BRTO
Balloon-occluded Retrograde Transvenous Obliteration of gastric varix
胃静脉曲张的经静脉阻塞球囊闭塞 
肝硬化患者的10%-40% , Gastric varices have an incidence of 30% in cirrhosis
Gastric bleeding 3-30% 占胃出血的3-30%
BRTO手术进行快，止血预期更高，较低的出血复发率【Young Ho Choi etal. Korean J Radio. 2003 Apr-June; 4(2) 109-116】
The Sarin Classification of Gastric Varices
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