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Kevin B. Messacar

TitleAssociate Professor
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-PEDS
ORCID ORCID Icon0000-0001-5830-3491 Additional info

    Collapse Biography 
    Collapse awards and honors
    2017 - 2021Top Doctor: Pediatric Infectious Diseases, 5280 Magazine
    2021Young Investigator Award, Pediatric Infectious Disease Society
    2018Century Award, Children's Hospital Colorado Medical Staff
    2017Gary Way Award for Outstanding Teaching by a Faculty Member, University of Colorado School of Medicine, Department of Pediatrics
    2015 - 2016Research Scholars Award, Children's Hospital Colorado Research Institute
    2014Astute Clinican Award, Colorado Department of Public Health and Environment
    2013Fellow Teaching Award, University of Colorado School of Medicine, Department of Pediatrics
    2011Resident Teaching Award, University of Colorado School of Medicine
    2011Outstanding Resident of the Year, University of Colorado Hospital Neonatal Care Unit
    2009Outstanding Intern of the Year, University of Colorado Hospital Neonatal Care Unit

    Collapse Overview 
    Collapse overview
    I am a pediatric infectious disease physician and researcher focused on improving diagnostic tests for infectious diseases and better understanding central nervous system infections, such as meningitis, encephalitis, and acute flaccid myelitis.

    Collapse Research 
    Collapse research activities and funding
         (MESSACAR, KEVIN)Sep 1, 2024 - Sep 1, 2027
    Centers for Disease Control and Prevention
    Rectal Swab vs Stool for Enterovirus Surveillance: Collection, Testing and Laboratory Diagnosis (RECTAL) Study
    Role: Investigator
    U19AI181979     (CROWE, JAMES E)Aug 20, 2024 - Jul 31, 2027
    NIH
    Bunyavirus and Picornavirus Pandemic Pathogen Preparedness (BP4) Center
    Role: Co-Investigator
         (MESSACAR, KEVIN)Jul 1, 2021 - Dec 31, 2026
    National Institutes of Allergy and Infectious Diseases: Dale and Betty Bumpers Vaccine Research Center
    Pandemic Response Repository - Microbial and Immune Surveillance and Epidemiology (PREMISE) Pilot Study
    Role: Principal Investigator
    K23AI128069     (MESSACAR, KEVIN BRETT)Dec 12, 2016 - Nov 30, 2021
    NIH
    Implementation and Effectiveness of a Rapid Cerebrospinal Fluid Diagnostics Program for Children with Suspected Central Nervous System Infection
    Role: Principal Investigator

    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Ho EC, Olson KE, Butler M, Birkholz M, Miller K, MacBrayne CE, Jung S, Messacar K, Asturias EJ, Dominguez SR. Clinical impact of pleural fluid Streptococcus pneumoniae PCR testing in children with complicated pneumonia. Clin Infect Dis. 2024 Aug 29. PMID: 39207213.
      View in: PubMed
    2. Nguyen-Tran H, Spaulding AB, Messacar K, Vogt MR, Permaul P, Douek DC, Mittelman A, Thompson C, Grubbs S, Magana C, Hernandez ML. Recruitment and retention of pediatric participants for pandemic preparedness research: Experience from the PREMISE EV-D68 Pilot Study. Contemp Clin Trials Commun. 2024 Oct; 41:101351. PMID: 39252862.
      View in: PubMed
    3. Helfferich J, Fall A, Pardo CA, Jacobs BC, Messacar K. Acute flaccid myelitis in low- to middle-income countries: diagnosis and surveillance. Brain Commun. 2024; 6(4):fcae167. PMID: 39027410.
      View in: PubMed
    4. Messacar K, Matzinger S, Berg K, Weisbeck K, Butler M, Pysnack N, Nguyen-Tran H, Davizon ES, Bankers L, Jung SA, Birkholz M, Wheeler A, Dominguez SR. Multimodal Surveillance Model for Enterovirus D68 Respiratory Disease and Acute Flaccid Myelitis among Children in Colorado, USA, 2022. Emerg Infect Dis. 2024 Mar; 30(3):423-431. PMID: 38407198.
      View in: PubMed
    5. Park SW, Messacar K, Douek DC, Spaulding AB, Metcalf CJE, Grenfell BT. Predicting the impact of COVID-19 non-pharmaceutical intervention on short- and medium-term dynamics of enterovirus D68 in the US. Epidemics. 2024 Mar; 46:100736. PMID: 38118274.
      View in: PubMed
    6. Park SY, Coufal NG, Dominguez SR, Farnaes L, Messacar K, Goldman FD. Gaps in diagnosing suspected infection in immunocompromised children with cancer: A systematic review. Pediatr Blood Cancer. 2024 Feb; 71(2):e30794. PMID: 38059641.
