This study is a prospective, randomized, parallel-group clinical trial comparing videolaryngoscope and videoLMA for endotracheal intubation in adult patients undergoing surgery. Patients will be randomly assigned into two groups. The primary outcome is intubation time. Secondary outcomes include first attempt success rate, number of attempts, oxygen desaturation, hemodynamic changes, and postoperative complications.
Airway management is a critical component of anesthesia practice. Videolaryngoscopes and videoLMA devices are widely used tools for endotracheal intubation. While videolaryngoscopes provide improved visualization of the glottis, videoLMA devices can facilitate both airway management and guided intubation. In this prospective randomized study, 100 patients will be assigned to either videolaryngoscope or videoLMA groups. Standard anesthesia induction will be applied. Intubation time, success rates, hemodynamic responses, and complications will be recorded and analyzed.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
100
Patients undergoing endotracheal intubation using videolaryngoscope
Patients undergoing endotracheal intubation using videoLMA
Intubation Time
Time from insertion of the airway device into the patient's mouth until successful placement of the endotracheal tube, confirmed by continuous capnography.
Time frame: From insertion of the airway device to confirmation of endotracheal tube placement (during anesthesia induction, within approximately 0-5 minutes)
First Attempt Success
Successful placement of the endotracheal tube on the first attempt without the need for additional airway maneuvers.
Time frame: During first intubation attempt (within 0-2 minutes)
Number of Attempts
Total number of attempts required to achieve successful endotracheal intubation.
Time frame: During intubation procedure (within approximately 0-10 minutes
Oxygen Desaturation
Occurrence of oxygen desaturation defined as peripheral oxygen saturation (SpO₂) below 92% during the intubation procedure.
Time frame: During intubation procedure (from induction until successful intubation, approximately 0-10 minutes)
Heart rate
changes in heart rate measured at predefined time points
Time frame: At baseline (pre-induction), immediately after intubation, and at 1, 3, and 5 minutes post-intubation
Postoperative Sore Throat
Presence of sore throat assessed using a standardized patient-reported scale.
Time frame: At postoperative 1 hour and 2 hours
Hoarseness
Presence of voice changes (hoarseness) assessed based on patient self-report.
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Time frame: At postoperative 1 hour and 2 hours
Complications
Occurrence of airway-related complications including mucosal injury, dental trauma, or esophageal intubation observed during the procedure.
Time frame: During intubation and intraoperative period (approximately 0-60 minutes)
mean arterial pressure
changes in mean arterial pressure measured at predefined time points
Time frame: baseline, post intubation,1,3,5 min