extreme ectasia of the femoral diaphysis secondary to loosening of a long wagner stem case report
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Extreme ectasia of the femoral diaphysis secondary to loosening of a long Wagner stem Case report R. Ganz Dept. Orthopaedic Surgery University of Berne Switzerland. Ortho Uni Berne. 62 y old female referred for treatment of failed THA - PowerPoint PPT PresentationTRANSCRIPT
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Extreme ectasia of the femoral diaphysis
secondary to loosening of a long Wagner stem
Case report
R. Ganz
Dept. Orthopaedic Surgery
University of Berne
Switzerland
Ortho Uni Berne
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62 y old female referred for treatment of failed THA
At the age of 14 hip arthrodesis after several
operations for DDH on the right side
At the age of 24 corrective osteotomy for malunion of
the arthrodesis
Ortho Uni Berne
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Ortho Uni Berne
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At the age of 54 conversion of the arthrodesis in a
non-cemented THA (Wagner revision stem)
Ortho Uni Berne
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Ortho Uni Berne
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At the age of 57 ipsilateral TKA although the
femoral component of the THA is loose
Ortho Uni Berne
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Ortho Uni Berne
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Ortho Uni Berne
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At the age of 62 the patient is wheel chair
dependent.
The right hip is telescoping with variable
shortening from 5 to 8 cm.
Hip and thigh are very painful.
Knee motion is restricted to 20° of flexion to full
extension.
There is impressive expansion of the medullary
canal and market thinning of the cortical bone.
Sclerotic obliteration of the medullary canal
distal to the expansion.
Ortho Uni Berne
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Ortho Uni Berne
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Ortho Uni Berne
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Ortho Uni Berne
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Ortho Uni Berne
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Surgical plan
Ortho Uni Berne
Transfemoral approach
Revision acetabular component
Inside out osteotomy of the ectasic femur
into longitudinal strips
Cutting of the distal junction of the strips
with normal femoral shaft
Opening the sclerotic medullary cup and
reaming distal cavity
Insertion largest available Wagner stem
Three level wire cerclage of the strips onto
the prothesis
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Ortho Uni Berne
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Ortho Uni Berne
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Ortho Uni Berne
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Ortho Uni Berne
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Result at two years
Ortho Uni Berne
Consolidation femoral bone around prothesis
Prothesis well fixed
Leg shortening 2 cm
Hip motion reduced by 30%
Knee flexion improved from 20° to 30°
Patient needs a cane and is pain-free
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Ortho Uni Berne
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Ortho Uni Berne
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Ortho Uni Berne