U up per Gas Tro in Tes Ti Nal En Dos Copy in Children with up per Gas Tro in Tes Ti Nal Bleeding

chil dren is not un com mon, and it ranges in se ver ity from a wor ri some mild ep i sode to an acute panicprovoking in ci dent. Al though the var i ous clin i cal par a digms have not changed, ad vances in en dos copy and ra di ol ogy, as well as new ther a peu tic mo dal i ties, per mit us to pin point the cause of bleed ing more eas ily and to treat it ef fec tively. Be fore en dos copy came into com mon use, it was only pos si ble to iden tify 50% to 80% of the bleed ing sites, whereas now most au thors use fiberoptic en do scopes and re port a rate of iden ti fi ca tion of more than 80% of the bleed ing sites. The value of cur rent pro ce dures in di ag nos tic ca pa bil i ties and in pro vid ing interventional ther apy are un de ni able; even if ac tive bleed ing has stopped at the time of en dos copy, the pro ce dure can pro vide im por tant in for ma tion to de ter mine if the le sion will po ten tially bleed again. Based on 54 months of re search in the Tai pei Vet erans Gen eral Hos pi tal, Tai wan, this ret -