Comparison of Outcomes Between Primary Laryngotracheal Reconstruction and Partial Cricotracheal Resection in Moderate Grade Pediatric Subglottic Stenosis: A Systematic Review and Meta-Analysis

Abstract

Objective

This systematic review and meta-analysis compare the outcomes of primary laryngotracheal reconstruction (LTR) and partial cricotracheal resection (PCTR) in managing moderate-grade pediatric subglottic stenosis (severe Grade II and Grade III). While both surgical approaches are widely used, no clear consensus exists on the superior technique.

Methods

A systematic literature search was conducted across PubMed, Embase, and Scopus following PRISMA guidelines. Studies reporting outcomes of LTR and PCTR in pediatric patients (< 18 years) with severe Grade II (> 60%) or Grade III subglottic stenosis were included. The primary outcome was successful extubation or decannulation. Statistical analysis, including pooled prevalence estimates and heterogeneity assessment, was performed using STATA software.

Results

A total of 24 studies were included, comprising 193 patients in the LTR group and 88 in the PCTR group. Successful decannulation was achieved in 83.93% of LTR cases and 96.59% of PCTR cases. However, the difference was not statistically significant (p = 0.47). Failed decannulation in both groups was associated with factors such as neurological disorders, severe airway scarring, and coexisting airway anomalies. PCTR demonstrated slightly better functional outcomes in voice and swallowing, whereas LTR was associated with a higher risk of restenosis and revision surgeries.

Conclusion

Both LTR and PCTR are viable options for moderate-grade pediatric subglottic stenosis, with comparable decannulation success rates. PCTR may offer advantages in functional outcomes, but further research with standardized reporting is necessary to establish an optimal surgical approach.

Level of Evidence

II