Abstract
The clinical and radiographic outcomes of 50 consecutive revision total knee arthroplasties in 47 patients, placed with metaphyseal cemented femoral and tibial components with press-fit cementless stems, were reviewed at 36-month average follow-up. Revision was performed for aseptic loosening (11/50), infection (17/50), periprosthetic fracture (8/50), component failure (6/50), instability (6/50), and malalignment (2/50). The press-fit cementless stems were 80 to 160 mm in length and tightly contacted the endosteum of the metadiaphyseal areas. Four (9%) knees were re-revised for infection, zero for aseptic loosening. The average modified Hospital for Special Surgery knee score improved from 49 to 87. One patient (2%) reported thigh pain, and 1 reported leg pain. Metaphyseal cemented revision total knee components with press-fit cementless femoral and tibial stems were not associated with significant thigh and leg pain.
MeSH terms
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Adult
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Aged
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Aged, 80 and over
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Arthritis, Infectious / diagnostic imaging
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Arthritis, Infectious / mortality
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Arthritis, Infectious / surgery
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Arthritis, Rheumatoid / diagnostic imaging
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Arthritis, Rheumatoid / mortality
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Arthritis, Rheumatoid / surgery
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Arthroplasty, Replacement, Knee / methods*
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Bone Cements / therapeutic use*
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Bone Malalignment / diagnostic imaging
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Bone Malalignment / mortality
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Bone Malalignment / surgery
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Female
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Follow-Up Studies
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Humans
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Knee Injuries / diagnostic imaging
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Knee Injuries / mortality
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Knee Injuries / surgery
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Knee Prosthesis*
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Male
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Middle Aged
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Osteoarthritis, Knee / diagnostic imaging
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Osteoarthritis, Knee / mortality
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Osteoarthritis, Knee / surgery
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Postoperative Complications / diagnostic imaging
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Postoperative Complications / mortality
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Postoperative Complications / surgery*
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Prospective Studies
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Prosthesis Design
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Prosthesis Failure
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Radiography
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Range of Motion, Articular / physiology
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Reoperation
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Survival Analysis