Dynamic Quantitative Echocardiographic Evaluation of Mitral Regurgitation in the Operating Department - 16/08/11
, Vicky Soulière, MD , André Y. Denault, MD †, Denis Bouchard, MD ‡, Pierre Couture, MD †, Michel Pellerin, MD ‡, Michel Carrier, MD ‡, Sylvie Levesque, MSc §, Anique Ducharme, MD, MSc , Arsène J. Basmadjian, MD, MSc ⁎ 
Department of Medicine, Montreal Heart Institute, Montreal, Quebec, Canada Reprint requests: Arsène J. Basmadjian, MD, MSc, Research Center, Montreal Heart Institute, 5000 Belanger St, Montreal, Quebec, H1T 1C8, CanadaRésumé |
Hemodynamic modifications induced by general anesthesia could lead to underestimation of mitral regurgitation (MR) severity in the operating department and potentially serious consequences. The intraoperative severity of MR was prospectively compared with the preoperative baseline evaluation using dynamic quantitative transesophageal echocardiography in 25 patients who were stable with MR 2/4 or greater undergoing coronary bypass, mitral valve operation, or both. Significant changes in the severity of MR using transesophageal echocardiographic criteria occurred after the induction of general anesthesia and with phenylephrine. Quantitative transesophageal echocardiographic evaluation of MR using effective orifice area and vena contracta, and the use of phenylephrine challenge, were useful to avoid underestimating MR severity in the operating department.
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Vol 19 - N° 2
P. 140-146 - février 2006 Retour au numéro
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