Zusammenfassung
Aortenerkrankungen, die den Aortenbogen involvieren, können dank der Etablierung von so genannten Hybridverfahren mittlerweile einer endovaskulären Therapie zugeführt werden. Da die individuelle Pathomorphologie ein wesentliches Kriterium für die Indizierung eines solchen Eingriffs darstellt, sind radiologische Auswertungstechniken erforderlich, die eine präzise Quantifizierung komplexer Aortenläsionen ermöglichen. Die Centerline-Analyse ist ein semiautomatisches Bildnachverarbeitungsverfahren, das die geometrische Mittelachse von Gefäßen bestimmt sowie Querschnitts- und Distanzmessungen entlang dieser Mittelachse erlaubt. Dadurch lassen sich umfassende Informationen gewinnen, die für die Therapiestratifizierung, Patientenselektion und Therapieplanung von Bedeutung sind. Dieser Übersichtsartikel soll das Potenzial der Centerline-Analyse für die präoperative Evaluierung von Pathologien des Aortenbogens anhand von Fallbeispielen aufzeigen und die Vor- und Nachteile dieser Technik kritisch diskutieren.
Abstract
Because vascular surgical techniques are constantly being refined and hybrid procedures are developing, aortic lesions involving the aortic arch are increasingly being treated with endovascular aortic repair. Since individual pathomorphology represents a crucial criterion regarding the applicability of endovascular techniques, sophisticated evaluation of radiological imaging is necessary to gain quantitative anatomical information. Centerline analysis represents a semiautomated image postprocessing algorithm that calculates the geometric vessel center and allows diameter as well as distance measurements along its course. Thus, data provided by centerline analysis are beneficial for therapy stratification, patient selection, and treatment planning. Using clinical case reports, this review aims to demonstrate the potential of centerline analysis for preoperative evaluation of aortic arch lesions and critically discusses the advantages and disadvantages of this technique.
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Weber, T., Geisbüsch, P., Rengier, F. et al. Semiautomatische Centerline-Analyse zur Planung endovaskulärer Rekonstruktionen des Aortenbogens. Gefässchirurgie 14, 80–91 (2009). https://doi.org/10.1007/s00772-008-0658-9
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DOI: https://doi.org/10.1007/s00772-008-0658-9