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Nerissa Ko, MD, MAS

Title(s)Professor, Neurology
SchoolSchool of Medicine
Phone415-353-8897
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    Other Positions
    Title(s)UCSF Weill Institute for Neurosciences


    Collapse Biography 
    Collapse Education and Training
    University of California, San Francisco, CA2017Diversity, Equity, and Inclusion Champion Training

    Collapse Overview 
    Collapse Overview
    Dr. Nerissa Ko is neurointensivist, a neurologist with specialized training in the care of patients in the intensive care unit with neurological diseases. She also has specialty training to care for patients with cerebrovascular diseases. Dr. Ko earned her medical degree at John A. Burns School of Medicine at the University of Hawaii, and completed a residency in neurology, followed by fellowships in neurocritical care and vascular neurology at UCSF. She is board certified in both vascular neurology and neurocritical care. In 2002, she joined the UCSF Neurovascular Service, where she is now assistant director and a principle attending at Moffitt-Long hospitals.

    Dr. Ko sees patients for consultation on an outpatient basis as well for stroke and complex vascular diseases such as brain aneurysms and arteriovenous malformations.

    Dr. Ko's research interests include:

    * Clinical outcome following subarachnoid hemorrhage
    * Cerebral blood flow measurement using radioactive Xenon
    * Quantitative perfusion imaging for cerebrovascular diseases

    Collapse Research 
    Collapse Research Activities and Funding
    eNOS polymorphisms and cerebral vasospasm after SAH
    NIH/NINDS K02NS060892Aug 15, 2008 - Jul 31, 2013
    Role: Principal Investigator
    Apolipoprotein E and Outcomes in Subarachnoid Hemorrhage
    NIH/NINDS K23NS044014Jun 1, 2003 - May 31, 2008
    Role: Principal Investigator
    General Clinical Research Center
    NIH/NCRR M01RR000079Dec 1, 1974 - Sep 29, 2006
    Role: Co-Investigator

    Collapse ORNG Applications 
    Collapse Clinical Trials
    Collapse Websites

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
    List All   |   Timeline
    1. Hocker S, Shah S, Vespa P, Provencio JJ, Calvillo E, Olson DM, Venkatasubba Rao CP, Hemphill JC, Helbok R, Human T, Kamel H, Madden LK, Nyquist P, Bentho O, O'Phelan K, Lewin JJ, Alexander S, Ziai W, Chou SH, Rincon F, McNett M, Ko N, Zink B, Rhoney D, Diringer MN, Stevens R, Robertson CS, Sampaio G, Shutter LA, Ling G, Rehman M, Mahmoud SH, Yeager S, Livesay S, Suarez JI. The Future of Neurocritical Care Research: Proceedings and Recommendations from the Fifth Neurocritical Care Research Network Conference. Neurocrit Care. 2020 Feb; 32(1):311-316. PMID: 31264070.
      View in: PubMed
    2. Liu X, Griffith M, Jang HJ, Ko N, Pelter MM, Abba J, Vuong M, Tran N, Bushman K, Hu X. Intracranial Pressure Monitoring via External Ventricular Drain: Are We Waiting Long Enough Before Recording the Real Value? J Neurosci Nurs. 2020 Feb; 52(1):37-42. PMID: 31899715.
      View in: PubMed
    3. Liu X, Vitt JR, Hetts SW, Gudelunas K, Ho N, Ko N, Hu X. Morphological changes of intracranial pressure quantifies vasodilatory effect of verapamil to treat cerebral vasospasm. J Neurointerv Surg. 2020 Jan 20. PMID: 31959633.
      View in: PubMed
    4. Chanhung Z. Lee, Pekka Talke, Nerissa U. Ko. Aneurysmal Subarachnoid Hemorrhage: Risk Assessment and Perioperative Complications. Essentials of Neurosurgical Anesthesia \u0026 Critical Care. 2020 Jan 1; 63-66.
      View in: Publisher Site
    5. Xu H, Stamova B, Ander BP, Waldau B, Jickling GC, Sharp FR, Ko NU. mRNA Expression Profiles from Whole Blood Associated with Vasospasm in Patients with Subarachnoid Hemorrhage. Neurocrit Care. 2019 Oct 08. PMID: 31595394.