      View in: PubMed
    7. Nguyen-Tran H, Thompson C, Butler M, Miller KR, Pyle L, Jung S, Rogers S, Ng TFF, Routh J, Dominguez SR, Messacar K. Duration of Enterovirus D68 RNA Shedding in the Upper Respiratory Tract and Transmission among Household Contacts, Colorado, USA. Emerg Infect Dis. 2023 11; 29(11):2315-2324. PMID: 37877582.
      View in: PubMed
    8. Ku TSN, Al Mohajer M, Newton JA, Wilson MH, Monsees E, Hayden MK, Messacar K, Kisgen JJ, Diekema DJ, Morgan DJ, Sifri CD, Vaughn VM. Improving antimicrobial use through better diagnosis: The relationship between diagnostic stewardship and antimicrobial stewardship. Infect Control Hosp Epidemiol. 2023 Dec; 44(12):1901-1908. PMID: 37665212.
      View in: PubMed
    9. Park SY, Chang EJ, Ledeboer N, Messacar K, Lindner MS, Venkatasubrahmanyam S, Wilber JC, Vaughn ML, Bercovici S, Perkins BA, Nolte FS. Plasma Microbial Cell-Free DNA Sequencing from over 15,000 Patients Identified a Broad Spectrum of Pathogens. J Clin Microbiol. 2023 08 23; 61(8):e0185522. PMID: 37439686.
      View in: PubMed
    10. Rao S, Armistead I, Messacar K, Alden NB, Schmoll E, Austin E, Dominguez SR. Shifting Epidemiology and Severity of Respiratory Syncytial Virus in Children During the COVID-19 Pandemic. JAMA Pediatr. 2023 07 01; 177(7):730-732. PMID: 37184852.
      View in: PubMed
    11. Nguyen-Tran H, Reno S, Mwangi E, Mentel M, Hengartner R, Dominguez SR, Messacar K, Jung SA. Qualitative detection of enterovirus D68 from PrimeStore? molecular transport medium: implications for home- and self-collection. Diagn Microbiol Infect Dis. 2023 Aug; 106(4):115976. PMID: 37267740.
      View in: PubMed
    12. Le Mar?chal M, Diaz-Arias LA, Beekmann SE, Polgreen P, Messacar K, Tunkel AR, Thakur KT, Venkatesan A. Perspectives on Diagnosis and Management of All-Cause Encephalitis: A National Survey of Adult Infectious Diseases Physicians. Open Forum Infect Dis. 2023 Apr; 10(4):ofad132. PMID: 37125234.
      View in: PubMed
    13. Boster JM, Dominguez SR, Messacar K, Adams M, Weinberg A, Black JO, Feldman AG. Acute Liver Failure in a Child With Adenovirus Detected by PCR in the Explanted Liver. Pediatrics. 2023 02 01; 151(2). PMID: 36691756.
      View in: PubMed
    14. Messacar K, Baker RE, Park SW, Nguyen-Tran H, Cataldi JR, Grenfell B. Preparing for uncertainty: endemic paediatric viral illnesses after COVID-19 pandemic disruption. Lancet. 2022 11 12; 400(10364):1663-1665. PMID: 35843260.
      View in: PubMed
    15. Nguyen-Tran H, Messacar K. Preventing enterovirus A71 disease: another promising vaccine for children. Lancet. 2022 04 30; 399(10336):1671-1673. PMID: 35427482.
      View in: PubMed
    16. Messacar K, Palmer C, Gregoire L, Elliott A, Ackley E, Perraillon MC, Tyler KL, Dominguez SR. Clinical and Financial Impact of a Diagnostic Stewardship Program for Children with Suspected Central Nervous System Infection. J Pediatr. 2022 05; 244:161-168.e1. PMID: 35150729.
      View in: PubMed
    17. Nguyen-Tran H, Park SW, Messacar K, Dominguez SR, Vogt MR, Permar S, Permaul P, Hernandez M, Douek DC, McDermott AB, Metcalf CJE, Grenfell B, Spaulding AB. Enterovirus D68: a test case for the use of immunological surveillance to develop tools to mitigate the pandemic potential of emerging pathogens. Lancet Microbe. 2022 02; 3(2):e83-e85. PMID: 35036969.
      View in: PubMed
    18. Graff K, Dominguez SR, Messacar K. Metagenomic Next-Generation Sequencing for Diagnosis of Pediatric Meningitis and Encephalitis: A Review. J Pediatric Infect Dis Soc. 2021 Dec 24; 10(Supplement_4):S78-S87. PMID: 34951470.
