infarction, and clot-related hemotoxicity hold the best promise for improving cognitive outcomes after SAH...
Cerebral abscess and thrombophilia in pregnancy. A case reportL V Baxi
Departments of Obstetrics and Gynecology, Neurology and Pathology, College of Physicians and Surgeons, Columbia University, Sloane Hospital for Women, New York Presbyterian Hospital, New York, New York, USA
J Reprod Med 46:606-8. 2001..Cerebral abscess in pregnancy is a rare event, with the etiology not well described. We present such a case in association with genetic thrombophilia...
Genetic determinants of cerebral vasospasm, delayed cerebral ischemia, and outcome after aneurysmal subarachnoid hemorrhageAndrew F Ducruet
Department of Neurological Surgery, Columbia University, 630 West 168th Street, Room no 5 454, New York, NY 10032, USA
J Cereb Blood Flow Metab 30:676-88. 2010..In addition, we highlight potential pitfalls in the interpretation of genetic association studies, and call for uniformity of design of larger multicenter studies in the future...
Intracortical electroencephalography in acute brain injuryAllen 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...
Renal dysfunction as an independent predictor of outcome after aneurysmal subarachnoid hemorrhage: a single-center cohort studyBrad E Zacharia
Department of Neurological Surgery, Columbia University, College of Physicians and Surgeons, New York, NY 10032, USA
Stroke 40:2375-81. 2009..We sought to determine the burden of acute kidney injury in patients with aneurysmal subarachnoid hemorrhage and whether this dysfunction affects outcome...
Treatment of massive cerebral infarctionDavid Palestrant
Neurological Institute, 710 West 168th Street, New York, NY 10032, USA
Curr Neurol Neurosci Rep 5:494-502. 2005..To accomplish this there is a growing need for focused specialists in the areas of neurointensive care and stroke...
Exacerbation of perihematomal edema and sterile meningitis with intraventricular administration of tissue plasminogen activator in patients with intracerebral hemorrhageAndrew 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...
Impact of induced normothermia on outcome after subarachnoid hemorrhage: a case-control studyNeeraj 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...
Brain interstitial fluid TNF-alpha after subarachnoid hemorrhageKhalid A Hanafy
Division of Critical Care Neurology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
J Neurol Sci 291:69-73. 2010....
Doppler ultrasonography screening of poor-grade subarachnoid hemorrhage patients increases the diagnosis of deep venous thrombosisWilliam J Mack
Department of Neurological Surgery, Columbia University College of Physicians and Surgeons, Columbia University Medical Center, 630 West 168th Street, New York, NY 10032, USA
Neurol Res 30:889-92. 2008..This study utilizes Doppler USG to examine the prevalence of DVT in a large population of aSAH patients and attempts to identify a high-risk subgroup within this cohort...
Effect of acute physiologic derangements on outcome after subarachnoid hemorrhageJan 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..The SAH Physiologic Derangement Score may prove useful for rapidly quantifying the severity of important physiologic derangements in acute SAH...
Impact of hospital-related factors on outcome after treatment of cerebral aneurysmsMitchell F Berman
Department of Anesthesiology, Columbia University College of Physicians and Surgeons, New York, NY 10032, USA
Stroke 34:2200-7. 2003..The goal of this study was to examine the impact of hospital characteristics on outcome after the treatment of ruptured and unruptured cerebral aneurysms...
Determinants of intracerebral hemorrhage growth: an exploratory analysisJoseph P Broderick
Department of Neurology, The Neuroscience Institute, University of Cincinnati Medical Center, Cincinnati, OH, USA
Stroke 38:1072-5. 2007..We report an exploratory analysis from a randomized study of recombinant activated factor VII (rFVIIa) in patients with intracerebral hemorrhage (ICH) examining potential factors associated with hemorrhage growth...
Predictors and clinical implications of shivering during therapeutic normothermiaNeeraj 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...
Potential mechanisms and clinical significance of global cerebral edema following aneurysmal subarachnoid hemorrhageJ Mocco
Department of Neurosurgery, Columbia University, New York, New York 10032, USA
Neurosurg Focus 22:E7. 2007..Further investigation is needed to gain a full understanding of edema development following SAH, with the hope that the knowledge can be used to influence treatment positively and improve outcome...
Outcome prediction with serum intercellular adhesion molecule-1 levels after aneurysmal subarachnoid hemorrhageWilliam J Mack
Department of Neurology and Neurological Surgery, Columbia University College of Physicians and Surgeons, New York, New York 10032, USA
J Neurosurg 96:71-5. 2002..05). CONCLUSIONS: These data demonstrate a correlation between soluble ICAM-1 levels and functional outcome following aneurysmal SAH that appears to be, at least in part, independent of the initial hemorrhage...
Cerebral perfusion pressure thresholds for brain tissue hypoxia and metabolic crisis after poor-grade subarachnoid hemorrhageJ 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)...
The impact of microsurgical fenestration of the lamina terminalis on shunt-dependent hydrocephalus and vasospasm after aneurysmal subarachnoid hemorrhageRicardo J Komotar
Department of Neurological Surgery, Columbia University, New York, New York 10032, USA
Neurosurgery 62:123-32; discussion 132-4. 2008..We reviewed a single-surgeon series to compare postsurgical outcomes of patients who underwent fenestration of the lamina terminalis against those who did not...
