Tracheostomy co-colonization in autoimmune disease: beyond empiric treatment

Aimi Athirah Binti Azmi Murad; Tan Sien Hui

doi:10.18203/issn.2454-5929.ijohns20252913

Authors

Aimi Athirah Binti Azmi Murad Department of Otorhinolaryngology, Universiti Malaya, Kuala Lumpur, Malaysia
Tan Sien Hui Department of Otorhinolaryngology, Universiti Malaya, Kuala Lumpur, Malaysia

DOI:

https://doi.org/10.18203/issn.2454-5929.ijohns20252913

Keywords:

Autoimmune disease, Colonisation, Candida glabrata, Proteus mirabilis, Sjogren, Tracheostomy

Abstract

We report an unusual case of mixed Proteus mirabilis and Candida glabrata colonization of a tracheostomy tube in a patient with rheumatoid arthritis and Sjögren syndrome. Despite the striking appearance of blackish deposits on the tube surface, the patient was asymptomatic and endoscopic evaluation revealed no local pathology. The patient’s comorbidities likely contributed to altered airway microbial ecology, favoring biofilm persistence. Understanding biofilm behavior and differentiating colonization from infection prevented unnecessary antimicrobial therapy. This case highlights the importance of correlating microbiological findings with clinical and endoscopic assessments to guide management in chronic tracheostomy patients.

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