Zusammenfassung
Die dreidimensionale (3D-)Echokardiographie ist eine neue Bildgebungstechnik, die wertvolle Informationen über die kardiovaskuläre Morphologie, Pathologie und Funktion vermittelt. Die neuesten Entwicklungen wie Verbesserung der Geräte, Datenakquisition, Post-processing und schnellere Rechner haben dazugeführt, dass die 3D-Echokardiographie nun zu einem wichtigen Bestandteil der klinischen Ultraschalldiagnostik geworden ist. Die aus 3D-Datensets gewonnenen Informationen über die Morphologie des linken und rechten Ventrikels sowie die komplexen Klappenerkrankungen und kongenitalen Defekte sind heute für die Planung herzchirurgischer Eingriffe notwendig. Die dreidimensionale Rekonstruktion des Farbdopplersignals ermöglicht zudem die In-vivo-Visualisierung und Quantifizierung von intrakavitären Regurgitationsflüssen und Volumina der Regurgitationsjets über die Herzklappen, was für die Beurteilung des Schweregrads von Mitralklappeninsuffizienz von Bedeutung ist. Dieser Übersichtsartikel beschreibt den aktuellen Stand der 3D-Echokardiographie und deren klinische Wertigkeit in der Herzchirurgie anhand eigener Studien über die Morphologie, die Annulusdynamik und Flussmuster der Mitralklappe.
Abstract
Three-dimensional (3D) echocardiography is a new imaging technique that can provide useful information about cardiovascular morphology, pathology, and function. Recent refinements in instrumentation, data acquisition, post-processing, and computation speed allow 3D echocardiography to play an important role in cardiac imaging. These modalities provide comprehensive information on ventricular and valve morphology and function. Combined with 3D color Doppler sonography, further assessment of valvular function and determination of flow in the left ventricular outflow tract and cross-septal defects are now possible. Three-dimensional color flow imaging also makes echocardiography accurate for assessing the severity of mitral regurgitation. The purpose of this review is to describe technical developments in 3D echocardiography and its clinical application in cardiac surgery. Moreover, based on clinical studies at our centre, we describe the morphology of the mitral valve, its flow pattern, and function of the mitral annulus.
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Hoda, M., Schwarz, T., Wolf, I. et al. Klinischer Einsatz der 3D-Echokardiographie in der Herzchirurgie. Chirurg 78, 435–442 (2007). https://doi.org/10.1007/s00104-007-1329-1
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DOI: https://doi.org/10.1007/s00104-007-1329-1