      View in: PubMed
    19. Schubert RD, Hawes IA, Ramachandran PS, Ramesh A, Crawford ED, Pak JE, Wu W, Cheung CK, O'Donovan BD, Tato CM, Lyden A, Tan M, Sit R, Sowa GM, Sample HA, Zorn KC, Banerji D, Khan LM, Bove R, Hauser SL, Gelfand AA, Johnson-Kerner BL, Nash K, Krishnamoorthy KS, Chitnis T, Ding JZ, McMillan HJ, Chiu CY, Briggs B, Glaser CA, Yen C, Chu V, Wadford DA, Dominguez SR, Ng TFF, Marine RL, Lopez AS, Nix WA, Soldatos A, Gorman MP, Benson L, Messacar K, Konopka-Anstadt JL, Oberste MS, DeRisi JL, Wilson MR. Author Correction: Pan-viral serology implicates enteroviruses in acute flaccid myelitis. Nat Med. 2021 Oct; 27(10):1849. PMID: 34548659.
      View in: PubMed
    20. Ackley ER, Tchou MJ, Press CA, Parker SK, Dominguez SR, Gaensbauer J, Messacar K. AKI In Suspected Meningitis/Encephalitis May Be "Avoidable Kidney Injury". Hosp Pediatr. 2021 08; 11(8):e167-e169. PMID: 34244336.
      View in: PubMed
    21. Dehority W, Janowski AB, Messacar K, Polgreen PM, Beekmann SE. Variability in the Use of Novel Diagnostic Technology in Children With Suspected Encephalitis and in the Management of Emerging Encephalitides by Pediatric Infectious Disease Providers. J Pediatric Infect Dis Soc. 2021 Apr 30; 10(4):529-532. PMID: 33347568.
      View in: PubMed
    22. Park SW, Pons-Salort M, Messacar K, Cook C, Meyers L, Farrar J, Grenfell BT. Epidemiological dynamics of enterovirus D68 in the United States and implications for acute flaccid myelitis. Sci Transl Med. 2021 03 10; 13(584). PMID: 33692131.
      View in: PubMed
    23. Park SW, Farrar J, Messacar K, Meyers L, Pons-Salort M, Grenfell BT. Epidemiological dynamics of enterovirus D68 in the US: implications for acute flaccid myelitis. medRxiv. 2021 Jan 28. PMID: 32766605.
      View in: PubMed
    24. Murphy OC, Messacar K, Benson L, Bove R, Carpenter JL, Crawford T, Dean J, DeBiasi R, Desai J, Elrick MJ, Farias-Moeller R, Gombolay GY, Greenberg B, Harmelink M, Hong S, Hopkins SE, Oleszek J, Otten C, Sadowsky CL, Schreiner TL, Thakur KT, Van Haren K, Carballo CM, Chong PF, Fall A, Gowda VK, Helfferich J, Kira R, Lim M, Lopez EL, Wells EM, Yeh EA, Pardo CA. Acute flaccid myelitis: cause, diagnosis, and management. Lancet. 2021 01 23; 397(10271):334-346. PMID: 33357469.
      View in: PubMed
    25. Gould CV, Messacar K, Dominguez SR, Panella A, Tobolowsky F, Fischer M. Evaluation for Arboviral Infection Among Children Hospitalized in Colorado With Aseptic Meningitis and Encephalitis. Pediatr Infect Dis J. 2020 11; 39(11):e382-e384. PMID: 32773665.
      View in: PubMed
    26. Fall A, Ndiaye N, Messacar K, Kebe O, Jallow MM, Harouna H, Kiori DE, Sy S, Goudiaby D, Dia M, Niang MN, Ndiaye K, Dia N. Enterovirus D68 Subclade B3 in Children with Acute Flaccid Paralysis in West Africa, 2016. Emerg Infect Dis. 2020 09; 26(9):2227-2230. PMID: 32818390.
      View in: PubMed
    27. Shah PV, Wathen J, Keyes J, Osborne C, Messacar K, Stence N, Kothari K. Foreign Body Esophageal Perforation Leading to Multifocal Brain Abscesses: A Case Report. J Emerg Med. 2020 Oct; 59(4):e131-e135. PMID: 32694010.
      View in: PubMed
    28. Messacar K, Gaensbauer JT, Birkholz M, Palmer C, Todd JK, Tyler KL, Dominguez SR. Impact of FilmArray meningitis encephalitis panel on HSV testing and empiric acyclovir use in children beyond the neonatal period. Diagn Microbiol Infect Dis. 2020 Aug; 97(4):115085. PMID: 32559588.
