LAUSR

In recent years, the implementation of trauma-focused treatments has expanded across settings that vary widely in the availability of resources, infrastructure, and personnel. The present review aims to inform researchers, policy makers, trainers, and administrators about this diverse range of research. Taking a global health perspective, this review of effectiveness trials and implementation studies compares strategies used in high-income countries to those in low- and medium-income countries. A primary difference between studies in high-income and low- and medium-income countries is the relative emphasis placed on fidelity or adaptation. Adaptations used in low- and medium-income countries might offer useful ideas for increasing the portability, impact, and accessibility of evidence-based interventions in high-income countries.