A Clinical and Microbial Study of Otomycosis: An Original Study

Prakash, Sathya; Leelatejaswini, R M; Deekshita,

doi:10.14260/jemds/2015/1786

jemds

2015

DOI: 10.14260/jemds/2015/1786

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A Clinical and Microbial Study of Otomycosis: An Original Study

Sathya Prakash¹,

R M Leelatejaswini²,

Deekshita Deekshita³

Abstract: Otomycosis or "Otitis externa myotica" refers to a fungal or yeast infection of the external auditory meatus. Fungi can be isolated in up to 40 percent of all cases of external otitis, especially "Aspergillus niger and Candida albicans". It has a worldwide distribution with higher prevalence in the hot, humid and dusty climate of the tropical and subtropical regions and sometimes in association with immunosuppression and poor hygienic conditions. The purpose of this study is to analyse the etiology, clinical m… Show more

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Cited by 2 publications

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A Prospective Non-Randomised Observational Case Study- The Study of Otomycosis

S¹,

Kavitha²

2017

jemds

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BACKGROUND Otomycosis is one of the most common cases which the otorhinolaryngologist faces in his day-today practice. Otomycosis is often associated with other comorbid conditions like AOM, CSOM, OE, etc. Latest knowledge in otomycosis will update the otorhinolaryngologist in providing better care to their patients. MATERIALS AND METHODS The study group consisted of fifty [50] patients of various age groups of both sexes. The samples were collected using sterile swabs, placed in test tube and then transported for smear and culture study. Microscopic examination is done and the second swab was inoculated onto media. Irrespective of culture results, 1% clotrimazole ear drops-4 drops, 8 hourly for four weeks was tried and the patients were periodically examined for clearance of infection. RESULTS Most of the patients presented in their 3 rd and 4 th decade, majority being females. Aspergillus niger is the commonest fungal isolate. Ear probing is the most common presenting factor. Unilateral itching and blocking sensation is the usual presentation. CONCLUSION In this study, the most common offending fungus causing otomycosis is Aspergillus niger [46%]. The most common presenting symptom is itching. Prolonged use of antibiotic or steroid drops and ear probing is the commonest predisposing factor. 1% clotrimazole ear drops was effective in most cases [96%].

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A Prospective Non-Randomised Observational Case Study- The Study of Otomycosis

S¹,

Kavitha²

2017

jemds

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Exploring Antibiotic Susceptibility in Otomycosis: Uncovering Mixed Infections of Fungal and Bacterial Origin in Indonesia

Krisniawati,

Budhi Darmawan,

Puspita Karunia Ning Widhi

et al. 2023

IEM

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Backgrounds:Otomycosis is a common fungal ear infection affecting people worldwide. Cases may be exacerbated by mixed fungal-bacterial infections, especially those involving antibiotic-resistant bacteria. Understanding the microbiological features and antibiotic susceptibility patterns of the pathogens involved is critical for treatment. This study aimed to investigate the prevalence of mixed fungal-bacterial infections in otomycosis cases in Indonesia, to identify the bacterial species involved, and to determine their antibiotic susceptibility patterns. Materials & Methods: In this study, 47 ear swab specimens were collected from 41 clinically-diagnosed otomycosis cases from April to August 2022. The collected samples were processed by culture and microscopy to identify fungal and bacterial isolates. Antibiotic susceptibility testing was performed using the Kirby-Bauer disc diffusion method. Findings: Fungal isolates alone were detected in 80.9% of the specimens, while 19.1% showed mixed fungal-bacterial growth. The most common fungi were Aspergillus (57.1%) and Candida (42.9%) species. Among bacterial isolates, Staphylococcus aureus was the most frequent (observed in 66.7% of mixed cases), followed by Pseudomonas aeruginosa (22.2%). Also, two of the six S. aureus isolates were methicillin-resistant (MRSA). Both P. aeruginosa isolates were extended-spectrum beta-lactamase (ESBL) producers. Conclusion: Many otomycosis cases in this study demonstrated polymicrobial etiology. The emergence of antibiotic-resistant bacteria poses diagnostic and therapeutic challenges to healthcare systems.

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A Clinical and Microbial Study of Otomycosis: An Original Study

Cited by 2 publications

References 11 publications

A Prospective Non-Randomised Observational Case Study- The Study of Otomycosis

A Prospective Non-Randomised Observational Case Study- The Study of Otomycosis

Exploring Antibiotic Susceptibility in Otomycosis: Uncovering Mixed Infections of Fungal and Bacterial Origin in Indonesia

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