نتایج جستجو برای: chondromalacia patellae
تعداد نتایج: 459 فیلتر نتایج به سال:
BACKGROUND According to the literature, closing and opening wedge high tibial valgus osteotomies can raise or lower the patella, and diffèrent methods of patella height measurement show similarly conflicting results. Clarification of this was thought to be important because there is much literature describing morbidity secondary to patella alta or patella infera (baja). Effects on tibial slope ...
conclusions in simultaneous bilateral patella fractures, good functional outcome can be expected following a stable surgical fixation and a structured rehabilitation regime. however, personality of the fracture determines salvage versus sacrifice of the patella. case presentation we report a rare case of isolated, traumatic bilateral patella fracture with unusual fracture patterns and briefly r...
Asymmetric resection of the patella during total knee arthroplasty (TKA) correlates with anterior knee pain, bony impingement and patellar maltracking. Despite this, there is no consensus regarding the desired landmarks; the cut is often done freehand; and there has been no quantitative comparison of proposed resection planes. The objectives of this study were to: determine the intra- and inter...
BACKGROUND High tibial osteotomy (HTO) is a well established technique for the treatment of medial osteoarthritis of the knee with varus malalignment. Results of total knee arthroplasty (TKA) after previous HTO are still discussed controversially. The aim of this study was to elucidate the clinical and radiological results as well as perioperative data of prior HTO on TKA. METHODS Forty-one T...
Nail patella syndrome (NPS) is an autosomal dominant condition affecting the nails, skeletal system, kidneys, and eyes. Skeletal features include absent or hypoplastic patellae, patella dislocations, elbow abnormalities, talipes, and iliac horns on x ray. Kidney involvement may lead to renal failure and there is also a risk of glaucoma. There is marked inter- and intrafamilial variability. The ...
The purpose of this study was to compare the knee extensor mechanics in persons with and without patella alta. Thirteen subjects with patella alta and 14 subjects with normal patellar position participated in the study. Sagittal and axial MR images of the knee were acquired at 0 degrees , 20 degrees , 40 degrees , and 60 degrees of knee flexion. Measurements of actual moment arm, patellar ligam...
A 17-year old boy with a history of a right femoral shaft fracture, fixed with a reamed intramedullary nail four years earlier, presented with a 15° genu recurvatum deformity, presumably due to premature closure of the anterior proximal tibial physeal plate following a Salter type V injury. He was treated with a supra-tubercular anterior opening wedge osteotomy, fixed with two Puddu plates and ...
PURPOSE. To evaluate the correlation between trochlear dysplasia and anterior cruciate ligament (ACL) injury METHODS. Magnetic resonance images (MRIs) of 95 knees in 54 males and 36 females aged 4 to 74 (mean, 28) years who had anterior knee pain and suspected ligamentous injury were reviewed. The MRIs were independently reviewed by 2 musculoskeletal radiologists on 2 occasions. According to th...
INTRODUCTION Oestrogen depletion may influence onset and/or progression of osteoarthritis. We investigated in an ovariectomized mouse model the impact of oestrogen loss and oestrogen supplementation on articular cartilage and subchondral bone in tibia and patella, and assessed bone changes in osteoarthritis development. METHODS C3H/HeJ mice were divided into four groups: sham-operated, oestro...
PURPOSE Among patients over 50 years of age, separate vertical wiring alone may be insufficient for fixation of fractures of the inferior pole of the patella. Therefore, mechanical and clinical studies were performed in patients over the age of 50 to test the strength of augmentation of separate vertical wiring with cerclage wire (i.e., combined technique). MATERIALS AND METHODS Multiple oste...
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