Why the study?
Exercise right heart catheterisation has regained attention, and understanding physiologic exercise responses is essential to identify abnormal haemodynamic patterns and evaluate valvular heart disease.
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Design
Review
Exercise right heart catheterisation can objectively unmask symptoms and underlying haemodynamic abnormalities in valvular heart disease, potentially aiding in patient selection for transcatheter interventions.
The use of exercise right heart catheterisation for the assessment of cardiovascular diseases has regained attention recently. Understanding physiologic haemodynamic exercise responses is key for the identification of abnormal haemodynamic patterns. Exercise total pulmonary resistance >3 Wood units identifies a deranged haemodynamic response and when total pulmonary resistance exceeds 3 Wood units, an exercise pulmonary artery wedge pressures/cardiac output slope >2 mmHg/l/min indicates the presence of underlying exercise-induced pulmonary hypertension related to left heart disease. In the evolving field of transcatheter interventions for valvular heart disease, exercise right heart catheterisation may objectively unmask symptoms and underlying haemodynamic abnormalities. Further studies are needed on the use of the procedure to inform the selection of patients who might receive the most benefit from transcatheter interventions for valvular heart diseases.
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Valle et al. (2021) studied this question.
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