title: Acetabular reinforcement rings and bone allografts in the reconstructive treatment of periprosthetic bone loss.
abstract: Medium-term results in the treatment of acetabular bone loss using bulk and/or morselized bone allografts supported by acetabular reinforcement rings are reported. A total of 164 hips in 157 patients were treated by means of this reconstruction technique. The devices employed were Müller ARRR in 24 cases and Burch-Schneider APC in 140. Mean follow-up was 67 months (minimum 12, maximum 123). A total of 4 patients developed deep infection that was treated by resection-arthroplasty. Aseptic loosening of acetabular implant following extensive resorption of bone graft was observed in 5 cases: 3 of the cases underwent acetabular revision. Clinical results were evaluated based on the Harris Hip Score: mean values of 35 and 78 were assessed preoperatively and at follow-up, respectively. X-ray signs of incorporation of bone graft were observed in all cases that progressed successfully.
authors.affiliation: Istituto di Clinica Ortopedica e Traumatologica, Università degli Studi di Verona.
authors.forename: D
authors.initials: D
authors.lastname: Regis
authors.forename: E
authors.initials: E
authors.lastname: Dorigo
authors.forename: M
authors.initials: M
authors.lastname: Modena
authors.forename: F
authors.initials: F
authors.lastname: Corallo
authors.forename: P
authors.initials: P
authors.lastname: Bartolozzi
mesh_terms: D000077:Acetabulum; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D019644:Arthroplasty, Replacement, Hip / Q000009:adverse effects*; D016025:Bone Transplantation; D020878:Device Removal; D005260:Female; D006801:Humans; D016268:Internal Fixators; D008297:Male; D008875:Middle Aged; D010014:Osteolysis / Q000601:surgery*; D011475:Prosthesis Failure; D016459:Prosthesis-Related Infections / Q000628:therapy; D014184:Transplantation, Homologous