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The real degree of constriction of rotating hinge knee (RHK) and condylar constrained prostheses (CCK) is a matter of discussion in revision knee arthroplasty. The objectives of this study are to compare the tibial rotation of both implants and validate the use of inertial sensors with optical tracking system as movement measurement tools. A total of 16 cadaver knees were used. Eight knees were replaced...
The low incidence and histological heterogeneity of primary sarcomas located in the pelvis make it difficult to find homogeneous cohorts.To describe the life and functional prognosis depending on the histological type of sarcoma in a series of locally advanced high-grade pelvis located sarcomas treated by hemipelvectomy.A descriptive epidemiological and functional study was conducted on 15 cases treated...
Clinical and functional outcomes of the knee after unicompartmental knee arthroplasty (UKA) and its correlation with lower limb mechanical axis correction.We have reviewed the outcome of 29 UKA, corresponding to 29 patients, with an average follow-up of 4.5 years (3–6 years). The distribution was, 21 women and 8 men, 11 unicompartmental osteoarthritis, 17 femoral condyle necrosis and 1 tibial plateau...
To assess the quality of the cement mantle obtained with different fixation techniques in knee arthroplasty.An experimental study with synthetic bone models (16 tibias and 16 femurs), employing a PROFIX ® prosthetic tool and high viscosity cement (Palacos R ® ), applied on the second and fifth minute after mixing the components using two fixation techniques: directly over the bone...
A malignant peripheral nerve sheath tumour is a sarcoma arising from nerve tissue.We present the case of a giant buttock tumour in an NFM 1 patient causing peroneal nerve paralysis.In up to 50% of malignant peripheral nerve sheath tumours (MPNST) an association with neurofibromatosis 1 (NFM 1) is found.In patients with NFM 1, a sudden increase in size of a previously stable neurofibroma should be...
To assess the medium-term results of (DVR) fixed-angle anatomic plates in the treatment of unstable distal radius fractures.Retrospective study of 93 dorsally displaced unstable distal radius fractures, treated by means of open reduction with a volar approach and DVT plate fixation. Mean age was 46 years and mean follow-up was 13 months. A clinicalfunctional evaluation was carried out for all patients...
To analyze the outcomes of pediatric femoral shaft fractures in our hospital, comparing the results obtained with elastic intramedullary nailing with those of external fixation.We retrospectively studied 40 patients with femoral fractures operated in our hospital between May 1995 and January 2006. 20 patients were treated by means of elastic nailing and 20 with an external fixator. Mean follow-up...
To report on the occlusion of a femoral artery bypass, an unusual complication of primary total hip replacement.A 74-year-old male with a femoro-femoral implant and a Dacron graft suffered arterial ischemia resulting from thrombosis of the vascular graft further to total hip replacement. We present a brief bibliographical review of arterial complications following total hip arthroplasty.As the patient...
To analyze the results of the secondary patellar resurfacing (SPR) procedures carried out in our department for the treatment of patients with painful total knee arthroplasty (TKA).We retrospectively reviewed 20 patients who had undergone SPR due to persistent anterior knee pain following TKA. The mean time interval to secondary resurfacing was 24.8 months (8.5-67) and the mean follow- up was 13.5...
To analyze the results obtained with the implantation of radial head prostheses in our center and compare them with the results published in the literature.We carried out a descriptive retrospective study of Mason type III and IV radial head fractures treated in our hospital between July 2003 and November 2005 by jeans of prosthetic implantation. The series comprised 15 arthroplasties, of which only...
When it comes to performing a safe arthroscopic procedure, obtaining an optimal view of the surgical field is essential. For this, a proper functioning of the optical systems and an appropriate distension of the joint are required. With this goal in mind, irrigation systems have been developed that inject fluid into the joint during the arthroscopic procedure. The pressure exerted by the fluid distends...
To analyze the location of the long Gamma nail in the distal femoral shaft and to assess the possible complications derived from a poor biometric match between the implant and the femur.Retrospective study of 69 long Gamma nails. To evaluate the position of the distal tip of the implant, a system of coordinates was designed at the distal femoral shaft and the distance from anteroinferior tip of the...
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