Nicholas Walter, MD
Associate Professor, Medicine-Pulmonary Sciences & Critical Care

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Medical School:
  • Mdiv, University of California, San Francisco, School of Medicine (2002)
Undergraduate School:
  • BA, Middlebury College (VT) (1994)
Residency:
  • University of California (San Francisco) Program, Chief Resident, Internal Medicine (2006)
Fellowships:
  • University of Colorado (University Hospital) Program, Pulmonary Disease and Critical Care Medicine (2010)
Languages: English, Spanish
Department: Medicine-Pulmonary Sciences & Critical Care

Publications

  • Voskuil MI, Covey CR, Walter ND. Antibiotic Lethality and Membrane Bioenergetics. Adv Microb Physiol. 2018;73:77-122. PubMed PMID: 30262111
  • Walter ND, Moore CM, Kayigire XA, Dide-Agossou C, Worodria W, Huang L, Everett CK, Schoolnik GS, Nahid P, Davis JL. Does discovery of differentially culturable M tuberculosis really demand a new treatment paradigm? Longitudinal analysis of DNA clearance from sputum. BMC Infect Dis. 2018 Jul 3;18(1):293. PubMed PMID: 29970012
  • Goletti D, Lee MR, Wang JY, Walter N, Ottenhoff THM. Update on tuberculosis biomarkers: From correlates of risk, to correlates of active disease and of cure from disease. Respirology. 2018 May;23(5):455-466. PubMed PMID: 29457312
  • Ofori-Anyinam B, Dolganov G, Van T, Davis JL, Walter ND, Garcia BJ, Voskuil M, Fissette K, Diels M, Driesen M, Meehan CJ, Yeboah-Manu D, Coscolla M, Gagneux S, Antonio M, Schoolnik G, Gehre F, de Jong BC. Significant under expression of the DosR regulon in M. tuberculosis complex lineage 6 in sputum. Tuberculosis (Edinb). 2017 May;104:58-64. PubMed PMID: 28454650
  • Zhao X, Epperson LE, Hasan NA, Honda JR, Chan ED, Strong M, Walter ND, Davidson RM. Complete Genome Sequence of Mycobacterium avium subsp. hominissuis Strain H87 Isolated from an Indoor Water Sample. Genome Announc. 2017 Apr 20;5(16). PubMed PMID: 28428297
  • Ofori-Anyinam B, Dolganov G, Van T, Davis JL, Walter ND, Garcia BJ, Voskuil M, Fissette K, Diels M, Driesen M, Meehan CJ, Yeboah-Manu D, Coscolla M, Gagneux S, Antonio M, Schoolnik G, Gehre F, de Jong BC. Significant under expression of the DosR regulon in M. tuberculosis complex lineage 6 in sputum. Tuberculosis (Edinb). 2017 May;104:58-64. PubMed PMID: 28454650
  • Zhao X, Epperson LE, Hasan NA, Honda JR, Chan ED, Strong M, Walter ND, Davidson RM. Complete Genome Sequence of Mycobacterium avium subsp. hominissuis Strain H87 Isolated from an Indoor Water Sample. Genome Announc. 2017 Apr 20;5(16). PubMed PMID: 28428297
  • Garcia BJ, Loxton AG, Dolganov GM, Van TT, Davis JL, de Jong BC, Voskuil MI, Leach SM, Schoolnik GK, Walzl G, Strong M, Walter ND. Sputum is a surrogate for bronchoalveolar lavage for monitoring Mycobacterium tuberculosis transcriptional profiles in TB patients. Tuberculosis (Edinb). 2016 Sep;100:89-94. PubMed PMID: 27553415
  • Walter ND, de Jong BC, Garcia BJ, Dolganov GM, Worodria W, Byanyima P, Musisi E, Huang L, Chan ED, Van TT, Antonio M, Ayorinde A, Kato-Maeda M, Nahid P, Leung AM, Yen A, Fingerlin TE, Kechris K, Strong M, Voskuil MI, Davis JL, Schoolnik GK. Adaptation of Mycobacterium tuberculosis to Impaired Host Immunity in HIV-Infected Patients. J Infect Dis. 2016 Oct 15;214(8):1205-11. PubMed PMID: 27534685
  • Walter ND, Reves R, Davis JL. Blood transcriptional signatures for tuberculosis diagnosis: a glass half-empty perspective. Lancet Respir Med. 2016 Jun;4(6):e28. PubMed PMID: 27304799
  • Katagira W, Walter ND, Den Boon S, Kalema N, Ayakaka I, Vittinghoff E, Worodria W, Cattamanchi A, Huang L, Davis JL. Empiric TB Treatment of Severely Ill Patients With HIV and Presumed Pulmonary TB Improves Survival. J Acquir Immune Defic Syndr. 2016 Jul 1;72(3):297-303. PubMed PMID: 26918546
