title: Currents of plate osteosynthesis in osteoporotic bone.
abstract: Osteoporotic fractures are becoming more prevalent with ageing of populations worldwide. Inadequate fixation or prolonged immobilization after non-surgical care leads to serious life-threatening events, poor functional results and lifelong disability. Thus, a stable internal fixation and rapid initiation of rehabilitation are required for faster return of function. Conventional internal fixation attempts to achieve the exact anatomy, often with extended soft-tissue stripping and compression of the periosteum, causing disturbance of the metaphyseal and comminuted fracture's bone blood supply. This technique relies on frictional forces between bone and plate. Osteoporotic bone might not be able to generate enough torque with the screw to securely fix the plate to bone. Thus, this surgical management have resulted in increased incidence of poor results in elderly, osteoporotic patients. The newly developed locked internal fixators, locking compression plates and less invasive stabilization system, consist of plate and screw systems where the screws are locked in the plate, minimizing the compressive forces exerted between plate and bone. Thus, the plate does not need to compress the bone nor requires precise anatomical contouring of a plate disturbing the periosteal blood supply. These fixators allowed the development of the minimal invasive percutaneous osteosynthesis. Nowadays, locking plates are the fixation method of choice for osteoporotic, diaphyseal or metaphyseal, severely comminuted fractures.
authors.affiliation: 3rd Orthopaedic Department, University of Athens, KAT Hospital, 2 Nikis Str., 14561, Kifissia, Athens, Greece.
authors.forename: Kalliopi
authors.initials: K
authors.lastname: Lampropoulou-Adamidou
authors.forename: Panagiotis K
authors.initials: PK
authors.lastname: Karampinas
authors.forename: Efstathios
authors.initials: E
authors.lastname: Chronopoulos
authors.forename: John
authors.initials: J
authors.lastname: Vlamis
authors.forename: Demetrios S
authors.initials: DS
authors.lastname: Korres
mesh_terms: D000369:Aged, 80 and over; D001696:Biomechanical Phenomena; D001860:Bone Plates; D005260:Female; D005593:Fracture Fixation, Internal / Q000295:instrumentation* / Q000379:methods*; D005598:Fractures, Spontaneous / Q000209:etiology* / Q000503:physiopathology / Q000601:surgery*; D006801:Humans; D010024:Osteoporosis / Q000150:complications*
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