Lisa Puchalski Ritchie


Scientist, Li Ka Shing Knowledge Institute

Research Programs


Dr. Puchalski Ritchie is a Scientist at the Li Ka Shing Knowledge Institute in the Knowledge Translation Program. She is an emergency physician at University Health Network, and an Assistant Professor in the Division of Emergency Medicine, Department of Medicine, at the University of Toronto and Assistant Professor (status only) at the Institute of Health Policy, Management and Evaluation at the University of Toronto. She is the Research Director the Global Health Emergency Medicine (GHEM) and the Toronto Addis Ababa Collaboration in Emergency Medicine (TAAAC-EM).

She is a clinical epidemiologist with a research focus on the use of knowledge translation strategies to improve health care delivery and outcomes in resource limited health care settings and is Co-Principle Investigator on two Canadian Institutes of Health Research funded internationally based knowledge translation projects.

Please note: Dr. Puchalski Ritchie is not taking any summer students in 2019.

Recent Publications

  1. Tubman, M, Maskalyk, J, Mackinnon, D, Venugopal, R, Fremes, E, Puchalski Ritchie, LM et al.. Tackling challenges of global health electives: Resident experiences of a structured and supervised medicine elective within an existing global health partnership. Can Med Educ J. 2017;8 (2):e4-e10. . PubMed PMID:29114341 PubMed Central PMC5669288.
  2. Vogel, JP, Moore, JE, Timmings, C, Khan, S, Khan, DN, Defar, A et al.. Barriers, Facilitators and Priorities for Implementation of WHO Maternal and Perinatal Health Guidelines in Four Lower-Income Countries: A GREAT Network Research Activity. PLoS ONE. 2016;11 (11):e0160020. doi: 10.1371/journal.pone.0160020. PubMed PMID:27806041 PubMed Central PMC5091885.
  3. Puchalski Ritchie, LM, van Lettow, M, Makwakwa, A, Chan, AK, Hamid, JS, Kawonga, H et al.. The impact of a knowledge translation intervention employing educational outreach and a point-of-care reminder tool vs standard lay health worker training on tuberculosis treatment completion rates: study protocol for a cluster randomized controlled trial. Trials. 2016;17 (1):439. doi: 10.1186/s13063-016-1563-2. PubMed PMID:27604571 PubMed Central PMC5015212.
  4. Puchalski Ritchie, LM, Khan, S, Moore, JE, Timmings, C, van Lettow, M, Vogel, JP et al.. Low- and middle-income countries face many common barriers to implementation of maternal health evidence products. J Clin Epidemiol. 2016;76 :229-37. doi: 10.1016/j.jclinepi.2016.02.017. PubMed PMID:26931284 .
  5. Puchalski Ritchie, LM, van Lettow, M, Barnsley, J, Chan, AK, Schull, MJ, Martiniuk, AL et al.. Lay Health Workers experience of a tailored knowledge translation intervention to improve job skills and knowledge: a qualitative study in Zomba district Malawi. BMC Med Educ. 2016;16 :54. doi: 10.1186/s12909-016-0580-x. PubMed PMID:26861834 PubMed Central PMC4748491.
  6. Berman, J, Mitambo, C, Matanje-Mwagomba, B, Khan, S, Kachimanga, C, Wroe, E et al.. Building a knowledge translation platform in Malawi to support evidence-informed health policy. Health Res Policy Syst. 2015;13 :73. doi: 10.1186/s12961-015-0061-4. PubMed PMID:26646212 PubMed Central PMC4673758.
  7. Puchalski Ritchie, LM, van Lettow, M, Hosseinipour, MC, Rosenberg, NE, Phiri, S, Landes, M et al.. The effectiveness of interventions to improve uptake and retention of HIV-infected pregnant and breastfeeding women and their infants in prevention of mother-to-child transmission care programs in low- and middle-income countries: protocol for a systematic review and meta-analysis. Syst Rev. 2015;4 :144. doi: 10.1186/s13643-015-0136-x. PubMed PMID:26525141 PubMed Central PMC4630855.
  8. Puchalski Ritchie, LM, Schull, MJ, Martiniuk, AL, Barnsley, J, Arenovich, T, van Lettow, M et al.. A knowledge translation intervention to improve tuberculosis care and outcomes in Malawi: a pragmatic cluster randomized controlled trial. Implement Sci. 2015;10 :38. doi: 10.1186/s13012-015-0228-y. PubMed PMID:25890186 PubMed Central PMC4437452.
  9. Meshkat, N, Misra, S, Hunchak, C, Cleiman, P, Khan, Y, Puchalski Ritchie, LM et al.. Knowledge gaps in the diagnosis and management of patients with tropical diseases presenting to Canadian emergency departments: are the gaps being met?. CJEM. 2014;16 (6):458-66. . PubMed PMID:25358277 .
  10. Smith, S, Deveridge, A, Berman, J, Negin, J, Mwambene, N, Chingaipe, E et al.. Task-shifting and prioritization: a situational analysis examining the role and experiences of community health workers in Malawi. Hum Resour Health. 2014;12 :24. doi: 10.1186/1478-4491-12-24. PubMed PMID:24885454 PubMed Central PMC4014628.
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Affiliations & Other Activities

  • Assistant Professor, Department of Medicine, Division of Emergency Medicine, University of Toronto
  • Emergency Physician, University Health Network