  • Walter ND, Miller MA, Vasquez J, Weiner M, Chapman A, Engle M, Higgins M, Quinones AM, Rosselli V, Canono E, Yoon C, Cattamanchi A, Davis JL, Phang T, Stearman RS, Datta G, Garcia BJ, Daley CL, Strong M, Kechris K, Fingerlin TE, Reves R, Geraci MW. Blood Transcriptional Biomarkers for Active Tuberculosis among Patients in the United States: a Case-Control Study with Systematic Cross-Classifier Evaluation. J Clin Microbiol. 2016 Feb;54(2):274-82. PubMed PMID: 26582831
  • Walter ND, Miller MA, Vasquez J, Weiner M, Chapman A, Engle M, Higgins M, Quinones AM, Roselli V, Canono E, Yoon C, Cattamanchi A, Davis JL, Phang T, Stearman RS, Datta G, Garcia BJ, Daley CL, Strong M, Kechris K, Fingerlin TE, Reves R, Geraci MW. Blood transcriptional biomarkers for active TB among US patients: A case-control study with systematic cross-classifier evaluation. J Clin Microbiol. 2015 Nov 18. [Epub ahead of print] PubMed PMID: 26582831
  • Aiona K, Lowenthal P, Painter JA, Reves R, Flood J, Parker M, Fu Y, Wall K, Walter ND. Transnational Record Linkage for Tuberculosis Surveillance and Program Evaluation. Public Health Rep. 2015 Sep-Oct;130(5):475-84. PubMed PMID: 26327726
  • Walter ND, Dolganov GM, Garcia BJ, Worodria W, Andama A, Musisi E, Ayakaka I, Van TT, Voskuil MI, de Jong BC, Davidson RM, Fingerlin TE, Kechris K, Palmer C, Nahid P, Daley CL, Geraci M, Huang L, Cattamanchi A, Strong M, Schoolnik GK, Davis JL. Transcriptional Adaptation of Drug-tolerant Mycobacterium tuberculosis During Treatment of Human Tuberculosis. J Infect Dis. 2015 Sep 15;212(6):990-8. PubMed PMID: 25762787
  • Walter ND, Painter J, Parker M, Lowenthal P, Flood J, Fu Y, Asis R, Reves R, Tuberculosis Epidemiologic Studies Consortium. Persistent latent tuberculosis reactivation risk in United States immigrants. Am J Respir Crit Care Med. 2014 Jan 1;189(1):88-95. PubMed PMID: 24308495
  • Garcia B, Walter ND, Dolganov G, Coram M, Davis JL, Schoolnik GK, Strong M. A minimum variance method for genome-wide data-driven normalization of quantitative real-time polymerase chain reaction expression data. Anal Biochem. 2014 Aug 1;458:11-3. PubMed PMID: 24780223
  • Walter ND, Painter J, Parker M, Lowenthal P, Flood J, Fu Y, Asis R, Reves R, Tuberculosis Epidemiologic Studies Consortium. Persistent latent tuberculosis reactivation risk in United States immigrants. Am J Respir Crit Care Med. 2014 Jan 1;189(1):88-95. PubMed PMID: 24308495
  • Cattamanchi A, Walter ND, Metcalfe JZ, Davis JL. A transcriptional signature for active TB: have we found the needle in the haystack?. PLoS Med. 2013 Oct;10(10):e1001539. PubMed PMID: 24167454
  • Dowdy DW, Davis JL, den Boon S, Walter ND, Katamba A, Cattamanchi A. Population-level impact of same-day microscopy and Xpert MTB/RIF for tuberculosis diagnosis in Africa. PLoS One. 2013;8(8):e70485. PubMed PMID: 23950942
  • Andama AO, den Boon S, Meya D, Cattamanchi A, Worodria W, Davis JL, Walter ND, Yoo SD, Kalema N, Haller B, Huang L, International HIV-Associated Opportunistic Pneumonias (IHOP) Study. Prevalence and outcomes of cryptococcal antigenemia in HIV-seropositive patients hospitalized for suspected tuberculosis in Uganda. J Acquir Immune Defic Syndr. 2013 Jun 1;63(2):189-94. PubMed PMID: 23542636
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Practice Locations

University of Colorado Hospital (UCH)
12605 E. 16th Ave
Aurora, CO 80045
720-848-0000

Hospital Affiliation
  • University of Colorado Hospital

Specialty Information

Specialties
  • Internal Medicine, Board Certification
  • Pulmonary Disease and Critical Care Medicine, Board Certification
Conditions & Treatments
  • Critical Care
  • Lungs and Breathing

General Information

Medical Schools:
  • Mdiv, University of California, San Francisco, School of Medicine (2002)
Undergraduate Schools:
  • BA, Middlebury College (VT) (1994)
Residency Programs:
  • University of California (San Francisco) Program, Chief Resident, Internal Medicine (2006)
Fellowships:
  • University of Colorado (University Hospital) Program, Pulmonary Disease and Critical Care Medicine (2010)
Languages: English, Spanish
Department: Medicine-Pulmonary Sciences & Critical Care
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