Overview
Infection of the external auditory canal (EAC) often complicates the presence of foreign bodies, impacting diagnosis and management strategies. This summary focuses on the management of foreign bodies within the EAC, highlighting outcomes and referral practices.Diagnosis
Direct visualization and otomicroscopy are primary diagnostic tools 12.
Presence of spherical objects, objects touching the tympanic membrane, and those present for over 24 hours may indicate challenging removal 2.
Complications such as infection should be suspected in cases with unsuccessful removal attempts 12.Management
First-line Treatment: Removal under direct visualization by emergency physicians or otomicroscopy by otolaryngologists 12.
Instrumentation: Utilization of appropriate instruments tailored to the foreign body type and location 1.
Referral: Direct referral to otolaryngology recommended for unsuccessful initial attempts, spherical objects, and complex cases 12.
Complication Management: Address complications such as infection with targeted antibiotic therapy based on clinical presentation and culture results when available 12.Special Populations
Pediatrics: Emergency physicians often attempt removal, with otolaryngologists achieving higher success rates, especially for complex cases 12.
Comorbidities: No specific recommendations provided for comorbidities; focus remains on successful removal and minimizing complications 12.Key Recommendations
Refer patients with unsuccessful initial removal attempts, spherical objects, or those touching the tympanic membrane directly to otolaryngology for specialized removal 12 (Evidence: Moderate).
Utilize otomicroscopy by otolaryngologists for optimal outcomes in complex EAC foreign body removals 2 (Evidence: Moderate).
Monitor for and manage complications, particularly infections, following removal attempts 12 (Evidence: Weak).References
1 Karimnejad K, Nelson EJ, Rohde RL, Costa DJ. External Auditory Canal Foreign Body Extraction Outcomes. The Annals of otology, rhinology, and laryngology 2017. link
2 Schulze SL, Kerschner J, Beste D. Pediatric external auditory canal foreign bodies: a review of 698 cases. Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery 2002. link