• Alvin Ho-Ting Li, Amit X Garg, Jeremy M Grimshaw, Versha Prakash, Alexie J Dunnett, Stephanie N Dixon, Monica Taljaard, Joanna Mitchell, Kyla L Naylor, Cathy Faulds, Rachel Bevan, Leah Getchell, Greg Knoll, S Joseph Kim, Jessica Sontrop, Allison Tong, Lise M Bjerre, Karyn Hyjek, Donna Currie, Susan Edwards, Mike Sullivan, Linda Harvey-Rioux, and Justin Presseau.
• Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada. ali66@uwo.ca.
• Bmc Med. 2022 Mar 3; 20 (1): 75.

BackgroundThe shortage of available organs for life-saving transplants persists worldwide. While a majority support donating their organs or tissue when they die, many have not registered their wish to do so. When registered, next of kin are much more likely to follow-through with the decision to donate. In many countries, most people visit their family physician office each year and this setting is a promising, yet underused, site where more people could register for deceased organ donation. Our primary aim was to evaluate the effectiveness of an intervention to promote organ donation registration in family physician's offices.MethodsWe developed an intervention to address barriers and enablers to organ donation registration that involved physician office reception staff inviting patients to register on a tablet in the waiting room while they waited for their appointment. We conducted a cross-sectional stepped-wedge cluster randomized controlled registry trial to evaluate the intervention. We recruited six family physician offices in Canada. All offices began with usual care and then every two weeks, one office (randomly assigned) started the intervention until all offices delivered the intervention. The primary outcome was registration for deceased organ donation in the provincial organ registration registry, assessed within the 7 days of the physician visit. At the end of the trial, we also conducted interviews with clinic staff to assess any barriers and enablers to delivering the intervention.ResultsThe trial involved 24,616 patient visits by 13,562 unique patients: 12,484 visits in the intervention period and 12,132 in the control period. There was no statistically significant difference in the percentage of patients registered for deceased organ donation in the intervention versus control period (48.0% vs 46.2%; absolute difference after accounting for the secular trend: 0.12%; 95% CI: - 2.30, 2.54; p=0.92). Interviews with clinic staff indicated location of the tablet within a waiting room, patient rapport, existing registration, confidence and motivation to deliver the intervention and competing priorities as barriers and enablers to delivery.ConclusionsOur intervention did not increase donor registration. Nonetheless, family physician offices may still remain a promising setting to develop and evaluate better interventions to increase organ donation registration.Trial RegistrationNCT03213171.© 2022. The Author(s).

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