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Guidelines for Elective Pediatric Fiberoptic Intubation
Published on: January 17, 2011
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.
Objective:
To assess the diagnostic accuracy and safety of office-based tracheoscopy when combined with flexible fiberoptic laryngoscopy (FFLT). Flexible laryngoscopy on infants is routinely performed by otolaryngologists in the clinic. The addition of tracheoscopy may improve overall airway assessment but is rarely performed due to the suspected risk of airway compromise.
Design:
A 6-year retrospective medical record review.
Setting:
Tertiary care hospital.
Patients:
Thirty-one infants younger than 1 year with complete data from preoperative FFLT and microlaryngoscopy and bronchoscopy (MLB) were examined.
Main Outcome Measures:
Results from 241 MLB procedures were reviewed.
Results:
Laryngomalacia (LM) and tracheomalacia (TM) were identified more often by FFLT than by MLB. In particular, the detection rate for LM and TM by MLB, as seen preoperatively by FFLT, was 79% and 61%, respectively. Compared with FFLT, MLB accurately diagnosed the severity of LM and TM only 55% and 65%, respectively, of the time. Fiberoptic laryngoscopy revealed synchronous airway lesions in 62% of infants with LM, while MLB discovered synchronous airway lesions in 54%. Static airway lesions were more frequently diagnosed with MLB. No respiratory events occurred during FFLT.
Conclusions:
In an appropriate patient, FFLT is a safe and effective diagnostic tool for common infant tracheal and laryngeal abnormalities. Detection and characterization of dynamic airway lesions is better achieved by FFLT than by MLB.
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