Abstract:Objective To investigate the clinical value of external auditory canal perfusion in treatment of fungal otitis externa.Methods 202 patients with unilateral fungal otitis externa were randomly divided into traditional coating group (n = 89) and external auditory canal perfusion group (n = 113). All these patients were treated with pevisone cream for one week after cleaning the external auditory canal fungal mass under otoscope. The efficacy was evaluated on day 10 and followed up for 6 months.Results The incidence of fungal external otitis was increasing year by year, mainly in summer. The primary symptoms of 202 patients were ear itching (90.6%), aural fullness (85.1%) and otorrhea (54.0%). Ear picking was the main risk factor (98.0%), followed by wearing earbuds (37.6%). The positive rate was 84.4% (27/32) in 32 fungal cultures, and Aspergillus was the majority (74.1%). After one week of treatment, 71 cases received good therapeutic effect and 18 cases did not got in the traditional coating group, 103 cases were for the better and 10 cases were not in the external auditory canal perfusion group, the effective rates were 79.8% and 91.2%, respectively (P < 0.05). After six months of follow-up, there were 22 cases of recurrence in the traditional coating group and 9 cases in the external auditory canal perfusion group. The recurrence rates were 29.3% (22/75) and 8.9% (9/101), respectively (P < 0.05). The main reasons for recurrence are damp working environment and age. During the treatment, the incidence of earache was higher in the traditional coating group than in the external auditory canal perfusion group.Conclusion The external auditory canal perfusion of pevisone in the treatment of fungal otitis externa is simple, effective, and not easy to relapse, which is convenient for clinical application, especially in grass-roots units.