IMPALA: Peer-reviewed publications

Mungai BN, Joekes E, Masini E, Obasi A, Manduku V, Mugi B, Ong'angò J, Kirathe D, Kiplimo R, Sitienei J, Oronje R, Morton B, Squire SB, MacPherson P; IMPALA Consortium. 'If not TB, what could it be?' Chest X-ray findings from the 2016 Kenya Tuberculosis Prevalence Survey. Thorax. 2021 Jun;76(6):607-614. doi: 10.1136/thoraxjnl-2020-216123. Epub 2021 Jan 27. PMID: 33504563; PMCID: PMC8223623.

Jamilah Meghji, Kevin Mortimer, Alvar Agusti, Brian W Allwood, Innes Asher, Eric D Bateman, Karen Bissell, Charlotte E Bolton, Andrew Bush, Bartolome Celli, Chen-Yuan Chiang, Alvaro A Cruz, Anh-Tuan Dinh-Xuan, Asma El Sony, Kwun M Fong, Paula I Fujiwara, Mina Gaga, Luis Garcia-Marcos, David M G Halpin, John R Hurst, Shamanthi Jayasooriya, Ajay Kumar, Maria V Lopez-Varela, Refiloe Masekela, Bertrand H Mbatchou Ngahane, Maria Montes de Oca, Neil Pearce, Helen K Reddel, Sundeep Salvi, Sally J Singh, Cherian Varghese, Claus F Vogelmeier, Paul Walker, Heather J Zar, Guy B Marks, Improving lung health in low-income and middle-income countries: from challenges to solutions, The Lancet, Volume 397, Issue 10277, 2021, Pages 928-940, ISSN 0140-6736,

Reiné J, Cooper K, Sewell A, Lyall J, Thorbinson C, Hincks E, Ferreira DM, Pizer B, Morton B. Neutrophil function is impaired in paediatric patients with malignancy and may be a useful clinical marker. Clin Transl Oncol. 2020 Nov;22(11):2121-2125. doi: 10.1007/s12094-020-02362-2. Epub 2020 May 14. PMID: 32410117.

Allwood BW, van der Zalm MM, Amaral AFS, Byrne A, Datta S, Egere U, Evans CA, Evans D, Gray DM, Hoddinott G, Ivanova O, Jones R, Makanda G, Marx FM, Meghji J, Mpagama S, Pasipanodya JG, Rachow A, Schoeman I, Shaw J, Stek C, van Kampen S, von Delft D, Walker NF, Wallis RS, Mortimer K. Post-tuberculosis lung health: perspectives from the First International Symposium. Int J Tuberc Lung Dis. 2020 Aug 1;24(8):820-828. doi: 10.5588/ijtld.20.0067. PMID: 32912387.

Schewitz IA, Zar H, Masekela R, Gordon S, Ozoh O, Kagima J, Gray D, Binegdie A, Irungu A, Worodria W. Unintended consequences of the COVID-19 pandemic in Africa. J Pan African Thorac Soc. doi: 10.25259/JPATS_6_2020

Ouedraogo AR, Sanyu I, Nqwata L, Amare E, Gordon S, Ardrey J, Mortimer K, Meghji J. Knowledge, attitudes, and practice about bronchiectasis among general practitioners in four African cities. J Pan African Thorac Soc. doi: 10.25259/JPATS_5_2021

Plum C, Stolbrink M, Zurba L, Bissell K, Ozoh BO, Mortimer K. Availability of diagnostic services and essential medicines for non-communicable respiratory diseases in African countries. Int J Tuberc Lung Dis. 2021 Feb 1;25(2):120-125. doi: 10.5588/ijtld.20.0762. PMID: 33656423; PMCID: PMC7987206.

Williams S, Sheikh A, Campbell H, Fitch N, Griffiths C, Heyderman RS, Jordan RE, Katikireddi SV, Tsiligianni I, Obasi A; Global Health Respiratory Network. Respiratory research funding is inadequate, inequitable, and a missed opportunity. Lancet Respir Med. 2020 Aug;8(8):e67-e68. doi: 10.1016/S2213-2600(20)30329-5. PMID: 32763207; PMCID: PMC7402663.

