Source:International Journal of Pediatric Otorhinolaryngology, Volume 109
Author(s): Hilary Yankey, Glenn Isaacson
ObjectiveTo demonstrate the safety and effectiveness of topical 2% mupirocin ointment as an adjunctive therapy for tympanostomy tube otorrhea (TTO) caused by methicillin-resistant Staphylococcus aureus (MRSA).MethodsWe treated children with community-acquired MRSA TTO by aural suctioning and culture-directed systemic antibiotics (+/− ototopical drops) alone (control group) or with the addition of single 1 ml dose of mupirocin ointment applied to the tube and ear canal (mupirocin group). Patient age, laterality, response to treatment, associate hearing loss, duration of follow-up, and recurrence of infection by MRSA or by other organisms were compared.Results29 children (37 ears) with MRSA TTO were included. 8 children (12 ears) received adjunctive topical mupirocin ointment – 21 children (25 ears) did not. 8 of 12 ears in the mupirocin group received concomitant systemic antibiotics – 4 ears were treated with topical mupirocin alone. The mean duration of follow-up of the mupirocin group was 7 months (with 95% C.I of 7 ± 7). The control group was 24 months (with 95% C.I of 24 ± 9). Recurrence of MRSA TTO in the mupirocin and control groups were 0/12; 0% and 10/25; 40%, by ear, respectively (p = 0.015). Recurrence of non-MRSA TTO in the mupirocin and control groups were 6/12; 50% and 9/25; 36%, by ear, respectively (p = 1.0). There were no sensorineural hearing losses in the mupirocin-treated children.ConclusionIn this small series, a single application of topical mupirocin in combination with mechanical debridement, controlled infection by CA-MRSA without evidence of local reaction or subsequent hearing loss. Its role in treatment of MRSA TTO merits further investigation.
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