Observational cohort study protocol: neutrophil function and energetics in adults with pneumonia and sepsis - Pneumonia Metabolism in Ageing (PUMA).

Frances S Grudzinska, Aduragbemi A Faniyi, Aaron Scott, Elizabeth Sapey, David R Thickett
Author Information
  1. Frances S Grudzinska: Birmingham Acute Care Research, University of Birmingham College of Medical and Dental Sciences, Birmingham, UK F.Grudzinska@bham.ac.uk. ORCID
  2. Aduragbemi A Faniyi: Birmingham Acute Care Research, University of Birmingham College of Medical and Dental Sciences, Birmingham, UK.
  3. Aaron Scott: Birmingham Acute Care Research, University of Birmingham College of Medical and Dental Sciences, Birmingham, UK.
  4. Elizabeth Sapey: Birmingham Acute Care Research, University of Birmingham College of Medical and Dental Sciences, Birmingham, UK. ORCID
  5. David R Thickett: Birmingham Acute Care Research, University of Birmingham College of Medical and Dental Sciences, Birmingham, UK.

Abstract

INTRODUCTION: Community-acquired pneumonia has high mortality and is associated with significant healthcare costs. In older adults with community-acquired pneumonia neutrophil dysfunction has been identified and is associated with poor outcomes for patients. Immunometabolism is a rapidly developing field which links immune cell function to metabolism. This study aims to explore neutrophil metabolism in community-acquired pneumonia.
METHODS AND ANALYSIS: Pneumonia Metabolism in Ageing study is a prospective observational study recruiting older adults hospitalised with community-acquired pneumonia to examine neutrophil function and metabolic status. Controls will be older adults with no acute illness. The primary endpoint is neutrophil chemotaxis.
ETHICS AND DISSEMINATION: The study has ethical approval from the Research Ethics Committee Wales, reference 19/WA/0299. This study involves participants who may lack the capacity to consent to research involvement, in this situation, personal or professional assent will be sought. The results from this study will be submitted for publication in peer-reviewed journals and disseminated at local and international conferences.

Keywords

References

  1. Am J Respir Crit Care Med. 2019 Nov 15;200(10):1282-1293 [PMID: 31206313]
  2. Am J Respir Crit Care Med. 2011 May 1;183(9):1176-86 [PMID: 21257786]
  3. BMJ Open. 2018 Mar 30;8(3):e020243 [PMID: 29602852]
  4. Am J Respir Crit Care Med. 2017 Nov 15;196(10):1325-1336 [PMID: 28657793]
  5. Mediators Inflamm. 2018 Apr 11;2018:4065362 [PMID: 29849488]
  6. Annu Rev Immunol. 2012;30:459-89 [PMID: 22224774]
  7. Clin Exp Immunol. 2015 Nov;182(2):184-94 [PMID: 26153037]
  8. Proc Natl Acad Sci U S A. 2009 May 5;106(18):7624-9 [PMID: 19380745]
  9. JAMA. 2016 Feb 23;315(8):762-74 [PMID: 26903335]
  10. Semin Respir Crit Care Med. 2009 Apr;30(2):127-35 [PMID: 19296412]
  11. Blood. 2014 Jan 9;123(2):239-48 [PMID: 24191150]
  12. J Immunol Methods. 2020 Aug;483:112795 [PMID: 32464141]
  13. Eur Respir J. 1997 Jul;10(7):1530-4 [PMID: 9230242]
  14. Eur Respir J. 2018 Apr 26;51(4): [PMID: 29519921]
  15. Thorax. 2020 Feb;75(2):164-171 [PMID: 31732687]
  16. J Gerontol A Biol Sci Med Sci. 2020 Nov 13;75(12):2320-2325 [PMID: 32877922]
  17. Thorax. 2009 Oct;64 Suppl 3:iii1-55 [PMID: 19783532]
  18. Thorax. 2009 Dec;64(12):1062-9 [PMID: 19454409]
  19. Cell Metab. 2021 Feb 2;33(2):411-423.e4 [PMID: 33306983]
  20. Nat Rev Immunol. 2019 May;19(5):269 [PMID: 30940933]
  21. J Clin Invest. 1982 Sep;70(3):550-7 [PMID: 7107894]
  22. J Infect Dis. 2017 May 1;215(9):1396-1406 [PMID: 28368517]
  23. Front Immunol. 2023 Apr 25;14:1083072 [PMID: 37180154]
  24. J Med Econ. 2022 Jan-Dec;25(1):912-918 [PMID: 35726515]
  25. Intensive Care Med Exp. 2016 Dec;4(1):21 [PMID: 27387528]
  26. Crit Care Med. 2006 Jan;34(1):15-21 [PMID: 16374151]

Grants

  1. NIHR129593/Department of Health
  2. NIHR131600/Department of Health
  3. NIHR129593/Department of Health
  4. MR/S002782/1/Medical Research Council

MeSH Term

Humans
Aged
Neutrophils
Apoptosis Regulatory Proteins
Pneumonia
Cohort Studies
Aging
Sepsis
Community-Acquired Infections
Observational Studies as Topic

Chemicals

Apoptosis Regulatory Proteins

Word Cloud

Created with Highcharts 10.0.0studypneumonianeutrophiladultsoldercommunity-acquiredfunctionPneumoniawillassociatedmetabolismANDMetabolismAgeingInfectionINTRODUCTION:Community-acquiredhighmortalitysignificanthealthcarecostsdysfunctionidentifiedpooroutcomespatientsImmunometabolismrapidlydevelopingfieldlinksimmunecellaimsexploreMETHODSANALYSIS:prospectiveobservationalrecruitinghospitalisedexaminemetabolicstatusControlsacuteillnessprimaryendpointchemotaxisETHICSDISSEMINATION:ethicalapprovalResearchEthicsCommitteeWalesreference19/WA/0299involvesparticipantsmaylackcapacityconsentresearchinvolvementsituationpersonalprofessionalassentsoughtresultssubmittedpublicationpeer-reviewedjournalsdisseminatedlocalinternationalconferencesObservationalcohortprotocol:energeticssepsis-PUMABacterialInnateImmunityNeutrophilBiologyRespiratory

Similar Articles

Cited By