Njoroge MW, Rylance S, Nightingale R, Gordon S, Mortimer K, Burney P, Rylance J, Obasi A, Niessen L, Devereux G; IMPALA Consortium. Cohort profile: The Chikwawa lung health cohort; a population-based observational non-communicable respiratory disease study of adults in Malawi. PLoS One. 2020 Nov 12;15(11):e0242226. doi: 10.1371/journal.pone.0242226. PMID: 33180873; PMCID: PMC7660567.

Egere, U., Shayo, E., Ntinginya, N. et al. Management of chronic lung diseases in Sudan and Tanzania: how ready are the country health systems?. BMC Health Serv Res 21, 734 (2021).

Mulupi, Stephen and Ayakaka, Irene and Tolhurst, Rachel and Kozak, Nicole and Shayo, Elizabeth and Abdalla, Elhafiz and Osman, Rashid and Egere, Uzochukwu and Mpagama, Stellah and Chinouya, Martha J. and Chikaphupha, Kingsley and ElSony, Asma and Meme, Hellen and Oronje, Rose and Ntinginya, Nyanda Elias and Obasi, Angela and Taegtmeyer, Miriam, Perspectives of Healthcare Workers, National and Regional Policy Stakeholders on the Management of Chronic Lung Disease in Five Sub-Saharan African Countries: Tale of a Vicious Cycle of Neglect. Available at SSRN: or

Sepeedeh Saleh, Henry Sambakunsi, Deborah Nyirenda, Moses Kumwenda, Kevin Mortimer, Martha Chinouya, Participant compensation in global health research: a case study, International Health, Volume 12, Issue 6, November 2020, Pages 524–532,

Ding Y, Pulford J, Bates IPractical actions for fostering cross-disciplinary global health research: lessons from a narrative literature reviewBMJ Global Health 2020;5:e002293.

Wingfield T, Karmadwala F, MacPherson P, Millington KA, Walker NF, Cuevas LE, Squire SB. Challenges and opportunities to end tuberculosis in the COVID-19 era. Lancet Respir Med. 2021 Jun;9(6):556-558. doi: 10.1016/S2213-2600(21)00161-2. Epub 2021 Mar 24. PMID: 33773121; PMCID: PMC7988354.

Bertrand Hugo MN, Lum CV, Ebenezer AT, Anastase D, Roger N, et al. (2020) Chronic obstructive pulmonary disease in patients with stable heart failure: Prevalence and associated factors. Arch Pulmonol Respir Care 6(1): 090-095. DOI: 10.17352/aprc.000065

Ellwood P, Ellwood E, Rutter C, Perez-Fernandez V, Morales E, García-Marcos L, Pearce N, Asher MI, Strachan D, On Behalf Of The Gan Phase I Study Group. Global Asthma Network Phase I Surveillance: Geographical Coverage and Response Rates. J Clin Med. 2020 Nov 17;9(11):3688. doi: 10.3390/jcm9113688. PMID: 33212975; PMCID: PMC7698565.

Awokola, B.I.; Okello, G.; Mortimer, K.J.; Jewell, C.P.; Erhart, A.; Semple, S. Measuring Air Quality for Advocacy in Africa (MA3): Feasibility and Practicality of Longitudinal Ambient PM2.5 Measurement Using Low-Cost Sensors. Int. J. Environ. Res. Public Health 202017, 7243.

Rylance, S.; Masekela, R.; Banda, N. P. K.; Mortimer, K.; Determinants of lung health across the life course in sub-Saharan Africa. The International Journal of Tuberculosis and Lung Disease, Volume 24, Number 9, 1 September 2020, pp. 892-901(10)

Kagima J, Stolbrink M, Masheti S, Mbaiyani C, Munubi A, et al. (2020) Diagnostic accuracy of combined thoracic and cardiac sonography for the diagnosis of pulmonary embolism: A systematic review and meta-analysis. PLOS ONE 15(9):e0235940. 

