Beniyas Minda, Girma Bekele, Solomon Hailemeskel, Abera Lambebo
Determinants of low birth weight among newborns delivered in public hospitals of North Shewa Zone, Amhara region, Ethiopia: A case-control study (2023)
PloS one
background purpose gaining experience surgery room residency important part learning skills needed perform arthroplasties however practice patients often fully comfortable trainee involvement surgery therefore investigated complications revision rates mortality operative time orthopedic surgeons residents primary surgeon performing total knee arthroplasties tkas total hip arthroplasties thaspatients methods multicenter retrospective cohort study 3098 tkas 4027 thas performed 2007 2013 analyzed complications revisions mortality operative time compared patients operated orthopedic surgeon resident primary surgeon additional analysis performed determine whether complication risk affected postgraduate year residentresults orthopedic complication rates similar tka orthopedic surgeon 10 resident 11 tha 9 8 revision rates tka 3 2 tha 3 2 mortality rates tka 01 03 tha 02 03 procedures higher nonorthopedic complication rate found resident group tka 8 10 p 003 tha 8 10 p 001 slightly longer operative time tka mean difference 90 minutes 8 tha 113 minutes 11interpretation complications revisions mortality similar tkas thas performed resident primary surgeon compared surgeries performed orthopedic surgeon data used teaching hospitals may help reassure patients