Joseph D. Tobias

This study looks at how two common monitoring tools—one that measures blood pressure changes and one that measures oxygen levels—change when a child is moved from lying on their back to lying on their stomach during surgery. About 100 children having surgery with general anesthes…

This study was designed to see if a special saltwater solution (buffered 2% hypertonic saline) is better than standard fluids for children and teens having spine surgery for scoliosis. The goal was to compare how the body's acid-base balance and electrolyte levels changed during …

This study was designed to see if the amount of air set on a breathing machine during children's surgery matches the actual air moving in and out of the lungs. Researchers planned to use a small sensor to measure airflow and compare it to the machine's settings. However, the stud…

This study looks at how moving a patient's body position during scoliosis surgery changes oxygen levels in the brain. Researchers will use a non-invasive light device on 50 teens aged 10-21. The goal is to learn how different head elevations affect brain oxygenation, which could …