      View in: PubMed
    29. Rao S, Martin J, Ahearn MA, Osborne C, Moss A, Dempsey A, Dominguez SR, Weinberg A, Messacar KB. Neurologic Manifestations of Influenza A(H3N2) Infection in Children During the 2016-2017 Season. J Pediatric Infect Dis Soc. 2020 Feb 28; 9(1):71-74. PMID: 30590598.
      View in: PubMed
    30. Tran P, Dowell E, Hamilton S, Dolan SA, Messacar K, Dominguez SR, Todd J. Two Blood Cultures With Age-Appropriate Volume Enhance Suspected Sepsis Decision-Making. Open Forum Infect Dis. 2020 Feb; 7(2):ofaa028. PMID: 32055641.
      View in: PubMed
    31. Messacar K, Spence-Davizon E, Osborne C, Press C, Schreiner TL, Martin J, Messer R, Maloney J, Burakoff A, Barnes M, Rogers S, Lopez AS, Routh J, Gerber SI, Oberste MS, Nix WA, Abzug MJ, Tyler KL, Herlihy R, Dominguez SR. Clinical characteristics of enterovirus A71 neurological disease during an outbreak in children in Colorado, USA, in 2018: an observational cohort study. Lancet Infect Dis. 2020 02; 20(2):230-239. PMID: 31859216.
      View in: PubMed
    32. Gaensbauer JT, Todd J, Grubenhoff JA, Soranno DE, Scudamore D, Cheetham A, Messacar K. A Resident-Based, Educational Program to Drive Individual and Institutional Improvement in a Pediatric Training Hospital. J Pediatr. 2019 11; 214:4-7.e1. PMID: 31655703.
      View in: PubMed
    33. Schubert RD, Hawes IA, Ramachandran PS, Ramesh A, Crawford ED, Pak JE, Wu W, Cheung CK, O'Donovan BD, Tato CM, Lyden A, Tan M, Sit R, Sowa GM, Sample HA, Zorn KC, Banerji D, Khan LM, Bove R, Hauser SL, Gelfand AA, Johnson-Kerner BL, Nash K, Krishnamoorthy KS, Chitnis T, Ding JZ, McMillan HJ, Chiu CY, Briggs B, Glaser CA, Yen C, Chu V, Wadford DA, Dominguez SR, Ng TFF, Marine RL, Lopez AS, Nix WA, Soldatos A, Gorman MP, Benson L, Messacar K, Konopka-Anstadt JL, Oberste MS, DeRisi JL, Wilson MR. Pan-viral serology implicates enteroviruses in acute flaccid myelitis. Nat Med. 2019 11; 25(11):1748-1752. PMID: 31636453.
      View in: PubMed
    34. Messacar K, Abzug MJ, Dominguez SR. Acute Flaccid Myelitis Surveillance: A Signal Through the Noise. Pediatrics. 2019 11; 144(5). PMID: 31591134.
      View in: PubMed
    35. Hixon AM, Frost J, Rudy MJ, Messacar K, Clarke P, Tyler KL. Understanding Enterovirus D68-Induced Neurologic Disease: A Basic Science Review. Viruses. 2019 09 04; 11(9). PMID: 31487952.
      View in: PubMed
    36. Kane MS, Sonne C, Zhu S, Malhotra A, Van Haren K, Messacar K, Glaser CA. Incidence, Risk Factors and Outcomes Among Children With Acute Flaccid Myelitis: A Population-based Cohort Study in a California Health Network Between 2011 and 2016. Pediatr Infect Dis J. 2019 07; 38(7):667-672. PMID: 30985511.
      View in: PubMed
    37. Searns J, Cataldi JR, McCormack K, Sim?es E, Messacar K, Dominguez SR. A 4-Year-Old Boy With an Unusual Bacterial Meningitis Infection. J Pediatric Infect Dis Soc. 2019 07 01; 8(3):282-283. PMID: 30299497.
      View in: PubMed
    38. Kirkley MJ, Robinson C, Dominguez SR, Messacar K. Neonatal parechovirus infection mimicking a surgical abdomen. BMJ Case Rep. 2019 Jun 26; 12(6). PMID: 31248894.
      View in: PubMed
    39. Olson CA, Dominguez SR, Miller S, Chiu CY, Messacar K. Gastroenteritis, Hepatitis, Encephalopathy, and Human Herpesvirus 6 Detection in an Immunocompetent Child: Benefits and Risks of Syndromic Multiplex Molecular Panel Testing. J Pediatr. 2019 09; 212:228-231. PMID: 31208781.
