moving-target problem

moving-target problem

A popular term for a change in a facet of healthcare which can render obsolete the findings of health technical assessments, sometimes even before they can be implemented.

Examples
Changes in technology, alternative or complementary technologies (e.g., those used to manage a given health problem), emergence of new competing technologies, and changes in application of a technology (e.g., to different patient populations or to different health problems).
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The moving-target problem particularly exacerbates this issue.