Bevel Position and Its Effect on Success of Intubation Through Intubating Laryngeal Mask Airway

Background: The bevel position of tracheal tube (TT) affects the success rate while using intubating laryngeal mask airway (ILMA). present study compared intubation on basis anterior and posterior conventional polyvinylchloride (PVC) through an ILMA. Methods: Two hundred adult ASA I or II patients, having Mallampati class 1 2 airway, undergoing elective surgery under general anesthesia were included in study. Patients randomized two groups based intubating. If proper was established within 3 insertion attempts considered successful. Results: Successful achieved 191/200 patients (95.5%). There higher first attempt group (88.6% vs 65.5%, relative risk ratio 1.418, 95% C.I. 1.18-16.8; p= 0.00006). similar overall between (97.0% 94.0%, 1.03, 0.97-1.10; p=0.5). Conclusion: Tracheal successful 95.5% ILMA PVC tube. Success both groups. Bevel had intubation.