      View in: PubMed
    40. Wilson MR, Sample HA, Zorn KC, Arevalo S, Yu G, Neuhaus J, Federman S, Stryke D, Briggs B, Langelier C, Berger A, Douglas V, Josephson SA, Chow FC, Fulton BD, DeRisi JL, Gelfand JM, Naccache SN, Bender J, Dien Bard J, Murkey J, Carlson M, Vespa PM, Vijayan T, Allyn PR, Campeau S, Humphries RM, Klausner JD, Ganzon CD, Memar F, Ocampo NA, Zimmermann LL, Cohen SH, Polage CR, DeBiasi RL, Haller B, Dallas R, Maron G, Hayden R, Messacar K, Dominguez SR, Miller S, Chiu CY. Clinical Metagenomic Sequencing for Diagnosis of Meningitis and Encephalitis. N Engl J Med. 2019 06 13; 380(24):2327-2340. PMID: 31189036.
      View in: PubMed
    41. Abedi GR, Messacar K, Luong W, Nix WA, Rogers S, Queen K, Tong S, Oberste MS, Watt J, Rothrock G, Dominguez S, Gerber SI, Watson JT. Picornavirus etiology of acute infections among hospitalized infants. J Clin Virol. 2019 07; 116:39-43. PMID: 31100674.
      View in: PubMed
    42. Christy A, Messacar K. Acute Flaccid Myelitis Associated With Enterovirus D68: A Review. J Child Neurol. 2019 08; 34(9):511-516. PMID: 31014167.
      View in: PubMed
    43. Miller S, Naccache SN, Samayoa E, Messacar K, Arevalo S, Federman S, Stryke D, Pham E, Fung B, Bolosky WJ, Ingebrigtsen D, Lorizio W, Paff SM, Leake JA, Pesano R, DeBiasi R, Dominguez S, Chiu CY. Laboratory validation of a clinical metagenomic sequencing assay for pathogen detection in cerebrospinal fluid. Genome Res. 2019 05; 29(5):831-842. PMID: 30992304.
      View in: PubMed
    44. Messacar K, Tyler KL. Enterovirus D68-Associated Acute Flaccid Myelitis: Rising to the Clinical and Research Challenges. JAMA. 2019 03 05; 321(9):831-832. PMID: 30768149.
      View in: PubMed
    45. Dubey D, Pittock SJ, Krecke KN, Morris PP, Sechi E, Zalewski NL, Weinshenker BG, Shosha E, Lucchinetti CF, Fryer JP, Lopez-Chiriboga AS, Chen JC, Jitprapaikulsan J, McKeon A, Gadoth A, Keegan BM, Tillema JM, Naddaf E, Patterson MC, Messacar K, Tyler KL, Flanagan EP. Clinical, Radiologic, and Prognostic Features of Myelitis Associated With Myelin Oligodendrocyte Glycoprotein Autoantibody. JAMA Neurol. 2019 03 01; 76(3):301-309. PMID: 30575890.
      View in: PubMed
    46. Elrick MJ, Gordon-Lipkin E, Crawford TO, Van Haren K, Messacar K, Thornton N, Dee E, Voskertchian A, Nance JR, Mu?oz LS, Gorman MP, Benson LA, Thomas DL, Pardo CA, Milstone AM, Duggal P. Clinical Subpopulations in a Sample of North American Children Diagnosed With Acute Flaccid Myelitis, 2012-2016. JAMA Pediatr. 2019 02 01; 173(2):134-139. PMID: 30500056.
      View in: PubMed
    47. Hopkins SE, Elrick MJ, Messacar K. Acute Flaccid Myelitis-Keys to Diagnosis, Questions About Treatment, and Future Directions. JAMA Pediatr. 2019 Feb 01; 173(2):117-118. PMID: 30500054.
      View in: PubMed
    48. Messacar K, Pretty K, Reno S, Dominguez SR. Continued biennial circulation of enterovirus D68 in Colorado. J Clin Virol. 2019 04; 113:24-26. PMID: 30825833.
      View in: PubMed
    49. Saporta-Keating SR, Sim?es EAF, Yu G, Federman S, Mirsky D, Dominguez SR, Chiu CY, Messacar K. A Child With Intermittent Headaches and Eosinophilic Meningitis. J Pediatric Infect Dis Soc. 2018 Dec 03; 7(4):355-357. PMID: 29438532.
      View in: PubMed
    50. Messacar K, Robinson CC, Dominguez SR. Letter to the editor: economic analysis lacks external validity to support universal syndromic testing for suspected meningitis/encephalitis. Future Microbiol. 2018 11; 13:1553-1554. PMID: 30421966.