      View in: PubMed
    6. Geocadin RG, Callaway CW, Fink EL, Golan E, Greer DM, Ko NU, Lang E, Licht DJ, Marino BS, McNair ND, Peberdy MA, Perman SM, Sims DB, Soar J, Sandroni C. Standards for Studies of Neurological Prognostication in Comatose Survivors of Cardiac Arrest: A Scientific Statement From the American Heart Association. Circulation. 2019 Aug 27; 140(9):e517-e542. PMID: 31291775.
      View in: PubMed
    7. Bijlenga P, Morita A, Ko NU, Mocco J, Morel S, Murayama Y, Wermer MJH, Brown RD. Common Data Elements for Subarachnoid Hemorrhage and Unruptured Intracranial Aneurysms: Recommendations from the Working Group on Subject Characteristics. Neurocrit Care. 2019 06; 30(Suppl 1):20-27. PMID: 31077079.
      View in: PubMed
    8. Frank R Sharp, Huichun Xu, Bradley P Ander, Boryana Stamova, Ben Waldau, Glen C Jickling, Nerissa Ko. Abstract 46: RNA Expression Profiles From Whole Blood Associated With Vasospasm in Patients With Subarachnoid Hemorrhage. Stroke. 2019 Feb 1; 50(Suppl_1).
      View in: Publisher Site
    9. Kimberly Yan, Nerissa U Ko, Steven Hetts, Adib A Abla, Michael T Lawton, Helen Kim. Abstract TP581: Maternal and Fetal Outcomes in Women With Brain Arteriovenous Malformation Rupture During Pregnancy. Stroke. 2019 Feb 1; 50(Suppl_1).
      View in: Publisher Site
    10. Roger Cheng, Karl Meisel, Nerissa Ko. Abstract TP540: Effects of Stimulant Use on the Temporal Course of Vasospasm in Aneurysmal Subarachnoid Hemorrhage. Stroke. 2019 Feb 1; 50(Suppl_1).
      View in: Publisher Site
    11. Liu X, Gadhoumi K, Xiao R, Tran N, Smielewski P, Czosnyka M, Hetts SW, Ko N, Hu X. Continuous monitoring of cerebrovascular reactivity through pulse transit time and intracranial pressure. Physiol Meas. 2019 01 23; 40(1):01LT01. PMID: 30577032.
      View in: PubMed
    12. Jeffrey Nelson, Nasrine Bendjilali, Shantel M Weinsheimer, Charles E McCulloch, Nerissa U Ko, Jonathan G Zaroff, Michael T Lawton, Ludmila Pawlikowska, Helen Kim. Abstract WP426: Does Intracerebral Hemorrhage in Brain Arteriovenous Malformation Share Genetic Risk Factors With Primary Intracerebral Hemorrhage?. Stroke. 2018 Jan 22; 49(Suppl_1).
      View in: Publisher Site
    13. Ryu J, Ko N, Hu X, Shadden SC. Numerical Investigation of Vasospasm Detection by Extracranial Blood Velocity Ratios. Cerebrovasc Dis. 2017; 43(5-6):214-222. PMID: 28241122.
      View in: PubMed
    14. Arroyo-Palacios J, Rudz M, Fidler R, Smith W, Ko N, Park S, Bai Y, Hu X. Characterization of Shape Differences Among ICP Pulses Predicts Outcome of External Ventricular Drainage Weaning Trial. Neurocrit Care. 2016 12; 25(3):424-433. PMID: 27106888.
