Endoscopic Screening for Laryngotracheal Complications in Children Following Prolonged Mechanical Ventilation Maintained Through Endotracheal Intubation: A Cross-Sectional Pilot Project.
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Abstract
Background: An endoscopic screening program following successful weaning from prolonged mechanical ventilation maintained through endotracheal tube (ET; prolonged intubation) may be justified to assess the upper (laryngotracheal) airway in children who may not always be symptomatic for intubation-related complications.
Objectives: To evaluate effects of prolonged intubation in children through endoscopic screening of the laryngotracheal airway.
Methods: In this cross-sectional pilot project, children (2 months-12 years) successfully extubated following prolonged intubation were selected, irrespective of having symptoms, for a 1-time flexible nasolaryngoscopy at third to sixth month post-extubation (follow-up window). Laryngotracheal airway changes, if present, were noted.
Results: Out of 122 children, 42 developed symptoms of complications. Five of them attended within 3 months post-extubation, the rest were evaluated in the follow-up window. Eighty children aged ≤6 years and 4 children >6 years were intubated with uncuffed ET. Symptoms, when present, included respiratory distress (100%), noisy breathing (~36%), cough (~29%), and dysphagia (~12%). Screening revealed positive findings in 40 out of 42 symptomatic children, and in 8 out of 80 asymptomatic children (χ2 = 80.314; after Yate's correction; significant at P < .0001). The commonest lesion was subglottic stenosis (~54%) and intubation granuloma (~48%). Relationship between the nature of ET (cuffed/uncuffed) and complications of prolonged intubation was statistically significant (χ246.553; significant at P < .0001).
Conclusion: The present study proposes the potential utility of follow-up endoscopic screening of upper (laryngotracheal) airway in children successfully weaned from prolonged intubation. A statistically significant relationship existed between prolonged intubation and upper airway complications that were not always symptomatic.
期刊介绍：
The Annals of Otology, Rhinology & Laryngology publishes original manuscripts of clinical and research importance in otolaryngology–head and neck medicine and surgery, otology, neurotology, bronchoesophagology, laryngology, rhinology, head and neck oncology and surgery, plastic and reconstructive surgery, pediatric otolaryngology, audiology, and speech pathology. In-depth studies (supplements), papers of historical interest, and reviews of computer software and applications in otolaryngology are also published, as well as imaging, pathology, and clinicopathology studies, book reviews, and letters to the editor. AOR is the official journal of the American Broncho-Esophagological Association.
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