      View in: PubMed
    51. Messacar K, Sillau S, Hopkins SE, Otten C, Wilson-Murphy M, Wong B, Santoro JD, Treister A, Bains HK, Torres A, Zabrocki L, Glanternik JR, Hurst AL, Martin JA, Schreiner T, Makhani N, DeBiasi RL, Kruer MC, Tremoulet AH, Van Haren K, Desai J, Benson LA, Gorman MP, Abzug MJ, Tyler KL, Dominguez SR. Safety, tolerability, and efficacy of fluoxetine as an antiviral for acute flaccid myelitis. Neurology. 2019 04 30; 92(18):e2118-e2126. PMID: 30413631.
      View in: PubMed
    52. Messacar K, Dominguez SR. Blood PCR testing for enteroviruses in young children. Lancet Infect Dis. 2018 12; 18(12):1299-1301. PMID: 30389483.
      View in: PubMed
    53. Messacar K, Burakoff A, Nix WA, Rogers S, Oberste MS, Gerber SI, Spence-Davizon E, Herlihy R, Dominguez SR. Notes from the Field: Enterovirus A71 Neurologic Disease in Children - Colorado, 2018. MMWR Morb Mortal Wkly Rep. 2018 Sep 14; 67(36):1017-1018. PMID: 30212441.
      View in: PubMed
    54. Messacar K, Hamilton SL, Prinzi AM, Mitchell JC, Beil ED, Dowell EB, Dominguez SR. Rapid identification of nonblood sterile site broth cultures using the FilmArray blood culture identification panel. Diagn Microbiol Infect Dis. 2019 Jan; 93(1):22-23. PMID: 30213466.
      View in: PubMed
    55. Messacar K. Narrow-spectrum, compared with broad-spectrum, antibiotics equally effective with less adverse events. J Pediatr. 2018 05; 196:324-327. PMID: 29703366.
      View in: PubMed
    56. Messacar K, Asturias EJ, Hixon AM, Van Leer-Buter C, Niesters HGM, Tyler KL, Abzug MJ, Dominguez SR. Enterovirus D68 and acute flaccid myelitis-evaluating the evidence for causality. Lancet Infect Dis. 2018 08; 18(8):e239-e247. PMID: 29482893.
      View in: PubMed
    57. Messacar K, Fischer M, Dominguez SR, Tyler KL, Abzug MJ. Encephalitis in US Children. Infect Dis Clin North Am. 2018 03; 32(1):145-162. PMID: 29224854.
      View in: PubMed
    58. Messacar K, Parker SK, Todd JK, Dominguez SR. Reply to "Integrated Stewardship Model Comprising Antimicrobial, Infection Prevention, and Diagnostic Stewardship (AID Stewardship)". J Clin Microbiol. 2017 11; 55(11):3308. PMID: 29066568.
      View in: PubMed
    59. Messacar K, Abzug MJ, Dominguez SR. The changing epidemiology of acute flaccid paralysis warrants a paradigm shift in surveillance. J Med Virol. 2018 01; 90(1):1-2. PMID: 29023852.
      View in: PubMed
    60. Messacar K, Hurst AL, Child J, Campbell K, Palmer C, Hamilton S, Dowell E, Robinson CC, Parker SK, Dominguez SR. Clinical Impact and Provider Acceptability of Real-Time Antimicrobial Stewardship Decision Support for Rapid Diagnostics in Children With Positive Blood Culture Results. J Pediatric Infect Dis Soc. 2017 Sep 01; 6(3):267-274. PMID: 27543412.
      View in: PubMed
    61. Martin JA, Messacar K, Yang ML, Maloney JA, Lindwall J, Carry T, Kenyon P, Sillau SH, Oleszek J, Tyler KL, Dominguez SR, Schreiner TL. Outcomes of Colorado children with acute flaccid myelitis at 1 year. Neurology. 2017 Jul 11; 89(2):129-137. PMID: 28615421.
      View in: PubMed
    62. Messacar K, Campbell K, Pearce K, Pyle L, Hurst AL, Child J, Parker SK. A Handshake From Antimicrobial Stewardship Opens Doors for Infectious Disease Consultations. Clin Infect Dis. 2017 May 15; 64(10):1449-1452. PMID: 28186533.
      View in: PubMed
    63. Messacar K, Robinson CC, Pretty K, Yuan J, Dominguez SR. Surveillance for enterovirus D68 in colorado children reveals continued circulation. J Clin Virol. 2017 07; 92:39-41. PMID: 28521212.
