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. 2015 Jun;30(6):1024-9.
doi: 10.1016/j.arth.2015.01.001. Epub 2015 Jan 10.

Trabecular Metal Augments for the Management of Paprosky Type III Defects Without Pelvic Discontinuity

Guido Grappiolo  1 , Mattia Loppini  2 , Umile Giuseppe Longo  2 , Francesco Traverso  1 , Giuseppe Mazziotta  1 , Vincenzo Denaro  2
Affiliations

Trabecular Metal Augments for the Management of Paprosky Type III Defects Without Pelvic Discontinuity

Guido Grappiolo et al. J Arthroplasty. 2015 Jun.

Abstract

Fifty-five hips undergoing acetabular reconstruction with trabecular metal (TM)-coated cup and TM augments were reviewed at an average follow up of 53.7 months (36-91). Bony defects were Paprosky type IIIA in 42 and type IIIB without pelvic discontinuity in 13 hips. The average HHS increased from 40 (27-52) preoperatively to 90.5 (61-100) postoperatively (P<0.0001). Four (7.3%) of 55 hips underwent acetabular components revision: three cases of loosening (5.4%), and one of recurrent instability (1.8%) were reported. Survival rate at 2 and 5 years was 96.4% and 92.8%. In conclusion, the use of TM-coated cups and augments could be considered an effective management of Paprosky type III defects without pelvic discontinuity providing good clinical and radiographic outcomes in the mid term.

Keywords: acetabular reconstruction; augment; bone defect; total hip arthroplasty; trabecular metal.

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