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Karen Orjuela, MD
Assistant Professor, Neurology

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Medical School:
  • MD, Universidad Nacional de Colombia. Bogota, Colombia (2005)
Graduate School :
  • MS, Medical University Of South Carolina (2019)
Internship:
  • Loyola University Medical Center (2011)
Fellowships:
  • Loyola University Medical Center, Vascular Neurology (2016)
Languages: English, Spanish, French
Department: Neurology

Professional Titles

  • Assistant Professor
  • Co-Director Diversity, Equity and Inclusion
  • Neurohospitalist Fellowship - Program Director

Recognition & Awards

  • Denver 5280 Vascular Neurology - Top Doctors, 5280 Magazine (2019)
  • Faculty Resident Teaching Award. Excellence in resident teaching, Department of Neurology. University of Colorado (2019)
  • Faculty Student Teaching Award. Excellence in student teaching, Department of Neurology. University of Colorado (2018)

Research Interests

Cryptogenic stroke, PFO-related strokes, stroke in the young, inherited cerebrovascular diseases, CADASIL

Teaching

  • Assistant Professor (2016)
    School of Medicine, Neurology
  • Program Director Neurohospitalist Fellowship (2021)
    School of Medicine, Neurology

Publications

  • Poisson SN, Leppert MH, Orjuela KD. Cryptogenic Stroke and PFO Closure: Does Sex Matter?. J Am Heart Assoc. 2023 Oct 3;12(19):e031857. PubMed PMID: 37776208
  • Matthews E, Schmitt B, Passeri M, Mizenko C, Orjuela K, Piquet A. AMPA Receptor Encephalitis in a Patient With Metastatic Breast Cancer Receiving Palbociclib: A Case Report. Neurol Neuroimmunol Neuroinflamm. 2022 Sep;9(5). PubMed PMID: 35794024
  • Poisson SN, Block KL, Orjuela KD. Implications of the National Institutes of Health Stroke Scale Cookie Theft Picture-A Closer Look. JAMA Neurol. 2022 Aug 1;79(8):734-735. PubMed PMID: 35696194
  • Matthews E, Schmitt B, Passeri M, Mizenko C, Orjuela K, Piquet A. AMPA Receptor Encephalitis in a Patient With Metastatic Breast Cancer Receiving Palbociclib: A Case Report. Neurol Neuroimmunol Neuroinflamm. 2022 Sep;9(5). PubMed PMID: 35794024
  • Poisson SN, Block KL, Orjuela KD. Implications of the National Institutes of Health Stroke Scale Cookie Theft Picture-A Closer Look. JAMA Neurol. 2022 Aug 1;79(8):734-735. PubMed PMID: 35696194
  • Graham E, Orjuela K, Poisson S, Biller J. Treatment challenges in idiopathic extracranial ICA vasospasm case report and review of the literature. eNeurologicalSci. 2021 Mar;22:100304. PubMed PMID: 33336087
  • Graham E, Orjuela K, Poisson S, Biller J. Treatment challenges in idiopathic extracranial ICA vasospasm case report and review of the literature. eNeurologicalSci. 2021 Mar;22:100304. PubMed PMID: 33336087
  • Graham E, Orjuela K, Poisson S, Biller J. Treatment challenges in idiopathic extracranial ICA vasospasm case report and review of the literature. eNeurologicalSci. 2021 Mar;22:100304. PubMed PMID: 33336087
  • Warrior L, Kim CY, Burdick DJ, Ackerman DJ, Bartolini L, Cagniart KR, Dangayach NS, Dawson ET, Orjuela KD, Gordon Perue GL, Cutsforth-Gregory JK, Bahouth MN, McClean JC 2nd, DeLuca GC. Leading with inclusion during the COVID-19 pandemic: Stronger together. Neurology. 2020 Sep 22;95(12):537-542. PubMed PMID: 32817189
  • Kammeyer RM, Orjuela KD. Rapidly Progressive Dementia and Temporal Lobe Atrophy in a Case of Nonketotic Hyperglycemic Hemichorea. Neurohospitalist. 2020 Jul;10(3):229-233. PubMed PMID: 32549949
  • Macchi ZA, Kleinschmidt-DeMasters BK, Orjuela KD, Pastula DM, Piquet AL, Baca CB. Glioblastoma as an autoimmune limbic encephalitis mimic: A case and review of the literature. J Neuroimmunol. 2020 Mar 7;342:577214. [Epub ahead of print] PubMed PMID: 32182452
  • Warrior L, Kim CY, Burdick DJ, Ackerman DJ, Bartolini L, Cagniart KR, Dangayach NS, Dawson ET, Orjuela KD, Gordon Perue GL, Cutsforth-Gregory JK, Bahouth MN, McClean JC 2nd, DeLuca GC. Leading with inclusion during the COVID-19 pandemic: Stronger together. Neurology. 2020 Sep 22;95(12):537-542. PubMed PMID: 32817189
  • Kammeyer RM, Orjuela KD. Rapidly Progressive Dementia and Temporal Lobe Atrophy in a Case of Nonketotic Hyperglycemic Hemichorea. Neurohospitalist. 2020 Jul;10(3):229-233. PubMed PMID: 32549949
  • Macchi ZA, Kleinschmidt-DeMasters BK, Orjuela KD, Pastula DM, Piquet AL, Baca CB. Glioblastoma as an autoimmune limbic encephalitis mimic: A case and review of the literature. J Neuroimmunol. 2020 Mar 7;342:577214. [Epub ahead of print] PubMed PMID: 32182452
  • Ralston MSA, Murray MBP, Vela-Duarte D, Orjuela KD, Pastula DM. Neuroterrorism Preparedness for the Neurohospitalist. Neurohospitalist. 2019 Jul;9(3):151-159. PubMed PMID: 31244972
  • Leppert MH, Poisson SN, Carroll JD, Thaler DE, Kim CH, Orjuela KD, Ho PM, Burke JF, Campbell JD. Cost-Effectiveness of Patent Foramen Ovale Closure Versus Medical Therapy for Secondary Stroke Prevention. Stroke. 2018 Jun;49(6):1443-1450. PubMed PMID: 29720435
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Professional Memberships

