Sclerotherapy failure is defined as
Failure of endoscopic treatment is declared when two sessions fail to control hemorrhage Ref: Sabiston 20th edition
Unresponsiveness to consecutive 2 energy sclerotherapies
Unresponsiveness to consecutive 3 energy sclerotherapies
Remnant bleeding even after sclerotherapy for successive 2 hospital admissions
Failure to heal after a single treatment
G.I.T