Role and Necessity of Health Technology Assessment (HTA) in Health System

In this article, we aimed at introducing health technology assessment (HTA) as a sound scientific method for the purpose of improving health outcomes for patients and efficiencies in the health care system overall. This is a review article that aimed to investigate the literate related to health technology assessment. Relevant materials systematically selected from published works and sites and analyzed. Many countries apply “health technology assessment” as a tool for logical use of technologies, control of expenses, and preventing importing of less immune and effective technologies. Also, in this article, the purpose and application, role, factors that must be assessed, basic questions, principles, and ten basic steps of HTA and the like have been referred to. HTA has a unique potential to contribute to policy-making, strategic planning, management and the implementation of technologies in health care. It can be used as a strategic tool to overcome the disconnection between policy and research.