[SUPPORTIVE EXTRACORPOREAL CIRCULATION  AT THE TIME OF MITRAL COMMISSUROTOMY WITH INCREASED SURGICAL RISK].
D006348:Cardiac Surgical Procedures; D005112:Extracorporeal Circulation; D006351:Heart Valves; D006354:Heart, Artificial; D008946:Mitral Valve Stenosis; D013903:Thoracic Surgery
HEART SURGERY; HEART, MECHANICAL; MITRAL VALVE STENOSIS
CIRCULATION EXTRACORPORELLE D'APPUI LORS DE LA COMMISSUROTOMIE MITRALE 'A RISQUE OP'ERATOIRE 'ELEV'E.