      View in: PubMed
    64. Alvarez E, Seppa M, Rivas S, Fuentes L, Valverde P, Antill?n-Klussmann F, Castellanos M, Sweet-Cordero EA, Messacar K, Kurap J, Bustamante M, Howard SC, Efron B, Luna-Fineman S. Improvement in treatment abandonment in pediatric patients with cancer in Guatemala. Pediatr Blood Cancer. 2017 Oct; 64(10). PMID: 28423236.
      View in: PubMed
    65. Messacar K, Parker SK, Todd JK, Dominguez SR. Implementation of Rapid Molecular Infectious Disease Diagnostics: the Role of Diagnostic and Antimicrobial Stewardship. J Clin Microbiol. 2017 03; 55(3):715-723. PMID: 28031432.
      View in: PubMed
    66. Rao S, Messacar K, Torok MR, Rick AM, Holzberg J, Montano A, Bagdure D, Curtis DJ, Oberste MS, Nix WA, de Masellis G, Robinson CC, Dominguez SR. Enterovirus D68 in Critically Ill Children: A Comparison With Pandemic H1N1 Influenza. Pediatr Crit Care Med. 2016 11; 17(11):1023-1031. PMID: 27505715.
      View in: PubMed
    67. Phan TG, Messacar K, Dominguez SR, da Costa AC, Deng X, Delwart E. A new densovirus in cerebrospinal fluid from a case of anti-NMDA-receptor encephalitis. Arch Virol. 2016 Nov; 161(11):3231-5. PMID: 27522586.
      View in: PubMed
    68. Messacar K, Schreiner TL, Van Haren K, Yang M, Glaser CA, Tyler KL, Dominguez SR. Acute flaccid myelitis: A clinical review of US cases 2012-2015. Ann Neurol. 2016 09; 80(3):326-38. PMID: 27422805.
      View in: PubMed
    69. Aliabadi N, Messacar K, Pastula DM, Robinson CC, Leshem E, Sejvar JJ, Nix WA, Oberste MS, Feikin DR, Dominguez SR. Enterovirus D68 Infection in Children with Acute Flaccid Myelitis, Colorado, USA, 2014. Emerg Infect Dis. 2016 08; 22(8):1387-94. PMID: 27434186.
      View in: PubMed
    70. White A, Olson D, Messacar K. A state-wide assessment of the association between epidural analgesia, maternal fever and neonatal antibiotics in Colorado, 2007-2012. Arch Dis Child Fetal Neonatal Ed. 2017 Mar; 102(2):F120-F125. PMID: 27343198.
      View in: PubMed
    71. Messacar K, Breazeale G, Robinson CC, Dominguez SR. Potential clinical impact of the film array meningitis encephalitis panel in children with suspected central nervous system infections. Diagn Microbiol Infect Dis. 2016 Sep; 86(1):118-20. PMID: 27342782.
      View in: PubMed
    72. Messacar K, Abzug MJ, Dominguez SR. The Emergence of Enterovirus-D68. Microbiol Spectr. 2016 06; 4(3). PMID: 27337448.
      View in: PubMed
    73. Bagdure D, Custer JW, Rao S, Messacar K, Dominguez S, Beam BW, Bhutta A. Hospitalized Children With Encephalitis in the United States: A?Pediatric Health Information System Database Study. Pediatr Neurol. 2016 08; 61:58-62. PMID: 27353693.
      View in: PubMed
    74. Messacar K, Hawkins SM, Baker J, Pearce K, Tong S, Dominguez SR, Parker S. Resource Burden During the 2014 Enterovirus D68 Respiratory Disease Outbreak at Children's Hospital Colorado: An Unexpected Strain. JAMA Pediatr. 2016 Mar; 170(3):294-7. PMID: 26783716.
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    75. Greninger AL, Messacar K, Dunnebacke T, Naccache SN, Federman S, Bouquet J, Mirsky D, Nomura Y, Yagi S, Glaser C, Vollmer M, Press CA, Kleinschmidt-DeMasters BK, Dominguez SR, Chiu CY. Erratum to: Clinical metagenomic identification of Balamuthia mandrillaris encephalitis and assembly of the draft genome: the continuing case for reference genome sequencing. Genome Med. 2016 Jan 11; 8(1):1. PMID: 26750923.
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    76. Good RJ, Messacar K, Stence NV, Press CA, Carpenter TC. Abnormal Neuroimaging in a Case of Infant Botulism. Front Pediatr. 2015; 3:108. PMID: 26697417.
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    77. Greninger AL, Messacar K, Dunnebacke T, Naccache SN, Federman S, Bouquet J, Mirsky D, Nomura Y, Yagi S, Glaser C, Vollmer M, Press CA, Kleinschmidt-DeMasters BK, Klenschmidt-DeMasters BK, Dominguez SR, Chiu CY. Clinical metagenomic identification of Balamuthia mandrillaris encephalitis and assembly of the draft genome: the continuing case for reference genome sequencing. Genome Med. 2015 Dec 01; 7:113. PMID: 26620704.
