Comparing imaging and tools for safe breathing tube placement in larger adults

This study is testing whether using ultrasound to look at the airway before surgery—combined with modern viewing tools for placing breathing tubes—can help anesthesiologists safely intubate obese patients during surgery. Researchers will compare three different devices used to place breathing tubes: two newer video laryngoscopes (Besdata and Tuoren) and one traditional laryngoscope (Macintosh). The goal is to see which combination of ultrasound imaging and intubation tools works best and causes the fewest complications.

Placing breathing tubes in patients with obesity can be unexpectedly difficult, even when doctors use standard tests to predict problems beforehand. Ultrasound imaging is objective and reliable, and newer video devices show the airway more clearly than traditional tools—but researchers want to confirm these approaches actually improve safety and success rates in obese patients.