Joseph D. Tobias

This study tests whether a bedside ultrasound can reliably show that the stomach is empty in critically ill children who are fed through a tube. The goal is to lower the risk of stomach contents backing up into the lungs (aspiration) and to reduce how often feedings must be stopp…

This study looked at how a device called TetraGraph can help doctors measure muscle relaxation in children during surgery. The goal was to find the right amount of a muscle relaxant drug (rocuronium) needed to keep the patient still but safe. Fifty children under 18 took part, an…

This completed study tested a new device called the TetraGraph, which measures muscle recovery during surgery using electrical signals, in 50 infants under 1 year old. The goal was to see if it works better than the standard visual check doctors use. If accurate, it could help do…

This study tested whether a pulse oximeter placed in the throat (oropharynx) can accurately measure blood oxygen levels during surgery. Researchers compared readings from the throat sensor to standard finger or toe sensors and to blood tests. The goal was to see if this new appro…