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    78. Messacar K, Abzug MJ, Dominguez SR. 2014 outbreak of enterovirus D68 in North America. J Med Virol. 2016 May; 88(5):739-45. PMID: 26489019.
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    79. Greninger AL, Naccache SN, Messacar K, Clayton A, Yu G, Somasekar S, Federman S, Stryke D, Anderson C, Yagi S, Messenger S, Wadford D, Xia D, Watt JP, Van Haren K, Dominguez SR, Glaser C, Aldrovandi G, Chiu CY. A novel outbreak enterovirus D68 strain associated with acute flaccid myelitis cases in the USA (2012-14): a retrospective cohort study. Lancet Infect Dis. 2015 Jun; 15(6):671-82. PMID: 25837569.
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    80. Messacar K, Breazeale G, Wei Q, Robinson CC, Dominguez SR. Epidemiology and clinical characteristics of infants with human parechovirus or human herpes virus-6 detected in cerebrospinal fluid tested for enterovirus or herpes simplex virus. J Med Virol. 2015 May; 87(5):829-35. PMID: 25650069.
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    81. Messacar K, Schreiner TL, Maloney JA, Wallace A, Ludke J, Oberste MS, Nix WA, Robinson CC, Glod? MP, Abzug MJ, Dominguez SR. A cluster of acute flaccid paralysis and cranial nerve dysfunction temporally associated with an outbreak of enterovirus D68 in children in Colorado, USA. Lancet. 2015 Apr 25; 385(9978):1662-71. PMID: 25638662.
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    82. Maloney JA, Mirsky DM, Messacar K, Dominguez SR, Schreiner T, Stence NV. MRI findings in children with acute flaccid paralysis and cranial nerve dysfunction occurring during the 2014 enterovirus D68 outbreak. AJNR Am J Neuroradiol. 2015 Feb; 36(2):245-50. PMID: 25414005.
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    83. Pastula DM, Aliabadi N, Haynes AK, Messacar K, Schreiner T, Maloney J, Dominguez SR, Davizon ES, Leshem E, Fischer M, Nix WA, Oberste MS, Seward J, Feikin D, Miller L. Acute neurologic illness of unknown etiology in children - Colorado, August-September 2014. MMWR Morb Mortal Wkly Rep. 2014 Oct 10; 63(40):901-2. PMID: 25299607.
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    84. Gaensbauer JT, Lindsey NP, Messacar K, Staples JE, Fischer M. Neuroinvasive arboviral disease in the United States: 2003 to 2012. Pediatrics. 2014 Sep; 134(3):e642-50. PMID: 25113294.
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    85. LaGreca J, Hotchkiss M, Carry P, Messacar K, Nyquist AC, Erickson M, Garg S. Bacteriology and Risk Factors for Development of Late (Greater Than One Year) Deep Infection Following Spinal Fusion With Instrumentation. Spine Deform. 2014 May; 2(3):186-190. PMID: 27927416.
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    86. Messacar K, Dunn J, Dominguez,SR, Khan T, McFarland EJ. Diffuse Nodular Lung Infiltrates in a Three-Year-Old Boy with Recurrent Sinopulmonary Infections and Parotitis. Journal of the Pediatric Infectious Disease Society. 2014.
    87. Messacar K, Dunn J, Khan TZ, Etcheverry A, McFarland EJ, Dominguez SR. Diffuse Nodular Lung Infiltrates in a Well Appearing Three-Year-Old Boy With Recurrent Sinopulmonary Infections and Parotitis. J Pediatric Infect Dis Soc. 2015 Mar; 4(1):74-7. PMID: 26407362.
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    88. Messacar K, Cree-Green M, Lovell M, Anderson MS, Dominguez SR. Severe Neuroinvasive West Nile Virus Infection in a Child with Undiagnosed Addison's Disease. IDCases. 2014; 1(3):29-31. PMID: 25133095.
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    89. Bacteriology and Risk Factors for Development of Late (Greater Than One Year) Deep Infection Following Spinal Fusion Instrumentation. One Year) Deep Infection Following Spinal Fusion With Instrumentation. Spine Deformity. 2013; 3(2):186-90.
    90. Messacar K, Robinson CC, Bagdure D, Curtis DJ, Glod? MP, Dominguez SR. Rhino/enteroviruses in hospitalized children: a comparison to influenza viruses. J Clin Virol. 2013 Jan; 56(1):41-5. PMID: 23078869.
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