Hip Pelvis.  2017 Sep;29(3):155-158. 10.5371/hp.2017.29.3.155.

Acetabular Cup Revision

• Kim YH

• KMID: 2389520
• DOI: http://doi.org/10.5371/hp.2017.29.3.155

Abstract

The use of acetabular cup revision arthroplasty is on the rise as demands for total hip arthroplasty, improved life expectancies, and the need for individual activity increase. For an acetabular cup revision to be successful, the cup should gain stable fixation within the remaining supportive bone of the acetabulum. Since the patient's remaining supportive acetabular bone stock plays an important role in the success of revision, accurate classification of the degree of acetabular bone defect is necessary. The Paprosky classification system is most commonly used when determining the location and degree of acetabular bone loss. Common treatment options include: acetabular liner exchange, high hip center, oblong cup, trabecular metal cup with augment, bipolar cup, bulk structural graft, cemented cup, uncemented cup including jumbo cup, acetabular reinforcement device (cage), trabecular metal cup cage. The optimal treatment option is dependent upon the degree of the discontinuity, the amount of available bone stock and the likelihood of achieving stable fixation upon supportive host bone. To achieve successful acetabular cup revision, accurate evaluation of bone defect preoperatively and intraoperatively, proper choice of method of acetabular revision according to the evaluation of acetabular bone deficiency, proper technique to get primary stability of implant such as precise grafting technique, and stable fixation of implant are mandatory.

Keyword

Hip; Arthroplasty; Replacement; Reoperation; Hip prosthesis

MeSH Terms

Acetabulum*
Arthroplasty
Arthroplasty, Replacement, Hip
Classification
Hip
Hip Prosthesis
Life Expectancy
Methods
Reoperation
Transplants

Figure

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  Fig. 1 Treatment algorithm for management of acetabular bone defect.

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