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The use of bone cement is widespread in orthopedic surgery. Most of the mechanical tests are performed in dry medium, making it difficult to extrapolate the results. The objective of this study is to assess if the mechanical properties of polymethylmethacrylate (PMMA), obtained in previous reports, are still present in a liquid medium.An experimental study was designed with antibiotic (vancomycin)...
Multifocal necrotizing fasciitis is a condition in which there is more than one non-contiguous body area affected, and it is usually the result of the dissemination of septic emboli.We present a 67-year-old patient, on oral corticosteroid treatment, who was admitted with a septic shock. During the previous week he had been operated on due to the perforation of a colon diverticulum.He had signs that...
The aim of this study is to evaluate the usefulness of magnetic resonance imaging (MRI) at 20° of knee flexion in patients with patellofemoral pain syndrome (PFPS) caused by suspected patellofemoral malalignment (PFM).Fifty MRIs were performed on 25 patients with PFPS secondary to suspected PFM based on clinical examination, and on 25 patients without PFPS (control group). Measurements were made of...
To analyze the results of treatment of scaphoid nonunion with questionable viability of the proximal fragment, but without significant deformity or collapse, using a vascularized bone graft of 1,2 intercompartmental supraretinacular artery (1,2 ICSRA) and subsequent osteosynthesis.A retrospective study was performed on 10 male patients with a radiographic diagnosis of nonunion. Functionality, pain...
The acetabular shell mobilization is the main long-term complication in total hip replacement. Metal-back fracture has also to be considered among the possible causes of shell mobilization. A case is presented of bilateral acetabular shell mobilization due to the trabecular covering de-soldering from the metal-back in a 43 year-old patient, 13–14 years after the first surgery.
As long as the neuromuscular stabilizers are intact, a lesion of the scapholunate ligament may or may not progress to a carpal instability. The mechanisms by which the muscles compensate this defect are not very well known. We designed an experimental study with the aim of clarifying these mechanisms.Using 10 fresh wrists, with no pre-existing lesions, we studied the movements of the scaphoid, triquetrum...
Distal humerus fractures in the elderly frequently associated with poor bone quality and comminution, making it harder to achieve proper osteosynthesis. Our aim is to evaluate the radiological and functional results of open reduction and internal fixation of these fractures.Retrospective study of 26 patients treated by open reduction and internal fixation between the years 2005 and 2010. Mean follow-up...
To calculate the Scapular Balance Angle (SBA) reference values in a healthy population between 18 and 85 years old, and to define abnormality criteria for this sample.A descriptive study was conducted on a total of 300 individuals (mean age: 44.83, range: 18–83; proportion male/female: 1.59), calculating the SBA through manual measurement with a goniometer. An intraobserver Intraclass Correlation...
Perioperative bleeding may require blood transfusions, which are sometimes not without complications and risks, with the subsequent increase in health care costs. Among other prevention methods, treatment with tranexamic acid (ATX) has shown to be effective in reducing surgical blood loss, especially in the immediate postoperative period. In this regard, studies evaluating ATX in orthopedic surgery...
Recurrent shoulder dislocation is infrequent after forty years and presents different injuries than younger patients.To compare injuries and complications after surgery between one group older than forty years of age and another younger group.A review was made on all patients who had undergone arthroscopic surgery due to glenohumeral instability from 1999 until 2011. The mean follow-up was 64 months...
To evaluate the influence of epidemiological factors on the outcomes of surgery for degenerative lumbar disease in terms of quality of life, disability and chronic pain.A total of 263 patients who received surgery for degenerative lumbar disease (2005–2008) were included in the study. The epidemiological data collected were age, gender, employment status, and co-morbidity. The SF-36, Oswestry Disability...
To establish a simple, reproducible and safe experimental model, for the development of ischemic vascular necrosis of the hip in the lamb.We used 15 lambs (10 males and 5 females) aged four weeks, divided into a control group (7 animals) and an experimental group (8 animals) producing ischemia in the proximal femur. Standard radiography and MRI were performed. The animals were euthanised at the 4th,...
To describe our experience in the management of patients with osteogenesis imperfect (OI).We conducted a retrospective study of a series of cases affected with OI treated in the Clínica Univesidad de Navarra from 1980 to 2007, with a mean follow up of 17.3 years (7–27 years). We collected descriptive data of the sample, the fractures and the deformities, and the treatments given. The complications...
Complications secondary to oxygen-ozone therapy are rare, but they have been described in medical literature. There are only two cases of infectious complications after oxygen-ozone therapy. Our aim is to describe a rare case of purulent complication that was secondary to oxygen-ozone therapy for the treatment of lower back pain. We report the clinical improvement with conservative treatment for a...
The aim of this study is to determine the different therapeutic options described for the treatment of radioulnar synostosis, and report our experience with posterior interosseous antegrade flow pedicled flap with technical amendments. Two patients, who were treated with the designed flap, and with more than one year of follow-up, were reviewed. The technical innovations, end result and complications...
To evaluate the functional results of the orthopaedic treatment of midshaft clavicle fractures with a minimum follow-up of 15 years.A retrospective study was conducted on 40 patients, mean age 35 years (18–64) with a non-surgically treated clavicle fracture. The mean follow-up was more than 22 years (15–32). The clinical evaluation was performed with the Disability of Arm, Shoulder and Hand score...
To evaluate the influence of the medial–lateral stability of the joint on the short-term clinical outcomes after performing navigation in total knee replacement.A multicentre prospective study was conducted on 111 consecutive total knee replacements performed with computer assisted surgery. The study included the evaluation of KSS, WOMAC, and SF-12 preoperatively, and at 3 and 12 months of follow-up,...
Review of the cases of discitis treated in our unit in children under 3 years old.A retrospective medical record review was made of 10 cases with a diagnosis of discitis at discharge, in children hospitalized from January 1998 to December 2010.The most affected level was L5-S1 (4 cases), followed by L4-L5 (3 cases). The history at presentation was non-specific and caused a delay in the diagnosis of...
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