Pires et al reported a classification for interprosthetic femoral fractures. The authors are from Federal University of Minas Gerais in Brazil.
Patient selection: interprosthetic femoral fracture with stemmed femoral prosthesis and knee prosthesis
Categories:
(I) unstemmed knee prosthesis and fracture mid to upper femur ("surrounding hip")
(II) unstemmed knee prosthesis and fracture lower femur ("surrounding knee")
(III) stemmed knee prosthesis
Hip Prosthesis
Knee Prosthesis
Category I
stable
IA
unstable
IB
IC
ID
Category II
Bone Between
Category III
viable
IIIA
nonviable
IIIB
stable or unstable
unstable or stable
IIIC
IIID
For IIIC and IIID, one or both of the prostheses is unstable
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Specialty: Surgery, orthopedic, Emergency Medicine