      View in: PubMed
    15. van 't Hof FN, Ruigrok YM, Lee CH, Ripke S, Anderson G, de Andrade M, Baas AF, Blankensteijn JD, Böttinger EP, Bown MJ, Broderick J, Bijlenga P, Carrell DS, Crawford DC, Crosslin DR, Ebeling C, Eriksson JG, Fornage M, Foroud T, von Und Zu Fraunberg M, Friedrich CM, Gaál EI, Gottesman O, Guo DC, Harrison SC, Hernesniemi J, Hofman A, Inoue I, Jääskeläinen JE, Jones GT, Kiemeney LA, Kivisaari R, Ko N, Koskinen S, Kubo M, Kullo IJ, Kuivaniemi H, Kurki MI, Laakso A, Lai D, Leal SM, Lehto H, LeMaire SA, Low SK, Malinowski J, McCarty CA, Milewicz DM, Mosley TH, Nakamura Y, Nakaoka H, Niemelä M, Pacheco J, Peissig PL, Pera J, Rasmussen-Torvik L, Ritchie MD, Rivadeneira F, van Rij AM, Santos-Cortez RL, Saratzis A, Slowik A, Takahashi A, Tromp G, Uitterlinden AG, Verma SS, Vermeulen SH, Wang GT, Han B, Rinkel GJ, de Bakker PI. Shared Genetic Risk Factors of Intracranial, Abdominal, and Thoracic Aneurysms. J Am Heart Assoc. 2016 07 14; 5(7). PMID: 27418160.
      View in: PubMed
    16. Threlkeld ZD, Kottapally M, Aysenne A, Ko N. Continuous Qualitative Electroencephalography as a Noninvasive Neuromonitor. Neurohospitalist. 2016 Oct; 6(4):157-160. PMID: 27695597.
      View in: PubMed
    17. Zhu C, Haraldsson H, Tian B, Meisel K, Ko N, Lawton M, Grinstead J, Ahn S, Laub G, Hess C, Saloner D. High resolution imaging of the intracranial vessel wall at 3 and 7 T using 3D fast spin echo MRI. MAGMA. 2016 Jun; 29(3):559-70. PMID: 26946509.
      View in: PubMed
    18. Edwards NJ, Grill MF, Choi HA, Ko NU. Frequency and Risk Factors for Cerebral Arterial Disease in a HIV/AIDS Neuroimaging Cohort. Cerebrovasc Dis. 2016; 41(3-4):170-6. PMID: 26751784.
      View in: PubMed
    19. Chow FC, Boscardin WJ, Mills C, Ko N, Carroll C, Price RW, Deeks S, Sorond FA, Hsue PY. Cerebral vasoreactivity is impaired in treated, virally suppressed HIV-infected individuals. AIDS. 2016 Jan 02; 30(1):45-55. PMID: 26372478.
      View in: PubMed
    20. Smith WS, Browne JL, Ko NU. Cranial Accelerometry Can Detect Cerebral Vasospasm Caused by Subarachnoid Hemorrhage. Neurocrit Care. 2015 Dec; 23(3):364-9. PMID: 25761424.
      View in: PubMed
    21. Jorge Arroyo Palacios, Maryna Rudz, Richard Fidler, Wade Smith, Nerissa Ko, Marvin Bergsneider, Xiao Hu. Morphological changes in ICP pulse waveform as potential markers for early determination of external ventricular drain clamping trial outcome. Fluids and Barriers of the CNS. 2015 Dec 1; 12(Suppl 1):o3.
      View in: Publisher Site
    22. Farlow JL, Lin H, Sauerbeck L, Lai D, Koller DL, Pugh E, Hetrick K, Ling H, Kleinloog R, van der Vlies P, Deelen P, Swertz MA, Verweij BH, Regli L, Rinkel GJ, Ruigrok YM, Doheny K, Liu Y, Broderick J, Foroud T. Lessons learned from whole exome sequencing in multiplex families affected by a complex genetic disorder, intracranial aneurysm. PLoS One. 2015; 10(3):e0121104. PMID: 25803036.
      View in: PubMed
    23. Moftakhar P, Cooke DL, Fullerton HJ, Ko NU, Amans MR, Narvid JA, Dowd CF, Higashida RT, Halbach VV, Hetts SW. Extent of collateralization predicting symptomatic cerebral vasospasm among pediatric patients: correlations among angiography, transcranial Doppler ultrasonography, and clinical findings. J Neurosurg Pediatr. 2015 Mar; 15(3):282-90. PMID: 25555113.
