Abstract
Objective To evaluate the long-term effectiveness of different-dose of botulinum toxin A (BTXA) therapy on axillary hyperhidrosis.Methods Total 86 patients with axillary hyperhidrosis were self-controlled.One group of left axillary was injected with a low-dose of BTXA,50U.Another group of right axillary was injected with a high-dose of BTXA.A total dose of 200 U of BTXA was used per axilla.Patients were followed-up for 29 months.To investigate the effect of two methods,we analyzed two ranked data by rank sum test and x2 test to judge the disparities of the therapeutic effect.Results The results showed that the relapse-free interval of two groups with axillary hyperhidrosis was significant difference through the statistical analysis (P ＜ 0.05).Conclusions High-dose of BTXA treatment is capable of prolonging the antihidrotic effect on axillary hyperhidrosis. Key words: Axillary hyperhidrosis; Botulinum toxin A (BTXA) ; Self-control
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