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Published on: August 2, 2024
Acute laryngeal lesions following endotracheal intubation: Risk factors, classification and treatment
Cláudia Schweiger1, Denise Manica2
1Otolaryngology Unit, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil; Programa de Pós-Graduação em Saúde da Criança e do Adolescente, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil.
Insights
Laryngeal stenosis, a severe complication of pediatric intubation, can be prevented by managing risk factors like sedation and intubation duration. Early treatment of acute laryngeal lesions is crucial to avoid chronic issues.
Area of Science:
- Pediatric Otolaryngology
- Critical Care Medicine
- Airway Management
Background:
- Laryngeal stenosis is a serious complication following airway intubation in children, often necessitating tracheostomy.
- Effective prophylaxis, including managing risk factors and treating acute post-extubation laryngeal lesions, is vital to prevent chronic stenosis.
Purpose of the Study:
- To review risk factors for acute laryngeal injury during intubation, focusing on sedation and duration.
- To discuss existing classification systems for laryngeal injuries, including the novel Classification of Acute Laryngeal Injuries (CALI).
- To explore treatment strategies for individual laryngeal lesions and their long-term outcomes.
Main Methods:
- Review of existing medical literature on laryngeal stenosis and acute laryngeal injury.
- Emphasis on risk factors such as sedation levels and duration of intubation.
- Discussion of the Classification of Acute Laryngeal Injuries (CALI) and its predictive value.
Main Results:
- Sedation level and intubation time are significant risk factors for acute laryngeal lesions.
- The CALI system shows positive predictive value for developing chronic laryngeal lesions.
- Endoscopic treatments yield good results, but optimal management strategies require further investigation.
Conclusions:
- Modifiable risk factors and timely management of acute laryngeal lesions are key to preventing pediatric laryngeal stenosis.
- The CALI system aids in predicting chronic injury development.
- Further research is needed to establish definitive treatment guidelines for various laryngeal lesions.
Abstract:
Laryngeal stenosis is certainly one of the most severe complications of airway intubation in children, eventually leading to tracheostomy and sometimes to additional surgical procedures. Primary prophylaxis through modification of its risk factors and secondary prophylaxis through the management of post-extubation laryngeal acute lesions seem to be key to avoidance of this fearful complication. The present article addresses known risk factors for the development of laryngeal acute lesions with emphasis on sedation level and intubation time. It also discusses available classification systems proposed in medical literature, especially the Classification of Acute Laryngeal Injuries (CALI) conceived by our research group, and its positive predictive value for the development of chronic lesions. Finally, debate focuses on treatment of each individual lesion. Despite excellent results observed with endoscopic methods for treating these lesions, there is still doubts pending over their management, and there is need for further studies to define adequate treatment for each patient and for each type of lesion.
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