Footnotes

• Contributors GO did a review of literature on the topic and prepared the first draft of the initial and revised version. PP made critical revisions and prepared the figures and table.

• Funding PP received funding from Edwards Lifesciences and Medtronic for echocardiography core laboratory analyses in the field of transcatheter aortic valve replacement with no direct personal compensation.

• Competing interests PP holds the Canada Research Chair in Valvular Heart Disease and his research programme is funded by the Canadian Institutes of Health Research (grant numbers FDN-143225) (Ottawa, Ontario, Canada). PP received funding from Edwards Lifesciences for echo corelab analyses in the field of transcatheter valve therapy.

• Provenance and peer review Commissioned; externally peer reviewed.

• Patient consent for publication Not required.