New dosing method may better prevent infections in overweight surgery patients

This study looked at how to best dose an antibiotic (cefazolin) in overweight patients having surgery to prevent infections. Researchers compared the standard method (dosing based on body weight) with a new method (dosing based on body composition from CT scans). They measured antibiotic levels in blood and fat tissue to see which method worked better. The study involved 57 overweight adults and found that body composition-based dosing may improve antibiotic effectiveness.