      View in: PubMed
    24. Choi JC, Oh YH, Kim JG, Kim HJ, Kong MH, Paeng DG, Ko NU, Easton JD. Spontaneous echo-contrast in the internal jugular veins of patients with ischemic stroke. J Clin Ultrasound. 2015 Sep; 43(7):431-7. PMID: 25346199.
      View in: PubMed
    25. Foroud T, Lai D, Koller D, Van't Hof F, Kurki MI, Anderson CS, Brown RD, Connolly ES, Eriksson JG, Flaherty M, Fornage M, von Und Zu Fraunberg M, Gaál EI, Laakso A, Hernesniemi J, Huston J, Jääskeläinen JE, Kiemeney LA, Kivisaari R, Kleindorfer D, Ko N, Lehto H, Mackey J, Meissner I, Moomaw CJ, Mosley TH, Moskala M, Niemelä M, Palotie A, Pera J, Rinkel G, Ripke S, Rouleau G, Ruigrok Y, Sauerbeck L, Slowik A, Vermeulen SH, Woo D, Worrall BB, Broderick J. Genome-wide association study of intracranial aneurysm identifies a new association on chromosome 7. Stroke. 2014 Nov; 45(11):3194-9. PMID: 25256182.
      View in: PubMed
    26. Rutledge WC, Ko NU, Lawton MT, Kim H. Hemorrhage rates and risk factors in the natural history course of brain arteriovenous malformations. Transl Stroke Res. 2014 Oct; 5(5):538-42. PMID: 24930128.
      View in: PubMed
    27. Nerissa U. Ko. Chapter 10 Cardiac Manifestations of Acute Neurologic Lesions. Aminoff\u0027s Neurology and General Medicine. 2014 Jan 1; 183-198.
      View in: Publisher Site
    28. Smith A, Wu AH, Lynch KL, Ko N, Grenache DG. Multi-wavelength spectrophotometric analysis for detection of xanthochromia in cerebrospinal fluid and accuracy for the diagnosis of subarachnoid hemorrhage. Clin Chim Acta. 2013 Sep 23; 424:231-6. PMID: 23800427.
      View in: PubMed
    29. Moftakhar P, Hetts SW, Ko NU. Vascular myelopathies. Semin Neurol. 2012 Apr; 32(2):146-53. PMID: 22961189.
      View in: PubMed
    30. Foroud T, Koller DL, Lai D, Sauerbeck L, Anderson C, Ko N, Deka R, Mosley TH, Fornage M, Woo D, Moomaw CJ, Hornung R, Huston J, Meissner I, Bailey-Wilson JE, Langefeld C, Rouleau G, Connolly ES, Worrall BB, Kleindorfer D, Flaherty ML, Martini S, Mackey J, De Los Rios La Rosa F, Brown RD, Broderick JP. Genome-wide association study of intracranial aneurysms confirms role of Anril and SOX17 in disease risk. Stroke. 2012 Nov; 43(11):2846-52. PMID: 22961961.
      View in: PubMed
    31. Kishore S, Ko N, Soares BP, Higashida RT, Tong E, Bhogal S, Bredno J, Cheng SC, Wintermark M. Perfusion-CT assessment of blood-brain barrier permeability in patients with aneurysmal subarachnoid hemorrhage. J Neuroradiol. 2012 Dec; 39(5):317-25. PMID: 22197406.
      View in: PubMed
    32. Weinsheimer SM, Xu H, Achrol AS, Stamova B, McCulloch CE, Pawlikowska L, Tian Y, Ko NU, Lawton MT, Steinberg GK, Chang SD, Jickling G, Ander BP, Kim H, Sharp FR, Young WL. Gene expression profiling of blood in brain arteriovenous malformation patients. Transl Stroke Res. 2011 Dec 01; 2(4):575-87. PMID: 22184505.
      View in: PubMed
    33. Taub PR, Fields JD, Wu AH, Miss JC, Lawton MT, Smith WS, Young WL, Zaroff JG, Ko NU. Elevated BNP is associated with vasospasm-independent cerebral infarction following aneurysmal subarachnoid hemorrhage. Neurocrit Care. 2011 Aug; 15(1):13-8. PMID: 21479679.