Meghji J, Lesosky M, Joekes E, et al Patient outcomes associated with post-tuberculosis lung damage in Malawi: a prospective cohort study Thorax 2020;75:269-278.

Amy McCarron, Isabelle Uny, Line Caes, Siân E. Lucas, Sean Semple, Jane Ardrey, Heather Price,Solid fuel users’ perceptions of household solid fuel use in low- and middle-income countries: A scoping review, Environment International, Volume 143, 2020, 105991, ISSN 0160-4120,

Rebecca Nightingale, Hannah Jary, Jamilah Meghji, Sarah Rylance, Jones Masiye, Hastings Chiumia, Jamie Rylance, Kevin Mortimer, Maia Lesosky, Non-communicable respiratory disease in Malawi: a systematic review and meta-analysis, Malawi Medical Journal 32 (2); 64-73 June 2020,

Reiné, J., Rylance, J., Ferreira, D.M. et al. The whole blood phagocytosis assay: a clinically relevant test of neutrophil function and dysfunction in community-acquired pneumonia. BMC Res Notes 13, 203 (2020).

Ding Y, Pulford J, Bates I Practical actions for fostering cross-disciplinary global health research: lessons from a narrative literature review BMJ Global Health 2020;5:e002293.

Amsalu Bekele, Meron Getachew, Charles B. Sherman, Neil W. Schluger, Prevalence of Chronic Obstructive Pulmonary Disease (COPD) Among Patients Successfully Treated for Pulmonary Tuberculosis in Ethiopia, VOL. 58 NO. 02 (2020): EMJ APRIL REGULAR ISSUE

Harrison, J.A.K., Thomson, R., Banda, H.T. et al. Access to health care for people with disabilities in rural Malawi: what are the barriers?. BMC Public Health 20, 833 (2020).

Kevin Mortimer, Maia Lesosky, Sean Semple, Jullita Malava, Cynthia Katundu, Amelia Crampin, Duolao Wang, William Weston, Dan Pope, Deborah Havens, Stephen B. Gordon, John Balmes, Pneumonia and Exposure to Household Air Pollution in Children Under the Age of 5 Years in Rural Malawi: Findings From the Cooking and Pneumonia Study, Chest, Volume 158, Issue 2, 2020, Pages 501-511, ISSN 0012-3692,

Rylance S, Jewell C, Naunje A, et al Non-communicable respiratory disease and air pollution exposure in Malawi: a prospective cohort study Thorax 2020;75:220-226.

Meghji J, Lesosky M, Joekes E, et al Patient outcomes associated with post-tuberculosis lung damage in Malawi: a prospective cohort study Thorax 2020;75:269-278.

Katoto PDMC, Murhula A, Kayembe-Kitenge T, Lawin H, Bisimwa BC, Cirhambiza JP, Musafiri E, Birembano F, Kashongwe Z, Kirenga B, Mfinanga S, Mortimer K, De Boever P, Nawrot TS, Nachega JB, Nemery B. Household Air Pollution Is Associated with Chronic Cough but Not Hemoptysis after Completion of Pulmonary Tuberculosis Treatment in Adults, Rural Eastern Democratic Republic of Congo. Int J Environ Res Public Health. 2018 Nov 15;15(11):2563. doi: 10.3390/ijerph15112563. PMID: 30445808; PMCID: PMC6265859.

Mbatchou Ngahane, B. , Kamdem, F. , Njonnou, S. , Chebou, N. , Dzudie, A. , Ebongue, S. , Tengang, B. , Lekpa, F. , Njankouo, Y. , Mouliom, S. , Ngote, H. and Namme, H. (2019) Epidemiology, Clinical and Paraclinical Presentations of Pulmonary Embolism: A Cross-Sectional Study in a Sub-Saharan Africa Setting. Open Journal of Respiratory Diseases, 9, 89-99. doi: 10.4236/ojrd.2019.93008.

