Accuracy and safety of tracheoscopy for infants in a tertiary care clinic

Larry D Hartzell1, Gresham T Richter, Robert S Glade

  • 1University of Arkansas for Medical Sciences, Department of Otolaryngology, 4301 W Markham, Slot 543, Little Rock, AR 72205, USA. ldhartzell@uams.edu

Insights

Flexible fiberoptic laryngoscopy (FFLT) is a safe and effective tool for diagnosing infant airway abnormalities like laryngomalacia and tracheomalacia. It offers better detection of dynamic airway lesions compared to microlaryngoscopy and bronchoscopy.

Area of Science:

  • Pediatric Otolaryngology
  • Pediatric Pulmonology
  • Diagnostic Imaging

Background:

  • Flexible fiberoptic laryngoscopy (FFLT) is a standard diagnostic tool for infant airway assessment.
  • The addition of tracheoscopy to FFLT may enhance airway evaluation but is limited by concerns of airway compromise.
  • Microlaryngoscopy and bronchoscopy (MLB) are established procedures for diagnosing laryngeal and tracheal conditions.

Purpose of the Study:

  • To evaluate the diagnostic accuracy and safety of office-based tracheoscopy combined with FFLT.
  • To compare the diagnostic capabilities of FFLT versus MLB for infant airway lesions.
  • To assess the incidence of synchronous airway lesions identified by both methods.

Main Methods:

  • Retrospective review of medical records over 6 years at a tertiary care hospital.
  • Analysis of data from 31 infants under 1 year old with complete preoperative FFLT and MLB data.
  • Review of results from 241 MLB procedures.

Main Results:

  • FFLT identified laryngomalacia (LM) and tracheomalacia (TM) more frequently than MLB.
  • FFLT detected LM in 79% and TM in 61% of cases later confirmed by MLB.
  • MLB accurately diagnosed the severity of LM and TM in 55% and 65% of cases, respectively.
  • FFLT identified synchronous airway lesions in 62% of infants with LM; MLB identified them in 54%.
  • No respiratory events occurred during FFLT procedures.

Conclusions:

  • Office-based FFLT is a safe and effective diagnostic method for common infant tracheal and laryngeal abnormalities.
  • FFLT demonstrates superior detection and characterization of dynamic airway lesions compared to MLB.
  • FFLT is a valuable tool for comprehensive infant airway assessment in appropriate patients.
Abstract

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