Discordance Between Measured vs Calculated Oxygen Consumption in Adults With Congenital Heart Disease: Limitations and Clinical Implications.

INTRODUCTION Oxygen consumption (VO2) is frequently estimated using derived formulas for ease of use. We performed a prospective study to assess the correlation and limits of agreement between measured and assumed VO2 (mL/min) in adults with congenital heart disease (CHD). METHODS Consecutive adults with CHD who have undergone cardiac catheterization at Mayo Clinic Rochester from January 2018 to December 2019 were retrospectively enrolled in the...