Clinicians should be aware that retrograde left heart catheterization can cause factitious mitral insufficiency when assessing prosthetic mitral valves.
Medical Intelligence from The New England Journal of Medicine — Factitious Mitral Insufficiency — A Pitfall in the Hemodynamic Assessment of Prosthetic Mitral Valves by Retrograde Catheterization of the Left Side of the Heart
Barold et al. (Thu,) studied this question.