      View in: PubMed
    34. Kamel H, Navi BB, Nakagawa K, Hemphill JC, Ko NU. Hypertonic saline versus mannitol for the treatment of elevated intracranial pressure: a meta-analysis of randomized clinical trials. Crit Care Med. 2011 Mar; 39(3):554-9. PMID: 21242790.
      View in: PubMed
    35. Johnson EC, West TW, Ko NU, Strober JB. A 41-year-old man with new headache and altered mental status. Neurohospitalist. 2011 Jan; 1(1):48-54. PMID: 23983837.
      View in: PubMed
    36. Jun P, Ko NU, English JD, Dowd CF, Halbach VV, Higashida RT, Lawton MT, Hetts SW. Endovascular treatment of medically refractory cerebral vasospasm following aneurysmal subarachnoid hemorrhage. AJNR Am J Neuroradiol. 2010 Nov; 31(10):1911-6. PMID: 20616179.
      View in: PubMed
    37. S Hetts, P Jun, N Ko, J English, C Dowd, R Higashida, V Halbach. E-056 Endovascular treatment of medically refractory cerebral vasospasm following aneurysmal subarachnoid hemorrhage. Journal of NeuroInterventional Surgery. 2010 Jul 1; 2(Suppl 1):a48.
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    38. Josephson SA, Douglas VC, Lawton MT, English JD, Smith WS, Ko NU. Improvement in intensive care unit outcomes in patients with subarachnoid hemorrhage after initiation of neurointensivist co-management. J Neurosurg. 2010 Mar; 112(3):626-30. PMID: 19731990.
      View in: PubMed
    39. Gabriel RA, Kim H, Sidney S, McCulloch CE, Singh V, Johnston SC, Ko NU, Achrol AS, Zaroff JG, Young WL. Ten-year detection rate of brain arteriovenous malformations in a large, multiethnic, defined population. Stroke. 2010 Jan; 41(1):21-6. PMID: 19926839.
      View in: PubMed
    40. Kim H, Hysi PG, Pawlikowska L, Poon A, Burchard EG, Zaroff JG, Sidney S, Ko NU, Achrol AS, Lawton MT, McCulloch CE, Kwok PY, Young WL. Common variants in interleukin-1-Beta gene are associated with intracranial hemorrhage and susceptibility to brain arteriovenous malformation. Cerebrovasc Dis. 2009; 27(2):176-82. PMID: 19092239.
      View in: PubMed
    41. Wintermark M, Dillon WP, Smith WS, Lau BC, Chaudhary S, Liu S, Yu M, Fitch M, Chien JD, Higashida RT, Ko NU. Visual grading system for vasospasm based on perfusion CT imaging: comparisons with conventional angiography and quantitative perfusion CT. Cerebrovasc Dis. 2008; 26(2):163-70. PMID: 18560220.
      View in: PubMed
    42. Ko NU, Rajendran P, Kim H, Rutkowski M, Pawlikowska L, Kwok PY, Higashida RT, Lawton MT, Smith WS, Zaroff JG, Young WL. Endothelial nitric oxide synthase polymorphism (-786T->C) and increased risk of angiographic vasospasm after aneurysmal subarachnoid hemorrhage. Stroke. 2008 Apr; 39(4):1103-8. PMID: 18309169.
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    43. Nerissa U. Ko, Jonathan G. Zaroff. Chapter 10 Cardiac Manifestations of Acute Neurological Lesions. Neurology and General Medicine. 2008 Jan 1; 185-200.
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    44. Chaudhary SR, Ko N, Dillon WP, Yu MB, Liu S, Criqui GI, Higashida RT, Smith WS, Wintermark M. Prospective evaluation of multidetector-row CT angiography for the diagnosis of vasospasm following subarachnoid hemorrhage: a comparison with digital subtraction angiography. Cerebrovasc Dis. 2008; 25(1-2):144-50. PMID: 18073468.
