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PURPOSE Several reports have shown the progression of degenerative osteoarthritis after anterior cruciate ligament (ACL) reconstruction. No report has been published about early cartilage change after ACL reconstruction. The purpose of this study was to evaluate the articular cartilage after ACL reconstruction in a short postoperative period by arthroscopy.(More)
Using a step-by-step procedure, we measured joint gap during surgery using a simple device with a torque meter in 45 osteoarthritis knee joints (43 patients) with varus deformity. The effects of specific cuts or releases of the anatomic portion on joint gaps were investigated. Each cut or release resulted in various increases in the medial gap from 1.2 to(More)
Medial patellofemoral ligament (MPFL) reconstruction has been recognized as a useful treatment method for patella instability. However, the optimal fixation site has not been well investigated, and few reports have examined intraoperative graft length change. The purpose of the study is to evaluate the intraoperative graft length change and femoral drill(More)
BACKGROUND There is no consensus about whether isolated anterior cruciate ligament reconstruction using multistrand hamstring tendon with nonoperative treatment for chronic medial collateral ligament injury is sufficient. PURPOSE To assess clinical outcome for patients with chronic anterior cruciate ligament injury and accompanying grade II valgus laxity(More)
BACKGROUND We studied the efficacy of medial patellofemoral ligament (MPFL) reconstruction, with or without tibial tubercle (TT) transfer, for recurrent dislocation of the patella, based on subjective functional assessment using the visual analog scale (VAS). METHODS Forty-two consecutive knees of 40 patients who underwent MPFL reconstruction using a(More)
The reduction of periosteal compression through the use of a locking plate may minimize disturbances of bone blood supply and may improve the rate of bone union. A single-centre, assessor blinded randomized controlled trial was conducted to compare the clinical effectiveness of a locking plate and a non-locking plate. A total of 52 patients with AO/OTA 44B(More)
BACKGROUND Delayed unions or refractures are not rare following surgical treatment for proximal fifth metatarsal metaphyseal-diaphyseal fractures. Intramedullary screw fixation with bone autografting has the potential to resolve the issue. The purpose of this study was to evaluate the result of the procedure. METHODS The authors retrospectively reviewed(More)
Intraoperative soft tissue tension can significantly impact the range of motion following total knee arthroplasty (TKA). However, the level of impact remains unclear. The purpose of this study was to investigate the relationship between intraoperative soft tissue tension and postoperative range of motion. This retrospective study included 504 patients(More)
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