假体周围骨折的分型与治疗方案 ppt课件
Increasing Numbers
More Arthroplasties More Internal Fixation
Osteoporotic Fractures More Independent Elderly More Revisions
Incidence Increasing
Decreased bone strength Perforations Loose stem Osteolysis Stress risers
Screw holes
Treatment Goals
United Fracture Anatomic Alignment Stable Prosthesis Early Mobilization Return To Previous
Berry et. al. 2007
“…it is becoming a little bit of a mini epidemic.” D. Berry, MD
Intraoperative Fracture
Cemented Hip Stem
< 1% incidence of fracture
Cementless Implant Revision Surgery Decreased Bone Strength
Osteoporosis Ra
Deformity Surrounding Implant
Intraoperative Fracture Treatment
Fracture Proximal To Lesser Trochanter
Conclusions
Vancouver Classification Helpful in Treatment Decisions Indirect Reduction If Plate Used Cables and Onlay Grafts Helpful Think LONG on Plates and Nails Always Think of the Next Operation