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Published on: December 1, 2023
Prevalence and Management of Laryngomalacia in Patients With Pierre Robin Sequence
Anna E Bakeman1,2, Amber D Shaffer1, Allison B J Tobey1,2
1UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA.
Insights
Laryngomalacia affects over half of Pierre Robin Sequence patients and is linked to aspiration. Supraglottoplasty did not significantly improve airway obstruction, but mandibular distraction did.
Area of Science:
- Pediatric Otolaryngology
- Craniofacial Anomalies
- Airway Management
Background:
- Pierre Robin Sequence (PRS) is a complex congenital condition characterized by micrognathia, glossoptosis, and airway obstruction.
- Laryngomalacia is a common cause of stridor in infants, and its prevalence and impact in PRS patients require further characterization.
- Understanding the interplay between PRS, laryngomalacia, and treatment efficacy is crucial for optimizing patient outcomes.
Purpose of the Study:
- To determine the prevalence and clinical presentation of laryngomalacia in a cohort of patients with Pierre Robin Sequence.
- To evaluate the efficacy of supraglottoplasty (SGP) and mandibular distraction osteogenesis (MDO) in managing airway obstruction in PRS patients with laryngomalacia.
Main Methods:
- A retrospective cohort study was conducted at a tertiary-care children's hospital.
- Data from 126 consecutive PRS patients (born 2010-2018) were reviewed, including demographics, comorbidities, and surgical interventions.
- Airway obstruction was assessed using sleep study data (apnea-hypopnea index [AHI] and obstructive AHI [OAHI]) and modified barium swallow studies.
Main Results:
- Laryngomalacia was present in 51% of the PRS cohort.
- Patients with concurrent PRS and laryngomalacia were more likely to exhibit submucous cleft palate and aspiration with cough.
- Mandibular distraction osteogenesis significantly reduced AHI and OAHI (median improvement of 22.3 and 19.8, respectively; P<.002).
- Supraglottoplasty alone did not yield significant improvements in AHI or OAHI (P>.06).
Conclusions:
- Laryngomalacia is highly prevalent in Pierre Robin Sequence patients and associated with increased aspiration risk.
- Mandibular distraction osteogenesis is an effective treatment for improving airway obstruction in PRS patients with laryngomalacia.
- Laryngomalacia should not be considered a contraindication for pursuing mandibular distraction osteogenesis in this population.
Objective:
To characterize the prevalence and presentation of laryngomalacia and efficacy of supraglottoplasty (SGP) in a cohort of patients with Pierre Robin Sequence (PRS).
Design:
Retrospective cohort study.
Setting:
Tertiary-care children's hospital.
Patients, Participants:
Consecutive patients with PRS born between January 2010 and June 2018.
Main Outcome Measures:
Chart review included demographics, comorbid airway obstruction including laryngomalacia, timing of surgical interventions, clinical symptoms, sleep study data, and modified barium swallow study data.
Abstract:
126 patients with PRS were included; 54% had an associated syndrome, 64% had an overt cleft palate, and 22% had a submucous cleft palate. 64/126 were noted to have laryngomalacia (51%). Patients with concurrent PRS and laryngomalacia were significantly more likely to have submucous cleft palate (P = .005) and present with aspiration with cough (P = .01) compared to patients with PRS without laryngomalacia. Patients with concurrent laryngomalacia and PRS showed a significant decrease in apnea-hypopnea index (AHI) and obstructive AHI (OAHI) after mandibular distraction, with a median AHI and OAHI improvement of 22.3 (P = .001) and 19.8 (P = .002), respectively. Patients who underwent only SGP did not show significant improvement in these parameters (P = .112 for AHI, P = .064 for OAHI).
Abstract:
The prevalence of laryngomalacia in our PRS cohort was 51%. Patients with PRS and laryngomalacia are more likely to present with overt aspiration compared to patients with PRS without laryngomalacia. These data support that laryngomalacia does not appear to be a contraindication to pursuing MDO.
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