Sichali JM, Khan JAK, Gama EM, Banda HT, Namakhoma I, Bongololo G, et al. (2019) Direct costs of illness of patients with chronic cough in rural Malawi—Experiences from Dowa and Ntchisi districts. PLoS ONE 14(12): e0225712.

Bates MJ, Namisango E, Tomeny E, et al Palliative care within universal health coverage: the Malawi Patient-and-Carer Cancer Cost Survey BMJ Supportive & Palliative Care Published Online First: 03 October 2019. doi: 10.1136/bmjspcare-2019-001945

Rylance S, Nightingale R, Naunje A, et al Lung health and exposure to air pollution in Malawian children (CAPS): a cross-sectional study Thorax 2019;74:1070-1077.

Performance of emergency surgical front of neck airway access by head and neck surgeons, general surgeons, or anaesthetists: an in situ simulation study, Groom, Peter et al. British Journal of Anaesthesia, Volume 123, Issue 5, 696 - 703

Abrams ST, Morton B, Alhamdi Y, Alsabani M, Lane S, Welters ID, Wang G, Toh CH. A Novel Assay for Neutrophil Extracellular Trap Formation Independently Predicts Disseminated Intravascular Coagulation and Mortality in Critically Ill Patients. Am J Respir Crit Care Med. 2019 Oct 1;200(7):869-880. doi: 10.1164/rccm.201811-2111OC. PMID: 31162936; PMCID: PMC6812439.

Saleh, S.; Van Zyl-Smit, R.; Allwood, B.; Lawin, H.; Mbatchou Ngahane, B.H.; Ayakaka, I.; Moyo, E.; El-Sony, A.; Mortimer, K.; Rylance, J. Questionnaires for Lung Health in Africa across the Life Course. Int. J. Environ. Res. Public Health 2018, 15, 1615.

Paul L. Lucas, Henk B.M. Hilderink, Peter H.M. Janssen, Samir KC, Detlef P. van Vuuren, Louis Niessen, Future impacts of environmental factors on achieving the SDG target on child mortality—A synergistic assessment, Global Environmental Change, Volume 57, 2019, 101925,ISSN 0959-3780,

Mbatchou Ngahane, B. , Ebenezer, A. , Eveline, N. , Raïssa, M. , Fernando, K. , Lum, C. and Henry, N. (2020) Diagnostic Value of Leukocyte Count Abnormalities in Newly Diagnosed Tuberculosis Patients. Open Journal of Respiratory Diseases, 10, 1-10. doi: 10.4236/ojrd.2020.101001.

Assessing ethical climates in critical care and their impact on patient outcomes Emmanuel Okenyi, Thomas Michael Donaldson, Andrea Collins, Ben Morton, Angela Obasi Breathe Mar 2019, 15 (1) 84-87; DOI: 10.1183/20734735.0335-2018

Godfrey Mawira Kaburu, Rosemary James, Kevin Mortimer. Social Determinants And Uptake Of Solar Cooking Projects - Kakuma Refugee Camp In Kenya, Journal of Poverty, Investment and Development ISSN2520-4637 X (Online) Vol.4, Issue 1, pp 1 -20, 2019

McHaleP, Hungerford D, Taylor-Robinson D, Lawrence T, Astles T, Morton B (2018) Socioeconomic status and 30-daymortalityafter minor and major trauma: A retrospective analysis of the Trauma Audit and Research Network (TARN) dataset for England. PLoSONE  13(12):e0210226.

Lawin H, Ayi Fanou L, Hinson AV, Stolbrink M, Houngbegnon P, Kedote NM, Fayomi B, Kagima J, Katoto P, Ouendo EMD, Mortimer K. Health Risks Associated with Occupational Exposure to Ambient Air Pollution in Commercial Drivers: A Systematic Review. Int J Environ Res Public Health. 2018 Sep 18;15(9):2039. doi: 10.3390/ijerph15092039. PMID: 30231523; PMCID: PMC6163743.

