E Heward1, M Cullen2, J Hobson1. 1. Department of Otolaryngology,University Hospital of South Manchester NHS Foundation Trust,UK. 2. Department of Microbiology,University Hospital of South Manchester NHS Foundation Trust,UK.
Abstract
OBJECTIVE: Otitis externa is a common presentation to secondary care otolaryngology clinics. Despite this, few studies have investigated the microbiology and antimicrobial resistance of otitis externa. This study aimed to examine these issues. METHODS: Analysis identified 302 swabs taken from 217 patients (100 male, 117 female), between 1 January 2015 and 30 March 2016, at our rapid access otolaryngology clinic. RESULTS: In total, 315 organisms were isolated; the most frequent was Pseudomonas aeruginosa (31.1 per cent), followed by candida species (22.9 per cent) and Staphylococcus aureus (11.7 per cent). P aeruginosa was sensitive to ciprofloxacin in 97.7 per cent of cases and to gentamicin in 78.4 per cent. CONCLUSION: Compared with studies worldwide, the relative proportions of different organisms causing otitis externa and the patterns of antimicrobial resistance differ. Increasing resistance of P aeruginosa to aminoglycosides demonstrates a changing pattern of antimicrobial resistance that has not been previously reported. Reassuringly, quinolone antibiotics remain highly effective when treating P aeruginosa.
OBJECTIVE:Otitis externa is a common presentation to secondary care otolaryngology clinics. Despite this, few studies have investigated the microbiology and antimicrobial resistance of otitis externa. This study aimed to examine these issues. METHODS: Analysis identified 302 swabs taken from 217 patients (100 male, 117 female), between 1 January 2015 and 30 March 2016, at our rapid access otolaryngology clinic. RESULTS: In total, 315 organisms were isolated; the most frequent was Pseudomonas aeruginosa (31.1 per cent), followed by candida species (22.9 per cent) and Staphylococcus aureus (11.7 per cent). P aeruginosa was sensitive to ciprofloxacin in 97.7 per cent of cases and to gentamicin in 78.4 per cent. CONCLUSION: Compared with studies worldwide, the relative proportions of different organisms causing otitis externa and the patterns of antimicrobial resistance differ. Increasing resistance of P aeruginosa to aminoglycosides demonstrates a changing pattern of antimicrobial resistance that has not been previously reported. Reassuringly, quinolone antibiotics remain highly effective when treating P aeruginosa.
Entities:
Keywords:
Antimicrobial Drug Resistance; Microbiology; Otitis Externa
Authors: Micaela Machado Querido; Lívia Aguiar; Paula Neves; Cristiana Costa Pereira; João Paulo Teixeira Journal: Colloids Surf B Biointerfaces Date: 2019-02-16 Impact factor: 5.268
Authors: Ana V Ocaña; John J Aguilera-Correa; Elena Domínguez-Jurado; Francisco C Pérez-Martínez; Ramón Pérez-Tanoira; Yaiza López-Carretero; Jesús Masiá-Mondejar; José Antonio Castro-Osma; Jaime Esteban; Carlos Alonso-Moreno; Milagros Molina-Alarcón; Pedro Seguí Journal: Laryngoscope Investig Otolaryngol Date: 2022-01-18