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Se dice que un sarcoma es multicéntrico cuando es detectado en dos o más localizaciones anatómicas diferentes antes de que se extienda a regiones donde es más frecuente encontrarlo como metástasis. Un aspecto controvertido y no demostrado de esta enfermedad es si este patrón de presentación se debe a un origen multicéntrico o, por el contrario, se trata de una forma rara de metástasis cuya causa se...
The purpose of this study is to try to decrease the amounts of blood transfused in knee prosthetic surgery by using blood-saving methods. We consider that a realistic target would be reducing the transfusion rate to less than 10%.Cohort study made up of a current cohort of 105 patients (107 total knee arthroplasties) and a historical control cohort of 193 patients (197 total knee arthroplasties)....
A retrospective study was carried out of a series of grade I and II degenerative spondylolistheses subjected to a single-level fusion, comparing circumferential to posterolateral fusion.Our series comprises 33 patients (22 females and 11 males) operated between 1999 and 2002. In all cases a single-level fusion was performed through a posterior approach: a posterolateral fusion was conducted in 15...
The aim of this publication is to offer a complete, easy-tounderstand and comprehensive overview on shoulder hemiarthroplasty focusing on the different design types, prosthetic generations, fixation techniques, indications and results.Nowadays, shoulder hemiarthroplasty has led to satisfactory, reproducible and lasting results in addressing conditions like glenohumeral arthritis, avascular necrosis...
The purpose of this study is to review the state of the art on the piriformis muscle syndrome, its diagnosis and therapeutic options since it is a relatively usual condition that often goes undiagnosed.A prospective study was performed of 14 cases, treated between January 2002 and December 2004. Patients were managed on the basis of a series of pre-established criteria and a previously-agreed on therapeutic...
To assess the relationship between fractures of the upper limb and the time dimension.A study was conducted of 16,736 patients admitted to Castile-Leon hospitals with a fracture of their upper limb between 1999 and 2004. The following analyses were performed to investigate the existence of rhythm: an univariate analysis performed together with a logistic regression, a rhythmometric study with spectral...
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 determine the sensitivity and specificity of a series of clinical features and risk factors in carpal tunnel syndrome (CTS) and suggest a diagnostic measure to clinically estimate probability of disease.A prospective, cross-sectional study was performed of 100 patients consecutively referred to us for a neurophysiological evaluation of CTS. Patients were chronologically divided into two groups...
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