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  • Title: Intraoperative Transesophageal Echocardiography for Surgical Repair of Degenerative Mitral Regurgitation.
    Author: Pisano C, Calia C, Ricasoli A, Fabio Triolo O, Argano V.
    Journal: J Heart Valve Dis; 2017 Sep; 26(5):547-556. PubMed ID: 29762923.
    Abstract:
    BACKGROUND: Segmental analysis of diseased mitral valves is important to predict a successful surgical valve repair. An assessment was made of the comparative accuracy of intraoperative three-dimensional (3D) and two-dimensional (2D) transesophageal echocardiography (TEE) in the evaluation of mitral valve lesions when compared with intraoperative surgical segmental analysis. METHODS: A total of 42 consecutive patients (12 females, 30 males; mean age 70.5 ± 14 years) with severe mitral valve regurgitation due to degenerative disease and who underwent mitral valve repair was enrolled in the study. Complete 2D- and 3D-TEE were performed before surgery. The findings obtained using the different echocardiographic techniques were compared with intraoperative segmental analysis performed by a single operator who was blinded to the 2D- and 3D-TEE findings until the end of the inspection. The sensitivity and specificity of echocardiographic evaluations of involved scallops were compared with surgical inspection. RESULTS: 3D-TEE allowed an accurate identification of all mitral lesions. Thirty-three patients had simple lesions at 3D-TEE and underwent a simple surgical procedure, while nine patients had complex lesions; in these latter cases complex surgical procedures were performed. 3D-TEE showed more sensitivity than 2D-TEE in the analysis of the anterior leaflet (A), in particular for A3 lesion (100% versus 25%, p <0.001) and for complex lesion (100% versus 33.3%, p <0.009). CONCLUSIONS: 3D-TEE allowed a more accurate identification of mitral valve lesions compared with 2D-TEE. The greatest accuracy was achieved for analysis of the anterior leaflet. 3D-TEE should be regarded as an important adjunct to standard 2D-TEE in decisions regarding mitral valve repair.
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