Chemoprophylaxis of Fungal Deterioration of the Provox Silicone Tracheoesophageal Prosthesis in Postlaryngectomy Patients

A double-blind randomized trial was conducted among 36 laryngectomees to assess the influence of a buccal bioadhesive slow-release tablet containing miconazole nitrate on the lifetime of the Provox voice prosthesis. All patients colonized with Candida spp and treated with miconazole showed a significant decrease of colonization at the end of the study. Intratracheal phonatory pressures were remarkably higher after 2 months of follow-up in the placebo group. No local or systemic adverse reactions to miconazole were observed during this study. Patient compliance was acceptable according to regular miconazole determination in saliva samples. The device lifetime was significantly higher in patients treated with miconazole even after 1 y ear of follow-up. The use of a buccal bioadhesive slow-release tablet containing an antimycotic agent proves to be an adequate method of preventing fungal colonization and deterioration of silicone voice prostheses.

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