title: Hemodynamic changes after balloon occlusion of the splenic artery during balloon-occluded retrograde transvenous obliteration for gastric varices.
abstract: OBJECTIVE
  To elucidate changes in hemodynamics after balloon occlusion of the splenic artery during balloon-occluded retrograde transvenous obliteration (B-RTO).
  
  
  METHODS
  In eight patients who had B-RTO for a gastric varix, the balloon-occluded venous pressure of the drainage vein was measured, and balloon-occluded retrograde venography (B-RTV) was performed with and without occlusion of the splenic artery during B-RTO. The pressure and the degrees of the variceal complex visualized on B-RTV were compared between those with and without occlusion of the splenic artery.
  
  
  RESULTS
  In seven of the eight patients, balloon-occluded venous pressure of the drainage vein decreased after balloon occlusion of the splenic artery. A paired t test showed that the mean decrease from 21.88 mm Hg to 18.38 mm Hg was statistically significant (P = .0033). From findings of B-RTV, the variceal complex was more extensively visualized after occlusion of the splenic artery in seven of the eight patients.
  
  
  CONCLUSIONS
  Balloon occlusion of the splenic artery during B-RTO for gastric varices can produce changes in hemodynamics related to gastric varices and has the potential to prompt the sclerosing agent to distribute more extensively and evenly in the gastric varix.
authors: Department of Radiology, Kyoto Prefectural University of Medicine, Kamigyo, Kyoto, Japan. rika442@koto.kpu-m.ac.jp
authors: Rika
authors: R
authors: Yoshimatsu
authors: Takuji
authors: T
authors: Yamagami
authors: Osamu
authors: O
authors: Tanaka
authors: Hiroshi
authors: H
authors: Miura
authors: Mitsuoki
authors: M
authors: Hashiba
mesh_terms: D000368:Aged; D021721:Balloon Occlusion / Q000379:methods*; D004932:Esophageal and Gastric Varices / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000628:therapy*; D005260:Female; D006439:Hemodynamics; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D010690:Phlebography; D012597:Sclerosing Solutions / Q000008:administration & dosage; D015911:Sclerotherapy; D013157:Splenic Artery / Q000503:physiopathology*; D016896:Treatment Outcome; D014690:Venous Pressure
chemical_list: D012597:Sclerosing Solutions