PURPOSE: Modular acetabular reconstructive cups have been introduced in an attempt to offer initial rigid fixation by iliac lag screws and ischial pegs, to support bone grafts with a flanged metal socket, and to restore original hip center in acetabular revision. The purpose of this study was to clarify minimum ten year follow-up results of this cup system with morsellised allografts in revision cases. METHODS: We retrospectively investigated 54 acetabular revisions at a mean of 11 years (range, ten to 14 years). The indications were Paprosky's type 2B (eight hip), 2C (eight hips), 3A (23 hips), 3B (nine hips), and 4 (six hips). RESULTS: Using aseptic loosening as the endpoints, the survival rate was 89.3 % (95 % CI 81-98). Radiographically, one type 3A hip, three type 3B hips and one type 4 hip showed aseptic loosening while no type 2 hips or no cemented cups showed loosening. CONCLUSIONS: The modular reconstructive cups for acetabular revision showed bone stock restoration and stable implantation.
PURPOSE: Modular acetabular reconstructive cups have been introduced in an attempt to offer initial rigid fixation by iliac lag screws and ischial pegs, to support bone grafts with a flanged metal socket, and to restore original hip center in acetabular revision. The purpose of this study was to clarify minimum ten year follow-up results of this cup system with morsellised allografts in revision cases. METHODS: We retrospectively investigated 54 acetabular revisions at a mean of 11 years (range, ten to 14 years). The indications were Paprosky's type 2B (eight hip), 2C (eight hips), 3A (23 hips), 3B (nine hips), and 4 (six hips). RESULTS: Using aseptic loosening as the endpoints, the survival rate was 89.3 % (95 % CI 81-98). Radiographically, one type 3A hip, three type 3B hips and one type 4 hip showed aseptic loosening while no type 2 hips or no cemented cups showed loosening. CONCLUSIONS: The modular reconstructive cups for acetabular revision showed bone stock restoration and stable implantation.
Authors: Samik Banerjee; Kimona Issa; Bhaveen H Kapadia; Robert Pivec; Harpal S Khanuja; Michael A Mont Journal: Int Orthop Date: 2013-11-01 Impact factor: 3.075
Authors: Max J Friedrich; Jan Schmolders; Robert D Michel; Thomas M Randau; Matthias D Wimmer; Hendrik Kohlhof; Dieter C Wirtz; Sascha Gravius Journal: Int Orthop Date: 2014-07-16 Impact factor: 3.075
Authors: Jan Schmolders; Max J Friedrich; Robert D Michel; Thomas M Randau; Matthias D Wimmer; Andreas C Strauss; Hendrik Kohlhof; Dieter C Wirtz; Sascha Gravius Journal: Int Orthop Date: 2014-10-04 Impact factor: 3.075
Authors: Jean Louis Prudhon; François Steffann; André Ferreira; Régis Verdier; Thierry Aslanian; Jacques Caton Journal: Int Orthop Date: 2014-07-31 Impact factor: 3.075