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Aseptic Tibial Implant Loosening After Total Knee Arthroplasty: Preventable?
Luke G Menken1, Jean Fleuriscar, Travis Weiner
1From the Hospital for Special Surgery, Adult Reconstruction and Joint Replacement (Menken and Rodriguez), CUNY School of Medicine (Fleuriscar), New York, NY, University of Michigan, Ann Arbor, MI (Weiner), and the Department of Orthopaedic Surgery, Boston University School of Medicine, Boston, MA (Berliner).
Abstract:
Aseptic loosening is a considerable complication that affects the longevity of total knee arthroplasty (TKA) implants. Surgeon technique may help minimize aseptic loosening after TKA. Meticulous cementation of the prosthesis and the bone surface during various stages of cement polymerization will maximize cement adherence to the prosthesis and the bone, respectively. Pressurization of the cement in the canal and at the cut surface to achieve at least 2 mm of cement depth penetration has been reported to increase TKA implant longevity.
