Abstract
Objective: Traditionally, laser supraglottoplasty for the treatment of severe laryngomalacia (SLM) is via rigid endoscopy (RE) with general anesthesia. This study was designed to evaluate the safety and efficacy of the technique of laser supraglottoplasty via flexible endoscope (FE) in the treatment of infantile SLM.Methods: A two-year (2008-2009) prospective study of consecutive infants suffering with SLM was conducted. All the candidate infants were treated with the potassium-titanylphosphate (KTP) laser via a FE after their diagnostic FE under intravenous sedation without any artificial airway. Infants’ clinical variables and prognosis were evaluated. Results: A total of 30 infants were enrolled. Mean age and body weight was 2.5 (±1.2) months and 3.6 (±0.9) kg, respectively. The laser FE was performed 12 (±2.5) minutes after the diagnostic FE and the procedure duration was 16 (±4.2) minutes. No intra-or postoperative complications were observed. Total post-laser hospital day was 6.9 (±1.8) days. Prognosis at the 12-weeks later revealed that 28 infants (93.3%) demonstrated significant clinical improvement without any further stridor. Conclusions: Our study suggests that the supraglottoplasty of FE laser is a convenient, safe (100%) and effective (93.3%) technique. It seems to be an appropriate therapy for treatment of SLM in infants.
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