Abstract

Right ventricular ischemia reperfusion (RV-IR) causes RV diastolic dysfunction. IR-induced mitochondrial fission causes RV diastolic dysfunction. In RV-IR Drp1 translocates to mitochondria, binds Fis1 and causes fission and injury. A baseline RV mitochondriopathy in MCT PAH resembles IR-induced mitochondrial injury. Drp1 inhibitors (Mdivi-1 and P110) preserve RV diastolic function post RV-IR.

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