Authors Robert V O'Toole MD,FAAOS; Zachary Hannan BS; Phillip McKegg BA; Manjari Joshi ; Nathan N O'Hara MHA; Sheila Sprague PhD; Gerard Slobogean MD, MPH, FAAOS, FRCSC; PREP-IT Investigators MD Year 2020 Files Does the Addition of 1200 mg of Topical Tobramycin Powder Increase the Risk of Renal Failure?