 Patient engagement has become a major focus of healthcare research over the past decade. The number of publications on this topic has increased significantly since 2002, with medicine and nursing being the two most popular fields. Researchers have focused primarily on clinical and organizational outcomes of patient engagement, but there is still a lack of an evidence-based theoretical foundation of the construct and its organizational dimensions. This article was authored by Serena Borello, Guendalina Grafighna, and Elena Veni.