Functional anatomy of mitral regurgitation
Accuracy and outcome implications of transesophageal echocardiography
Maurice Enriquez-Sarano, MD, FACC*,
William K. Freeman, MD, FACC*,
Christophe M. Tribouilloy, MD, FACC*,
Thomas A. Orszulak, MD ,
Bijoy K. Khandheria, MD, FACC*,
James B. Seward, MD, FACC*,
Kent R. Bailey, PhD and
A. Jamil Tajik, MD, FACC*
* Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic and Mayo Foundation, Rochester, Minnesota, USA
Division of Cardiovascular Surgery, Mayo Clinic and Mayo Foundation, Rochester, Minnesota, USA
Section of Biostatistics, Mayo Clinic and Mayo Foundation, Rochester, Minnesota, USA

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Figure 1 Postoperative survival according to anatomic classification by transesophageal echocardiography (TEE) in three groups: floppy valves, organic nonfloppy and ischemic/functional mitral regurgitation (MR).
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Figure 2 Example of flail posterior mitral leaflet (arrowheads) with visible small ruptured chordae (arrow) viewed from the long-axis view (LA = left atrium; LV = left ventricle; RV = right ventricle).
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