About this trial
This prospective, randomized clinical trial aims to evaluate the effect of preoperative nebulized lidocaine and nebulized 3% hypertonic sodium chloride (NaCl) on the incidence of postoperative respiratory complications in pediatric patients undergoing adenoidectomy and/or adenotonsillectomy. Lidocaine, a versatile sodium channel blocker, has shown antitussive, bronchodilatory, and anti-inflammatory benefits when nebulized, and has been safely used in children for respiratory procedures. Hypertonic 3% NaCl is known to improve mucociliary clearance, reduce airway edema, and enhance secretion mobilization, particularly in pediatric respiratory conditions. Both agents have demonstrated individual safety and efficacy in respiratory management, yet their preoperative nebulized use for preventing postoperative respiratory adverse events (PRAEs) in pediatric airway surgery has not been previously studied. This trial seeks to determine whether preoperative nebulization with these agents can reduce postoperative respiratory complications, improve recovery, and enhance perioperative safety in this high-risk population.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients who agree to participate in the study
Patients undergoing adenoidectomy or adenotonsillectomy
Patients with ASA physical status 1-2
Children aged 18 months to 16 years
Disqualifiers
Patients who do not agree to participate in the study
Patients with allergy to lidocaine or 3% NaCl
Patients with ASA physical status 3-4
Patients whose surgery duration exceeds 1 hour
Trial design
Parallel
Treatments tested in this trial
Nebulize Lidocaine
DrugPreoperative administration of lidocaine via nebulization at 0.2 ml/kg to reduce postoperative respiratory complications.
Nebulize %3 Sodium Chloride
DrugPreoperative administration of 3% hypertonic saline via nebulization at 0.2 ml/kg to reduce postoperative respiratory complications.
Treatment groups
Trial outcomes
Primary outcomes
Effect of Preoperative Nebulized Lidocaine and 3% NaCl on postoperative deoxygenation
To determine which preoperative nebulized treatment (lidocaine or 3% hypertonic saline) has a beneficial effect on at least one postoperative respiratory complication-postoperative deoxygenation in pediatric patients undergoing adenoidectomy and/or adenotonsillectomy. An oxygen saturation value of ≤94% lasting for more than 2 minutes will be considered oxygen desaturation.
Secondary outcomes
Effect of Preoperative Nebulized Lidocaine and 3% NaCl on cough
To determine which preoperative nebulized treatment (lidocaine or 3% hypertonic saline) has a beneficial effect on at least one postoperative respiratory complication-cough in pediatric patients undergoing adenoidectomy and/or adenotonsillectomy. Postoperative cough will be assessed using a 4-point cough severity scale (0 = no cough, 1 = mild intermittent cough, 2 = frequent cough, 3 = severe or persistent cough). A score ≥2 will be considered clinically significant.
Effect of Preoperative Nebulized Lidocaine and 3% NaCl on bronkospasm
To determine which preoperative nebulized treatment (lidocaine or 3% hypertonic saline) has a beneficial effect on at least one postoperative respiratory complication-bronkospasm in pediatric patients undergoing adenoidectomy and/or adenotonsillectomy. Bronchospasm will be assessed using a 4-point bronchospasm severity scale: 0 = no bronchospasm; 1 = mild wheezing without increased respiratory effort; 2 = moderate bronchospasm with increased respiratory effort and audible wheezing; 3 = severe bronchospasm with marked respiratory distress, significant desaturation, or silent chest. A score ≥2 will be considered clinically significant.
Locations
Sponsors and contacts
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