      View in: PubMed
    45. Achrol AS, Kim H, Pawlikowska L, Trudy Poon KY, McCulloch CE, Ko NU, Johnston SC, McDermott MW, Zaroff JG, Lawton MT, Kwok PY, Young WL. Association of tumor necrosis factor-alpha-238G>A and apolipoprotein E2 polymorphisms with intracranial hemorrhage after brain arteriovenous malformation treatment. Neurosurgery. 2007 Oct; 61(4):731-9; discussion 740. PMID: 17986934.
      View in: PubMed
    46. Kim H, Sidney S, McCulloch CE, Poon KY, Singh V, Johnston SC, Ko NU, Achrol AS, Lawton MT, Higashida RT, Young WL. Racial/Ethnic differences in longitudinal risk of intracranial hemorrhage in brain arteriovenous malformation patients. Stroke. 2007 Sep; 38(9):2430-7. PMID: 17673729.
      View in: PubMed
    47. Dispensa BP, Saloner DA, Acevedo-Bolton G, Achrol AS, Jou LD, McCulloch CE, Johnston SC, Higashida RT, Dowd CF, Halbach VV, Ko NU, Lawton MT, Martin AJ, Quinnine N, Young WL. Estimation of fusiform intracranial aneurysm growth by serial magnetic resonance imaging. J Magn Reson Imaging. 2007 Jul; 26(1):177-83. PMID: 17659544.
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    48. Zaroff JG, Pawlikowska L, Miss JC, Yarlagadda S, Ha C, Achrol A, Kwok PY, McCulloch CE, Lawton MT, Ko N, Smith W, Young WL. Adrenoceptor polymorphisms and the risk of cardiac injury and dysfunction after subarachnoid hemorrhage. Stroke. 2006 Jul; 37(7):1680-5. PMID: 16728691.
      View in: PubMed
    49. Pawlikowska L, Poon KY, Achrol AS, McCulloch CE, Ha C, Lum K, Zaroff JG, Ko NU, Johnston SC, Sidney S, Marchuk DA, Lawton MT, Kwok PY, Young WL. Apolipoprotein E epsilon 2 is associated with new hemorrhage risk in brain arteriovenous malformations. Neurosurgery. 2006 May; 58(5):838-43; discussion 838-43. PMID: 16639317.
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    50. Kothavale A, Banki NM, Kopelnik A, Yarlagadda S, Lawton MT, Ko N, Smith WS, Drew B, Foster E, Zaroff JG. Predictors of left ventricular regional wall motion abnormalities after subarachnoid hemorrhage. Neurocrit Care. 2006; 4(3):199-205. PMID: 16757824.
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    51. Yarlagadda S, Rajendran P, Miss JC, Banki NM, Kopelnik A, Wu AH, Ko N, Gelb AW, Lawton MT, Smith WS, Young WL, Zaroff JG. Cardiovascular predictors of in-patient mortality after subarachnoid hemorrhage. Neurocrit Care. 2006; 5(2):102-7. PMID: 17099255.
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    52. Wintermark M, Ko NU, Smith WS, Liu S, Higashida RT, Dillon WP. Vasospasm after subarachnoid hemorrhage: utility of perfusion CT and CT angiography on diagnosis and management. AJNR Am J Neuroradiol. 2006 Jan; 27(1):26-34. PMID: 16418351.
      View in: PubMed
    53. Fisher LA, Ko N, Miss J, Tung PP, Kopelnik A, Banki NM, Gardner D, Smith WS, Lawton MT, Zaroff JG. Hypernatremia predicts adverse cardiovascular and neurological outcomes after SAH. Neurocrit Care. 2006; 5(3):180-5. PMID: 17290085.
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    54. Tung PP, Olmsted E, Kopelnik A, Banki NM, Drew BJ, Ko N, Lawton MT, Smith W, Foster E, Young WL, Zaroff JG. Plasma B-type natriuretic peptide levels are associated with early cardiac dysfunction after subarachnoid hemorrhage. Stroke. 2005 Jul; 36(7):1567-9. PMID: 15947264.
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    55. Yu W, Smith WS, Singh V, Ko NU, Cullen SP, Dowd CF, Halbach VV, Higashida RT. Long-term outcome of endovascular stenting for symptomatic basilar artery stenosis. Neurology. 2005 Mar 22; 64(6):1055-7. PMID: 15781826.
