The index of microvascular resistance (IMR) is an established tool to assess the status of coronary microcirculation. However, the need for a pressure wire and hyperemic agents have limited its… Click to show full abstract
The index of microvascular resistance (IMR) is an established tool to assess the status of coronary microcirculation. However, the need for a pressure wire and hyperemic agents have limited its routine use and have led to the development of angiography‐derived pressure‐wire‐free methods (angiography‐derived IMR [IMRAngio]). In this review and meta‐analysis, we aim to assess the global diagnosis accuracy of IMRAngio versus IMR.
               
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