Pulmonary hypertension (PH) is a progressive and life shortening disorder with increased differential blood oxygen saturation (ΔSaO2) between right and left heart. In this prospective study, we acquired cardiac QSM from patients undergoing clinically indicated right heart catheterization (RHC) for assessment of known or suspected PH. ΔSaO2 estimated from QSM aligned well with RHC oxygenation data, showing QSM as a non-invasive CMR technique can be applied to clinically evaluate heart chamber oxygenation quantification in PH.
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