The aim of this study is to investigate the positive effects of high-flow oxygen therapy on the reduction of airway adverse events and recovery time compared to conventional nasal oxygen therapy in pediatric burns treated with procedural sedoanalgesia.
High flow nasal cannula oxygenation (HFNCO) has gained popularity in pediatric anesthesia practice. The basic mechanism of HFNCO involves reducing metabolic cost and work of breathing, decreasing nasopharyngeal resistance, and improving gas conditioning and secretion clearance. Heating and humidifying the oxygen administered make it easier for patients to tolerate high flow. The flow rate can be adjusted for all age groups. However, there are no studies in the literature investigating the effectiveness of HFNCO during procedural sedation in pediatric burn patients. This randomized prospective study was performed in 50 patients aged 1-14 years in the pediatric burn unit. Patients were divided into two groups as Group HFO: High flow oxygen (n: 25) and Group NC: nasal cannula oxygen (n: 25). Age, sex, burn percentage, concomitant diseases, ASA score, BMI (body mass index), respiratory and hemodynamic parameters, recovery time and presence of complications during sedoanalgesia were recorded.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
DOUBLE
Enrollment
50
The initial flow rate for nasal cannula oxygen was set at 3 L/min. In cases of hypoxia, the oxygen concentration was adjusted by increasing the flow rate by 1 to 2 L/min.
The high-flow nasal oxygenation device was set to a temperature of 36°C and an FiO2 of 0.4. The initial oxygen flow rate for the high flow group was determined according to the age and weight of the patients, based on our pediatric intensive care team's guidelines and the reference from the Slain study. When SpO2 fell below 94%, it was considered hypoxia, and the flow rate was increased by 2 to 4 L/min.
Sedation was done with IV midazolam 0.025 to 0.1 mg/kg, IV ketamine 0.25 to 0.5 mg/kg, and IV propofol (1%) 0.25 to 0.5 mg/kg
Umraniye Education and Research hospital
Istanbul, Turkey (Türkiye)
Heart rate in beats per minute
Heart rate in beats per minute using ECG leads will be measured intraoperatively and postoperatively
Time frame: Intraoperative measurements will be taken at 0, 5, 15, 20 minutes and Postoperative measurements will be taken at 0, 5, and 10 minutes
Respiratory rate in breaths per minute
Respiratory rate in breaths per minute will be measured intraoperatively and post-operatively
Time frame: Intraoperative measurements will be taken at 0, 5, 15, 20 minutes and Postoperative measurements will be taken at 0, 5, and 10 minutes
SpO2 in percentage
SpO2 in percentage will be measured intraoperatively and post-operatively
Time frame: Intraoperative measurements will be taken at 0, 5, 15, 20 minutes and Postoperative measurements will be taken at 0, 5, and 10 minutes
End-tidal CO2 in mmHg
End-tidal CO2 in mmHg will be measured intraoperatively and post-operatively
Time frame: Intraoperative measurements will be taken at 0, 5, 15, 20 minutes and Postoperative measurements will be taken at 0, 5, 10 minutes and at recovery time60 minutes
Oxygen flow levels in Liters per minute
Oxygen flow levels in Liters per minute will be measured intraoperatively
Time frame: Intraoperative measurements will be taken at 0, 5, 15, 20 minutes
Need for oxygen assessed by SpO2
Need for oxygen assessed by SpO2 measured in percentage intraoperatively and post-operatively. SpO2 \<94% is considered desaturation
Time frame: Intraoperative measurements will be taken at 0, 5, 15, 20 minutes and Postoperative measurements will be taken at 0, 5, and 10 minutes
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Sedation maintenance was done by propofol 0.5 to 1 mg/kg/h
Need for oxygen assessed by Near-Infrared Spectroscopy (NIRS)
Need for oxygen assessed by Near-Infrared Spectroscopy (NIRS) measured intraoperatively. 20% drop from the individual's baseline will be considered desaturation
Time frame: Intraoperative measurements will be taken at 0, 5, 15, 20 minutes