Abstract
PurposeInjection sclerotherapy for hemorrhoids has been performed for many years. Currently, 5% phenol in almond oil (PAO) and aluminum potassium sulfate and tannic acid (ALTA) are used as the agents. The purpose of this study was to compare the efficacy of the two agents.MethodsA retrospective study was conducted involving 135 patients who underwent injection therapy for grade 3 hemorrhoids for the first time between 2013 and 2014 (PAO, 55 patients; ALTA, 80 patients). The efficacy was established as the proportion (%) of patients without symptoms such as hemorrhage and prolapse one year after treatment. We investigated four factors—sex, age, number of hemorrhoids, and agent—that might have an influence on the efficacy.ResultsThe efficacies of ALTA and PAO one year after treatment were 75% and 20%, respectively. Only the agent was a significant independent factor (P < 0.01).ConclusionThe results suggest that ALTA is markedly more useful than PAO for injection sclerotherapy for grade 3 hemorrhoids.
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