Nerissa U Ko

Summary

Affiliation: University of California
Country: USA

Publications

  1. ncbi Endothelial nitric oxide synthase polymorphism (-786T->C) and increased risk of angiographic vasospasm after aneurysmal subarachnoid hemorrhage
    Nerissa U Ko
    Department of Neurology, University of California, San Francisco, USA
    Stroke 39:1103-8. 2008
  2. ncbi Common variants in interleukin-1-Beta gene are associated with intracranial hemorrhage and susceptibility to brain arteriovenous malformation
    Helen Kim
    Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California San Francisco, 1001 Potrero Avenue, San Francisco, CA 94110, USA
    Cerebrovasc Dis 27:176-82. 2009
  3. ncbi Association of tumor necrosis factor-alpha-238G>A and apolipoprotein E2 polymorphisms with intracranial hemorrhage after brain arteriovenous malformation treatment
    Achal S Achrol
    Center for Cerebrovascular Research and Department of Anesthesia and Perioperative Care, University of California, San Francisco, California 94110, USA
    Neurosurgery 61:731-9; discussion 740. 2007
  4. ncbi Visual grading system for vasospasm based on perfusion CT imaging: comparisons with conventional angiography and quantitative perfusion CT
    Max Wintermark
    Department of Radiology, University of California, San Francisco, CA 94143, USA
    Cerebrovasc Dis 26:163-70. 2008
  5. ncbi Ten-year detection rate of brain arteriovenous malformations in a large, multiethnic, defined population
    Rodney A Gabriel
    UCSF Department of Anesthesia and Perioperative Care, 1001 Potrero Ave, Room 3C 38, San Francisco, CA 94110, USA
    Stroke 41:21-6. 2010
  6. ncbi Racial/Ethnic differences in longitudinal risk of intracranial hemorrhage in brain arteriovenous malformation patients
    Helen Kim
    Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94115, USA
    Stroke 38:2430-7. 2007
  7. ncbi Cerebral blood flow changes after endovascular treatment of cerebrovascular stenoses
    Nerissa U Ko
    Department of Neurology, University of California, San Francisco 94110, USA
    AJNR Am J Neuroradiol 26:538-42. 2005
  8. ncbi Estimation of fusiform intracranial aneurysm growth by serial magnetic resonance imaging
    Bradley P Dispensa
    Department of Anesthesia and Perioperative Care and Center for Cerebrovascular Research, University of California San Francisco, San Francisco, California 94110, USA
    J Magn Reson Imaging 26:177-83. 2007
  9. ncbi Elevated BNP is associated with vasospasm-independent cerebral infarction following aneurysmal subarachnoid hemorrhage
    Pam R Taub
    Department of Medicine, Cardiology Division, University of California, San Diego, CA 94114, USA
    Neurocrit Care 15:13-8. 2011
  10. ncbi Apolipoprotein E epsilon 2 is associated with new hemorrhage risk in brain arteriovenous malformations
    Ludmila Pawlikowska
    The Cardiovascular Research Institute, University of California, San Francisco 94110, USA
    Neurosurgery 58:838-43; discussion 838-43. 2006