Nightingale R, Lesosky M, Flitz G, Rylance SJ, Meghji J, Burney P, Balmes J, Mortimer K. Noncommunicable Respiratory Disease and Air Pollution Exposure in Malawi (CAPS). A Cross-Sectional Study. Am J Respir Crit Care Med. 2019 Mar 1;199(5):613-621. doi: 10.1164/rccm.201805-0936OC. PMID: 30141966; PMCID: PMC6396863.

Bates MJ, Mphwatiwa T, Ardrey J, Desmond N, Niessen LW, et al. (2018) Household concepts of wellbeing and the contribution of palliative care in the context of advanced cancer: A Photovoice study from Blantyre, Malawi. PLOS ONE 13(8): e0202490.

Saleh S, Bongololo G, Banda H, Thomson R, Stenberg B, et al. (2018) Health seeking for chronic lung disease in central Malawi: Adapting existing models using insights from a qualitative study. PLOS ONE 13(12): e0208188.

Morton B, Stolbrink M, Kagima W, Rylance J, Mortimer K. The Early Recognition and Management of Sepsis in Sub-Saharan African Adults: A Systematic Review and Meta-Analysis. Int J Environ Res Public Health. 2018 Sep 15;15(9):2017. doi: 10.3390/ijerph15092017. PMID: 30223556; PMCID: PMC6164025.

Ozoh, O.B.; Okwor, T.J.; Adetona, O.; Akinkugbe, A.O.; Amadi, C.E.; Esezobor, C.; Adeyeye, O.O.; Ojo, O.; Nwude, V.N.; Mortimer, K. Cooking Fuels in Lagos, Nigeria: Factors Associated with Household Choice of Kerosene or Liquefied Petroleum Gas (LPG). Int. J. Environ. Res. Public Health 2018, 15, 641.

Berwick RJ, Gauntlett W, Silverio SA, Wallace H, Mercer S, Brown JM, Sandars JE, Morton B, Groom P. A mixed-methods pilot study to evaluate a collaborative anaesthetic and surgical training package for emergency surgical cricothyroidotomy. Anaesth Intensive Care. 2019 Jul;47(4):357-367. doi: 10.1177/0310057X19861978. Epub 2019 Aug 18. PMID: 31423804.

Ahmed R, Robinson R, Elsony A, Thomson R, Squire SB, Malmborg R, Burney P, Mortimer K. A comparison of smartphone and paper data-collection tools in the Burden of Obstructive Lung Disease (BOLD) study in Gezira state, Sudan. PLoS One. 2018 Mar 8;13(3):e0193917. doi: 10.1371/journal.pone.0193917. PMID: 29518132; PMCID: PMC5843227.

Banda HT, Thomson R, Mortimer K, Bello GAF, Mbera GB, et al. (2017) Community prevalence of chronic respiratory symptoms in rural Malawi: Implications for policy. PLOS ONE 12(12): e0188437.

Commentaries, Editorials and Correspondence

Sheikh A, Campbell H, Balharry D, Adab P, Barreto ML, Bauld L, Cooper P, Cruz A, Davidson FM, Dodd P, Enocson A, Fitch N, Griffiths C, Grigg J, Heyderman RS, Jordan R, Katikireddi SV, Kuo S, Kwambana-Adams B, Leyland AH, Mortimer K, Mosler G, Obasi A, Orme M, Readshaw A, Savio M, Siddiqi K, Sifaki-Pistolla D, Singh S, Squire B, Tsiligianni I, Williams S. The UK's Global Health Respiratory Network: Improving respiratory health of the world's poorest through research collaborations. J Glob Health. 2019 Dec;9(2):020104. doi: 10.7189/jogh.09.020104. PMID: 31893026; PMCID: PMC6927736.

The long shadow post-tuberculosis, Allwood, Brian Andre F.S., Amaral et al. The Lancet Infectious Diseases, Volume 19, Issue 11, 1170 – 1171

Universal health coverage and chronic conditions, Niessen, Louis W et al. The Lancet Global Health, Volume 7, Issue 10, e1290 - e1292