Abstract
An 83-year-old female sustained a right femoral interprosthetic fracture following a fall, She had a high BMI with a background history of ischaemic heart disease and type II diabetes. She was placed in a Thomas splint and underwent surgical fixation with a plate on the following trauma list.
Highlights
Interprosthetic (IP) femur fractures occur between a total hip arthroplasty (THA) and a total knee arthroplasty (TKA) and complicate approximately 1.25% to 8.8% of ipsilateral hip and knee arthroplasties [1].More recent reports estimate the risk to be about 5-7% of all periprosthetic fractures [2].Regarding interprosthetic distance, there is no clear consensus on how far apart hip and knee stems should be to mitigate fracture risk
She was non-weight bearing for six weeks before partial weight bearing was commenced when callus appeared on X-ray
Type I and II fractures are further subdivided into groups A, B, C, and D
Summary
Interprosthetic (IP) femur fractures occur between a total hip arthroplasty (THA) and a total knee arthroplasty (TKA) and complicate approximately 1.25% to 8.8% of ipsilateral hip and knee arthroplasties [1].More recent reports estimate the risk to be about 5-7% of all periprosthetic fractures [2].Regarding interprosthetic distance, there is no clear consensus on how far apart hip and knee stems should be to mitigate fracture risk. She was non-weight bearing for six weeks before partial weight bearing was commenced when callus appeared on X-ray. At six months good callus was evidenced and she was fully weight bearing. Interprosthetic (IP) femur fractures occur between a total hip arthroplasty (THA) and a total knee arthroplasty (TKA) and complicate approximately 1.25% to 8.8% of ipsilateral hip and knee arthroplasties [1].
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