Far lateral suboccipital approach for the treatment of proximal posteroinferior cerebellar artery aneurysms: surgical results and long-term outcomeAnthony L D'Ambrosio
Department of Neurological Surgery, Columbia University, College of Physicians and Surgeons, New York, New York 10032, USA
Neurosurgery 55:39-50; discussion 50-4. 2004..We describe the perioperative course and long-term clinical outcomes obtained via a far lateral suboccipital approach in 20 consecutive proximal PICA aneurysms...
Quantitative analysis of hemorrhage volume for predicting delayed cerebral ischemia after subarachnoid hemorrhageSang 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...
Critical postcraniotomy cerebrospinal fluid hypovolemia: risk factors and outcome analysisRicardo J Komotar
Department of Neurosurgery, Columbia University, New York, New York 10032, USA
Neurosurgery 59:284-90; discussion 284-90. 2006..We sought to identify risk factors for critical CSF hypovolemia and determine this syndrome's effect on clinical outcome...
Effect of mannitol on brain metabolism and tissue oxygenation in severe haemorrhagic strokeRaimund 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)...
Continuous electroencephalographic monitoring in neurocritical careJan 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...
Predictors of global cognitive impairment 1 year after subarachnoid hemorrhageMellanie V Springer
Department of Neurology, Albert Einstein College of Medicine, Bronx, New York, USA
Neurosurgery 65:1043-50; discussion 1050-1. 2009..We sought to determine the frequency, risk factors, and impact on functional outcome and quality of life (QOL) of global cognitive impairment 1 year after subarachnoid hemorrhage...
Continuous EEG monitoring in patients with subarachnoid hemorrhageJan 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...
Cerebral inflammatory response and predictors of admission clinical grade after aneurysmal subarachnoid hemorrhageKhalid 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...
Anemia is associated with metabolic distress and brain tissue hypoxia after subarachnoid hemorrhagePedro 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...
Medical complications after subarachnoid hemorrhageKatja E Wartenberg
Department of Neurology, Neurologic Intensive Care Unit, Martin Luther University, Halle Wittenberg, Leipzig, Germany
Neurosurg Clin N Am 21:325-38. 2010..There are promising strategies to minimize these complications. Randomized controlled trials are needed to evaluate the risks and benefits of these and other medical management strategies after SAH...
Clinical trial of a novel surface cooling system for fever control in neurocritical care patientsStephan 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...
The incidence of heparin-induced thrombocytopenia Type II in patients with subarachnoid hemorrhage treated with heparin versus enoxaparinGrace H Kim
Department of Neurological Surgery, Columbia University, College of Physicians and Surgeons, New York, New York, USA
J Neurosurg 110:50-7. 2009..In this study, the authors investigated the effect of heparin compared with enoxaparin on the incidence of HIT II in patients with aSAH...
Impact of a protocol for acute antifibrinolytic therapy on aneurysm rebleeding after subarachnoid hemorrhageRobert M Starke
Department of Neurosurgery, Columbia University, 710 West 168th St, Room 431, New York, NY 10032, USA
Stroke 39:2617-21. 2008..Although studies have found that a decrease in rebleeding with long-term antifibrinolytic therapy is offset by an increase in ischemic deficits, more recent studies have indicated that early, short-term therapy may be beneficial...
Metabolic impact of shivering during therapeutic temperature modulation: the Bedside Shivering Assessment ScaleNeeraj Badjatia
Departments of Neurology, Columbia University College of Physicians and Surgeons, New York, NY, USA
Stroke 39:3242-7. 2008..We sought to validate a grading scale to assist in the monitoring and control of shivering...
Hyperosmolar agents in neurosurgical practice: the evolving role of hypertonic salineAlfred T Ogden
The Neurological Institute, Department of Neurological Surgery, Columbia University, New York, New York 10032, USA
Neurosurgery 57:207-15; discussion 207-15. 2005..Hypertonic saline is emerging as an alternative to mannitol. Early data suggest that indications for each agent may ultimately depend on ICP etiology...
Intensive care unit management of interventional neuroradiology patientsE Sander Connolly
Department of Neurological Surgery, Columbia University Medical Center and New York Presbyterian Hospital, 710 West 168th Street, Room 435, New York, NY 10032, USA
Neurosurg Clin N Am 16:541-5, vi. 2005..Having said this, there are some special considerations that require special mention when it comes to managing patients after catheter-based procedures...
Effect of prior statin use on functional outcome and delayed vasospasm after acute aneurysmal subarachnoid hemorrhage: a matched controlled cohort studyAugusto Parra
Department of Neurology, Division of Stroke and Critical Care Neurology, Columbia University College of Physicians and Surgeons, New York, New York 10032, USA
Neurosurgery 56:476-84; discussion 476-84. 2005..The effect of prior statin use on 14-day functional outcome and on prevention of vasospasm-induced delayed cerebral ischemia (DCI) or stroke during hospitalization was analyzed...
Prognostic significance of continuous EEG monitoring in patients with poor-grade subarachnoid hemorrhageJan 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...
Quantitative continuous EEG for detecting delayed cerebral ischemia in patients with poor-grade subarachnoid hemorrhageJan 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...
Herniation secondary to critical postcraniotomy cerebrospinal fluid hypovolemiaRicardo J Komotar
Department of Neurosurgery, Columbia University, New York, New York 10032, USA
Neurosurgery 57:286-92; discussion 286-92. 2005..This article describes the clinical features of brain sag after craniotomy in an attempt to increase recognition of this syndrome...
Research Grants
- New York-Presbyterian NETT ConsortiumStephan Mayer; Fiscal Year: 2007....