Research Grants

  1. Apolipoprotein E and Outcomes in Subarachnoid Hemorrhage
    Nerissa Ko; Fiscal Year: 2007

Collaborators

Detail Information

Publications14

  1. ncbi Endothelial nitric oxide synthase polymorphism (-786T->C) and increased risk of angiographic vasospasm after aneurysmal subarachnoid hemorrhage
    Nerissa U Ko
    Department of Neurology, University of California, San Francisco, USA
    Stroke 39:1103-8. 2008
    ..Decreased availability of nitric oxide (NO) may be crucial in its pathogenesis. We hypothesized that endothelial NO synthase (eNOS) polymorphisms may determine susceptibility to vasospasm in SAH patients...
  2. ncbi Common variants in interleukin-1-Beta gene are associated with intracranial hemorrhage and susceptibility to brain arteriovenous malformation
    Helen Kim
    Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California San Francisco, 1001 Potrero Avenue, San Francisco, CA 94110, USA
    Cerebrovasc Dis 27:176-82. 2009
    ..The aim of this study was to investigate associations between single nucleotide polymorphisms (SNPs) in IL-1beta and intracranial hemorrhage (ICH) in the natural course of brain arteriovenous malformation (BAVM) patients...
  3. ncbi Association of tumor necrosis factor-alpha-238G>A and apolipoprotein E2 polymorphisms with intracranial hemorrhage after brain arteriovenous malformation treatment
    Achal S Achrol
    Center for Cerebrovascular Research and Department of Anesthesia and Perioperative Care, University of California, San Francisco, California 94110, USA
    Neurosurgery 61:731-9; discussion 740. 2007
    ..We hypothesized that the risk of posttreatment ICH would also be greater in patients with brain arteriovenous malformations with these genotypes...
  4. ncbi Visual grading system for vasospasm based on perfusion CT imaging: comparisons with conventional angiography and quantitative perfusion CT
    Max Wintermark
    Department of Radiology, University of California, San Francisco, CA 94143, USA
    Cerebrovasc Dis 26:163-70. 2008
    ..The purpose of this study was to compare simple visual grading of perfusion CT (PCT) maps to a more quantitative, threshold-based interpretation of PCT parameters in the characterization of presence and severity of vasospasm...
  5. ncbi Ten-year detection rate of brain arteriovenous malformations in a large, multiethnic, defined population
    Rodney A Gabriel
    UCSF Department of Anesthesia and Perioperative Care, 1001 Potrero Ave, Room 3C 38, San Francisco, CA 94110, USA
    Stroke 41:21-6. 2010
    ....
  6. ncbi Racial/Ethnic differences in longitudinal risk of intracranial hemorrhage in brain arteriovenous malformation patients
    Helen Kim
    Center for Cerebrovascular Research, Department of Anesthesia and Perioperative Care, University of California, San Francisco, CA 94115, USA
    Stroke 38:2430-7. 2007
    ..We evaluated whether race/ethnicity was a risk factor for ICH in the natural course in a large, multiethnic cohort of patients with brain arteriovenous malformation followed longitudinally...
  7. ncbi Cerebral blood flow changes after endovascular treatment of cerebrovascular stenoses
    Nerissa U Ko
    Department of Neurology, University of California, San Francisco 94110, USA
    AJNR Am J Neuroradiol 26:538-42. 2005
    ..However, the increased CBF appeared to be unrelated to the degree of vascular stenosis, suggesting a relationship to availability of collateral flow pathways or a neurogenic influence...
  8. ncbi Estimation of fusiform intracranial aneurysm growth by serial magnetic resonance imaging
    Bradley P Dispensa
    Department of Anesthesia and Perioperative Care and Center for Cerebrovascular Research, University of California San Francisco, San Francisco, California 94110, USA
    J Magn Reson Imaging 26:177-83. 2007
    ..Intracranial aneurysm (IA) growth is associated with increased morbidity. We sought to establish a quantitative computational method based on contrast-enhanced MR angiography (CE-MRA) for estimating aneurysmal volume changes over time...
  9. ncbi Elevated BNP is associated with vasospasm-independent cerebral infarction following aneurysmal subarachnoid hemorrhage
    Pam R Taub
    Department of Medicine, Cardiology Division, University of California, San Diego, CA 94114, USA
    Neurocrit Care 15:13-8. 2011
    ..We sought to determine whether elevated levels of BNP are independently associated with radiographic cerebral infarction after SAH...
  10. ncbi Apolipoprotein E epsilon 2 is associated with new hemorrhage risk in brain arteriovenous malformations
    Ludmila Pawlikowska
    The Cardiovascular Research Institute, University of California, San Francisco 94110, USA
    Neurosurgery 58:838-43; discussion 838-43. 2006
    ..Identification of genetic variants associated with increased new ICH risk would facilitate risk stratification and guide therapeutic intervention...
  11. ncbi Magnetic resonance perfusion tracks 133Xe cerebral blood flow changes after carotid stenting
    Nerissa U Ko
    Department of Neurology, University of California, San Francisco, USA
    Stroke 36:676-8. 2005
    ..CONCLUSIONS: Bolus-tracking MR perfusion correlates with 133Xe-CBF in estimating postprocedural increases in blood flow but may underestimate the magnitude of the change with higher relative changes...
  12. ncbi Improvement in intensive care unit outcomes in patients with subarachnoid hemorrhage after initiation of neurointensivist co-management
    S Andrew Josephson
    Department of Neurology, University of California, San Francisco, California 94143, USA
    J Neurosurg 112:626-30. 2010
    ..No study to date has examined the role of neurointensivists specifically in subarachnoid hemorrhage (SAH) management. This study examined the use of a team-based neurointensivist co-management approach...
  13. ncbi Neurotoxicity of intra-arterial papaverine preserved with chlorobutanol used for the treatment of cerebral vasospasm after aneurysmal subarachnoid hemorrhage
    Wade S Smith
    Department of Neurology, University of California, San Francisco, Calif 94134 0114, USA
    Stroke 35:2518-22. 2004
    ..Papaverine is used to vasodilate cerebral arteries undergoing vasospasm from subarachnoid hemorrhage. However, papaverine inhibits cellular respiration in vitro and could cause neurotoxicity in humans...
  14. ncbi Accuracy of dynamic perfusion CT with deconvolution in detecting acute hemispheric stroke
    Max Wintermark
    Department of Radiology, Neuroradiology Section, University of California, San Francisco, USA
    AJNR Am J Neuroradiol 26:104-12. 2005
    ..2%, 91.8%, and 87.9% in showing the extent. CONCLUSION: Dynamic PCT maps are more accurate than nonenhanced CT in detecting hemispheric strokes. Despite limited spatial coverage, PCT is highly reliable to assess the stroke extent...

Research Grants2

  1. Apolipoprotein E and Outcomes in Subarachnoid Hemorrhage
    Nerissa Ko; Fiscal Year: 2007
    ..A program of didactic courses and mentoring in this project will build upon the candidate's clinical training, and allow her to develop into an independent clinical investigator in neurovascular neurology. ..