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DOI: 10.1055/s-0029-1246111
© Georg Thieme Verlag KG Stuttgart · New York
Techniken der kontrastmittelfreien MR-Angiografie
Nonenhanced MR Angiography TechniquesPublikationsverlauf
eingereicht: 20.10.2010
angenommen: 4.2.2011
Publikationsdatum:
25. März 2011 (online)

Zusammenfassung
Nicht zuletzt vor dem Hintergrund der potenziellen Risiken für eine nephrogene systemische Fibrose (NSF) nach Applikation von gadoliniumhaltigem Kontrastmittel hat die kontrastmittelfreie MR-Angiografie (Non-KM-MRA) in den letzten Jahren wieder zunehmend an Bedeutung gewonnen. Neben den bereits etablierten Time-Of-Flight- und Phasenkontrasttechniken (TOF und PC) werden dabei zunehmend alternative Untersuchungsstrategien eingesetzt. Hervorzuheben sind hier auf Balanced-Steady-State-Free-Precession- und Turbo-Spin-Echo-Sequenzen (bSSFP und TSE) basierende MR-Verfahren, die zum Teil mit Arterial Spin Labeling (ASL) Methoden kombiniert werden. Im Rahmen dieser Übersichtsarbeit sollen die Prinzipien der unterschiedlichen Untersuchungstechniken sowie ihr klinischer Stellenwert dargestellt werden. Zudem werden auch sich noch im Entwicklungsstadium befindliche Non-KM-MRA Techniken vorgestellt.
Abstract
Especially in regard to the potential risks for the development of nephrogenic systemic fibrosis (NSF) following the administration of Gadolinium-based contrast material, nonenhanced MR angiography (MRA) methods are becoming ever more important. Besides well-established time-of-flight (TOF) and phase-contrast (PC) MRA, alternative imaging techniques based on balanced steady-state free precession (bSSFP) and turbo-spin-echo (TSE) sequences are increasingly used in combination with or without arterial spin labeling (ASL) strategies. This article provides an overview of the principles and clinical values of different nonenhanced MRA techniques. In addition, recent nonenhanced MRA developments are presented.
Key words
MR angiography - technical aspects - arteries
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Dr. Rotem S. Lanzman
Institut für Diagnostische und Interventionelle Radiologie
Uniklinik Düsseldorf
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