Portal Vein Embolization with a New Embolic Material: Preliminary Study in Pigs.
10.3348/jkrs.1997.37.5.861
- Author:
Sang Soo PARK
1
;
Nam Seob LEE
;
Tae Hyung KIM
;
Hyun Ki YOON
;
Kyu Bo SUNG
;
Ho Young SONG
Author Information
1. Dept. Biomedical Engineering, Asan Medical Center, University of Ulsan College of Medicine.
- Publication Type:Original Article
- Keywords:
Animals;
Portal vein, interventional procedure;
Portal vein, therapeutic blockade
- MeSH:
Animals;
Catheters;
Fluoroscopy;
Hydrolysis;
Polymers;
Polyvinyls;
Portal Vein*;
Swine*
- From:Journal of the Korean Radiological Society
1997;37(5):861-866
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
PURPOSE: To evaluate the usefulness of new liquid embolic materials for portal vein embolization (PVE). MATERIALS AND METHODS: The liquid embolic material, Embol, was obtained by hydrolytic reaction of polyvinyl acetate (PVAc). Several Embols with a different hydrolysis ratio and polymer concentration were prepared and named, an example was Embol-78-12. These were percutaneously injected through a 5-Fr catheter into the left portal vein of six pigs, and radio-opacity under X-ray fluoroscopy and the possibility of reflux were evaluated. RESULTS: The radio-opacity of Embol-78-8, Embol-73-10, and Embol-73-12 was too low to recognize reflux, but was excellent when Embol-78-12 or (Embol-78-12 + Lipiodol) was used; it was still difficult to prevent reflux, however. With the use of a balloon catheter, however, complete embolization became possible. CONCLUSION: Embol-78-12 injection through a balloon catheter seems to be useful for clinical PVE.
