[Assessment of mitral valve function using cardioplegic cannula].
D006328:Cardiac Catheterization / Q000295:instrumentation; D005069:Evaluation Studies as Topic; D006324:Heart Arrest, Induced / Q000295:instrumentation*; D006801:Humans; D008943:Mitral Valve / Q000503:physiopathology* / Q000601:surgery; D008944:Mitral Valve Insufficiency / Q000503:physiopathology*