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From January 1976 to December 1990, 66 high tibial osteotomies for medial gonarthrosis were performed in 59 patients. Thirty knees of 26 patients (18 women and 8 men) were reviewed after a mean follow-up period of 15.3 years (range, 10-24 years). The mean age of these 26 patients was 59 years at the time of operation and 75.5 years at the latest follow-up.(More)
The purpose of this study was to compare infection control rates between implant retention and two-stage revision and assess the effectiveness of retention treatment in THA. Twenty-eight debridements with implant retention (retention group) and 65 staged revisions (removal group) were retrospectively analysed and risk factors that can contribute to failure(More)
Peripatellar lesions causing knee pain include cellulitis, bursitis, synovitis, septic arthritis and patellar osteomyelitis. We present here two cases of patellar osteomyelitis which were misdiagnosed as prepatellar bursitis. Operative treatment was required for these lesions. Patellar osteomyelitis should always be considered when treating a peripatellar(More)
BACKGROUND Retention treatment is reportedly associated with lower infection control rates than two-stage revision. However, the studies on which this presumption are based depend on comparisons of historical rather than concurrent controls. QUESTIONS/PURPOSES We (1) asked whether the infection control rates, number of additional procedures, length of(More)
Breakage of K-wires and wires which are used for fracture fixation is not uncommon, but migration is rare. The authors experienced two cases of symptomatic migration of broken K-wire and wires used for patellar fixation to the popliteal fossa. Migration of broken hardware happened 3 and 4 years after fixation. The broken hardwares were removed surgically.(More)
We investigated the spontaneous healing process of a surgically created supraspinatus tendon tear in rabbits with specific reference to the expression of matrix metalloproteinase-2 (MMP-2) and its time-course change in enzymatic activity along with the expression of tissue inhibitors of metalloproteinases (TIMPs). A transverse, full thickness tear of the(More)
We investigated the specific factors related to shoulder pain due to a rotator cuff tear using a model in rabbits. A rotator cuff tear was surgically created, and the expression of interleukin-1beta (IL-1beta), prostaglandin E2 (PGE2), and cyclooxygenase-2 (COX-2) was analyzed. In the supernatant of the tissue culture of the torn tendon, IL-1beta production(More)
Eighteen patients with periprosthetic joint infection (11 hips and 7 knees) treated by prosthetic articulating spacers retained their spacers and were followed up at an average of 43.8 months(range, 13-78 months). Fifteen patients maintained well-functioning spacers for an average of 42.7 months, of which 4 patients died with the spacers in situ at an(More)
This retrospective study compares treatment results of infected total knee arthroplasty with 2-stage exchange technique using 14 articulating spacers using metallic and polyethylene components (prosthetic group) and 33 static all-cement spacer (static group). For the prosthetic and static groups, treatment success rate was 71% and 67% at 58 months of(More)