  • American Academy of Neurology, Member
  • American Heart Association, Member
  • Neurohospitalist Society, Board Member

Practice Locations

UCHealth Stroke and Brain Aneurysm Center - Anschutz Medical Campus
12401 E 17th Ave
Leprino Building, 3rd floor
Aurora, CO 80045
720-848-2080

UCHealth Neurosciences Center - Anschutz Medical Campus
1635 Aurora Ct
4th Floor
Aurora, CO 80045
720-848-2080

UCHealth Anschutz Inpatient Pavilion - Anschutz Medical Campus
12605 E. 16th Ave
Aurora, CO 80045
720-848-0000

UCHealth Anschutz Inpatient Pavilion 2 - Anschutz Medical Campus
12505 E. 16th Ave
Aurora, CO 80045
720-848-0000

Hospital Affiliation
  • University of Colorado Hospital

Specialty Information

Specialties
  • Neurology, Board Certification (2017)
  • Vascular Neurology, Board Certification (2018)
  • Master in Science Clinical Research, Specialized Training (2019)
Conditions & Treatments
  • Brain and Nervous System - Stroke
  • Brain and Nervous System

General Information

Medical Schools:
  • MD, Universidad Nacional de Colombia. Bogota, Colombia (2005)
Graduate Schools:
  • MS, Medical University Of South Carolina (2019)
Internships:
  • Loyola University Medical Center (2011)
Fellowships:
  • Loyola University Medical Center, Vascular Neurology (2016)
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Languages: English, Spanish, French
Department: Neurology
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