No more needles? new study tests Light-Based hemoglobin monitoring in Kids' brain surgery

This study tested whether a non-invasive device that uses light (pulse co-oximetry) can accurately measure hemoglobin levels in children undergoing brain or spine surgery, compared to the standard method of drawing blood from an artery. The goal was to see if this painless, continuous monitoring could replace repeated needle sticks. The study included 60 children from newborns to teenagers.