• Der Anaesthesist · Oct 2012

    Comparative Study

    [Real-time 3 dimensional full volume data set : benefits in problem focused intraoperative transesophageal echocardiography].

    • A Ender, S Eibel, E Hasheminejad, M Scholz, U X Kaisers, C Mukherjee, and J Ender.
    • Abteilung für Anästhesiologie und Intensivmedizin II, Herzzentrum, Universität Leipzig, Strümpellstr. 39, 04289, Leipzig, Deutschland.
    • Anaesthesist. 2012 Oct 1;61(10):875-82.

    BackgroundComprehensive intraoperative transesophageal echcardiography (TEE) includes various measurements for quantification of cardiac chambers and valves based on multiple two dimensional (2D) standard views. Due to shortness of time during cardiac surgery most centres in Germany only carry out problem focussed intraoperative examinations which does not allow the complete repertoire of measurements to be exhausted. The aim of this study was to investigate which measurements for cardiac chamber and valve quantification can be performed with the acquisition of a real-time 3D full volume (RT-3D-FV) data set and to compare these measurements with those based on standard 2D views.Materials And MethodsIn patients undergoing elective surgical mitral valve repair a comprehensive 2D TEE examination according to the guidelines of the American Society of Echocardiography (ASE) and the Society of Cardiovascular Anesthesiologists (SCA) was performed after induction of anesthesia. Additionally, a RT-3D-FV TEE data set based on the midesophageal four chamber view was recorded (iE 33, Philips, Netherlands). All measurements of the 2D TEE and the RT-3D-FV dataset (Qlab) were performed offline by two independent examiners.ResultsAfter approval by the local ethic committee and obtaining written informed consent 50 patients (31 male and 19 female) with a mean age of 59.4 ± 11.5 years were enrolled in this study. All measurements recommended for chamber and valve quantification could be performed on the basis of the RT-3D-FV data set except for measurements of the sinus of Valsalva and the sinotubular junction. There was good correlation between the results of the two methods.ConclusionsFor intraoperative problem focussed TEE examinations the acquisition of an additional RT-3D-FV TEE data set allows accurate measurement of most of the recommended chamber and valve quantification parameters.

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