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Published on: March 4, 2015
The feasibility of contrast-enhanced ultrasound during uterine artery embolization: a pilot study
Eric J Dorenberg1, Jarl A Jakobsen, Knut Brabrand
1Department of Radiology, Rikshospitalet-Radiumhospitalet Medical Center, Oslo, Norway. eric.dorenberg@rikshospitalet.no
Purpose:
To evaluate the feasibility of using contrast-enhanced ultrasound (CEUS) during uterine artery embolization (UAE) in order to define the correct end-point of embolization with complete devascularization of all fibroids.
Methods:
In this prospective study of 10 consecutive women undergoing UAE, CEUS was performed in the angiographic suite during embolization. When the angiographic end-point, defined as the "pruned-tree" appearance of the uterine arteries was reached, CEUS was performed while the angiographic catheters to both uterine arteries were kept in place. The decision whether or not to continue the embolization was based on the findings at CEUS. The results of CEUS were compared with those of contrast-enhanced magnetic resonance imaging (MRI) 1 day as well as 3 months following UAE.
Results:
CEUS was successfully performed in all women. In 4 cases injection of particles was continued based on the findings at CEUS despite angiographically complete embolization. CEUS imaging at completion of UAE correlated well with the findings at MRI.
Conclusion:
The use of CEUS during UAE is feasible and may increase the quality of UAE.
