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Venous Evaluation and Imaging:  How and When to Use IVUS?  ~ Marc A. Passman, MD. Summary by Peggy Bush, APN
 
Marc A. Passman, MD
Professor Surgery
The University of Alabama at Birmingham
 
Clinical uses for IVUS include: Iliac vein compression, venous thrombus, and IVC filters.
 
 
 
Design & Function
 

 
High Resolution – B- Mode
Frequency range - 10-40 MHz
            Higher frequency provides a higher resolution but ß field & depth
            Lower frequencies see Ý field & depth
 
Dr. Passman talked about the Volcano s5 System and the Boston Scientific System.
 
 
IVUS Basic Technique
·      Local anesthesia
·      Percutaneous access
·      Venogram- roadmap
·      Guidewire
·      IVUS probe is advanced over the guidewire
·      Anatomic landmarks
·      Measurements
 
Dr. Passman shared many images. Finally, IVUS, is a useful adjunct to other imaging modalities for diagnosis. It is safe and accessible. Assist therapeutic interventions. Limits contrast does for renal insufficiency snd provides useful data for complex cases.