Endotracheal intubation under video laryngoscopic guidance during upper gastrointestinal endoscopic surgery in the left lateral position: A randomized controlled trial.
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BACKGROUND
Patients undergoing upper gastrointestinal endoscopic surgeries are generally placed in the left lateral position and require endotracheal intubation to maintain airway patency. We conducted a prospective, randomized, controlled study to evaluate the feasibility of intubation under video laryngoscopic guidance in the left lateral position during upper gastrointestinal endoscopic surgery.
METHODS
We compared the data of patients (n = 120) who underwent intubation under video laryngoscopic guidance in the supine or left lateral position. Patients in Group S (n = 59) were initially placed in the supine position and then shifted to the left lateral position after airway establishment. Patients in Group L (n = 61) were placed in the left decubitus position during both induction and intubation. Laryngoscopic view, intubation time, success rate, hemodynamic changes, adverse effects, and complications of intubation were compared between the groups.
RESULTS
The 2 groups showed no difference in terms of time required for intubation (Group L, 23.95 ± 4.43 seconds and Group S, 23.44 ± 4.78 seconds; P = .545) and number of intubation attempts. Further, the overall rate of intubation success was 100% in both groups. However, Group S exhibited significant hemodynamic changes during shift of decubitus (P < .001) and severe sore throat (P = .030). The incidences of other adverse effects such as productive cough, dryness of mouth, hoarseness, oral mucosal injury, dental injury, and hypoxia in the 2 groups were comparable.
CONCLUSIONS
We concluded that intubation in the lateral position under video laryngoscopic guidance is safe and feasible performed in the left lateral position and prevents the hemodynamic change and sore throat resulting from change in decubitus.