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    56. Ko NU, Achrol AS, Chopra M, Saha M, Gupta D, Smith WS, Higashida RT, Young WL. Cerebral blood flow changes after endovascular treatment of cerebrovascular stenoses. AJNR Am J Neuroradiol. 2005 Mar; 26(3):538-42. PMID: 15760862.
      View in: PubMed
    57. Ko NU, Achrol AS, Martin AJ, Chopra M, Saloner DA, Higashida RT, Young WL. Magnetic resonance perfusion tracks 133Xe cerebral blood flow changes after carotid stenting. Stroke. 2005 Mar; 36(3):676-8. PMID: 15692113.
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    58. Wintermark M, Fischbein NJ, Smith WS, Ko NU, Quist M, Dillon WP. Accuracy of dynamic perfusion CT with deconvolution in detecting acute hemispheric stroke. AJNR Am J Neuroradiol. 2005 Jan; 26(1):104-12. PMID: 15661711.
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    59. Kopelnik A, Fisher L, Miss JC, Banki N, Tung P, Lawton MT, Ko N, Smith WS, Drew B, Foster E, Zaroff J. Prevalence and implications of diastolic dysfunction after subarachnoid hemorrhage. Neurocrit Care. 2005; 3(2):132-8. PMID: 16174882.
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    60. Smith WS, Dowd CF, Johnston SC, Ko NU, DeArmond SJ, Dillon WP, Setty D, Lawton MT, Young WL, Higashida RT, Halbach VV. Neurotoxicity of intra-arterial papaverine preserved with chlorobutanol used for the treatment of cerebral vasospasm after aneurysmal subarachnoid hemorrhage. Stroke. 2004 Nov; 35(11):2518-22. PMID: 15472097.
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    61. Wintermark M, Smith WS, Ko NU, Quist M, Schnyder P, Dillon WP. Dynamic perfusion CT: optimizing the temporal resolution and contrast volume for calculation of perfusion CT parameters in stroke patients. AJNR Am J Neuroradiol. 2004 May; 25(5):720-9. PMID: 15140710.
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    62. Tung P, Kopelnik A, Banki N, Ong K, Ko N, Lawton MT, Gress D, Drew B, Foster E, Parmley W, Zaroff J. Predictors of neurocardiogenic injury after subarachnoid hemorrhage. Stroke. 2004 Feb; 35(2):548-51. PMID: 14739408.
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    63. Ko NU, Johnston SC, Young WL, Singh V, Klatsky AL. Distinguishing intracerebral hemorrhages caused by arteriovenous malformations. Cerebrovasc Dis. 2003; 15(3):206-9. PMID: 12646781.
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    64. Nerissa U. Ko, J. Claude Hemphill. Brain Trauma, Overview. Encyclopedia of the Neurological Sciences. 2003 Jan 1; (J. Trauma271987):460-464.
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    65. Povee P. Tung, Alexander Kopelnik, Nader M. Banki, Kenneth C. Ong, Nerissa U. Ko, Michael T. Lawton, Daryl R. Gress, Barbara Drew, Elyse Foster, William W. Parmley, Jonathan G. Zaroff. The severity of brain injury and female gender predict myocardial necrosis after subarachnoid hemorrhage. Journal of the American College of Cardiology. 2002 Mar 1; 39:160.
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    66. Kim HS, Shibata Y, Ko N, Ikemoto N, Ishizuka Y, Murakami N, Sugimoto M, Kobayashi M, Wataya Y. Potent in vivo antimalarial activity of 3,15-di-O-acetylbruceolide against Plasmodium berghei infection in mice. Parasitol Int. 2000 Jan; 48(3):271-4. PMID: 11227768.
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    67. Pleasure SJ, Abosch A, Friedman J, Ko NU, Barbaro N, Dillon W, Fishman RA, Poncelet AN. Spontaneous intracranial hypotension resulting in stupor caused by diencephalic compression. Neurology. 1998 Jun; 50(6):1854-7. PMID: 9633740.
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