Revision Total Hip Arthroplasty Using a Modular Femoral Implant in Paprosky Type III and IV Femoral Bone Loss

Abstract The purpose of this study was to compare results of patients with Paprosky type I and II femoral defects vs type IIIA, IIIB, and IV defects in patients undergoing revision hip arthroplasty. There were 64 patients in the group with type I and II defects with an average age of 68 years. There...

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Bibliographic Details
Published in:The Journal of arthroplasty 2012-09, Vol.27 (8), p.1492-1498.e1
Main Authors: Desai, Rasesh R., MD, Malkani, Arthur L., MD, Hitt, Kirby D., MD, Jaffe, Fredrick F., MD, Schurman, John R., MD, Shen, Jianhua, MS
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Arthroplasty, Replacement, Hip - methods
Bone Resorption - surgery
Female
Femur
Hip Prosthesis
Humans
Male
Middle Aged
modular femoral stem
Orthopedics
Paprosky type III and IV defect
Postoperative Complications - surgery
Prospective Studies
Prosthesis Design
Reoperation - instrumentation
revision THA
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Summary:Abstract The purpose of this study was to compare results of patients with Paprosky type I and II femoral defects vs type IIIA, IIIB, and IV defects in patients undergoing revision hip arthroplasty. There were 64 patients in the group with type I and II defects with an average age of 68 years. There were 52 patients with Paprosky type IIIA, IIIB, and IV defects with an average age of 67 years. There were 8 intraoperative fractures in the type III and IV group, whereas there were 9 in the type I and II group. There were no differences between the 2 groups with respect to subsidence, loosening, dislocation, infection, and medical complications. Survivorship for the whole group was 96.9% at 5 years. Modular femoral implants provide several intraoperative options to restore leg length, offset, and stability despite femoral defects. We did not realize a higher failure rate in patients with type III or IV defects.
ISSN:0883-5403
1532-8406
DOI:10.1016/j.arth.2012.03.039