App helps improve pain control and reduce opiate use after surgery

(ESA (European Society of Anaesthesiology)) Patients who underwent total knee replacement and used a smartphone app (PainCoach) at home after surgery consistently reduced opiate painkiller use and improved pain control, according to new research being presented at this year's Euroanaesthesia Congress (the annual meeting of the European Society of Anaesthesiology) in Vienna, Austria (June 1-3).