title: Acrylic bone cement: current concept review.
abstract: Acrylic bone cement has had for years an important role in orthopedic surgery. Polymethylmethacrylate (PMMA) has been extended from the ophthalmological and dental fields to orthopedics, as acrylic cement used for fixation of prosthetic implants, for remodeling osteoporotic, neoplastic and vertebral fractures repair. The PMMA bone cement is a good carrier for sustained antibiotic release in the site of infection. Joint prostheses chronic infection requires surgical removal of the implant, in order to eradicate the infection process. This can be performed in the same surgical time (one-stage procedure) or in two separate steps (two-stage procedure, which involves the use of an antibiotic-loaded cement spacer). The mechanical and functional characteristics of the spacers allow a good joint range of motion, weight-bearing in selected cases and a sustained release of antibiotic at the site of infection. The improvement of fixation devices in recent years was not accompanied by the improvement of elderly bone quality. Some studies have tested the use of PMMA bone cement or calcium phosphate as augmentation support of internal fixation of these fractures. Over the past 20 years, experimental study of acrylic biomaterials (bone cement, bioglass ceramic, cement additives, absorbable cement, antibiotic spacers) has been of particular importance, offering numerous models and projects.
authors.affiliation: Orthopaedic Department, Surgical Center, P. Confortini, University of Verona, Piazzale A. Stefani 1, 37126, Verona, Italy.
authors.forename: B
authors.initials: B
authors.lastname: Magnan
authors.forename: M
authors.initials: M
authors.lastname: Bondi
authors.forename: T
authors.initials: T
authors.lastname: Maluta
authors.forename: E
authors.initials: E
authors.lastname: Samaila
authors.forename: L
authors.initials: L
authors.lastname: Schirru
authors.forename: C
authors.initials: C
authors.lastname: Dall'Oca
mesh_terms: D001843:Bone Cements; D006801:Humans; D019904:Polymethyl Methacrylate; D019736:Prostheses and Implants
chemical_list: D001843:Bone Cements; D019904:Polymethyl Methacrylate
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