Clinicians should be aware that retrograde left heart catheterization can cause factitious mitral insufficiency when assessing prosthetic mitral valves.
Warrants caution against misinterpreting mitral regurgitation severity on retrograde catheterization of prosthetic valves; leaves open optimal hemodynamic protocols.
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
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Barold et al. (1968) studied this question.
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