Publications by authors named "Gavira N"

Objective: This study aimed to describe the anatomical landmarks for intervertebral disc (IVD) percutaneous approaches (transpedicular TPA and transannular TAA) using CT scans in humans and dogs for regenerative medicine research.

Method: CT scans of 57 human (30 supine, 27 prone) and 49 canine (29 chondrodystrophic, 20 non-chondrodystrophic) lumbar spines were analyzed. Morphometric data, cutaneous landmarks, and approach angles were measured, with additional sections assessing nerve root distances from TPA routes.

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Article Synopsis
  • The study evaluates the effectiveness of rasterstereography versus low-dose, biplanar spine radiography in measuring thoracic kyphosis angles in patients with Scheuermann's disease.
  • The research involved 52 patients who underwent both imaging techniques on the same day, revealing strong correlations in TK angle measurements.
  • Results showed that rasterstereography can reliably assess TK angles, potentially decreasing the need for radiographic scans and reducing patients' exposure to radiation.
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Purpose: Tibial torsion disorders may lead to abnormal gait, frequently leading to a consultation with a pediatric orthopedic surgeon. The present study evaluated an alternative method for assessing tibial torsion on computerized tomography (CT) images that considers the tibial distal axis to be equivalent to the geometric axis of the tibiotalar joint.

Methods: One hundred CT scans were reviewed retrospectively, and four measurements were taken: proximal transtibial angle (PTTA), posterior margin tibial plateau angle (PMTPA), intermalleolar angle (IMA), and talar angle (TA).

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Primary spinal infection (PSI) is a generic term covering a heterogeneous group of infections that can affect the vertebral body, intervertebral disks, the content of the medullary cavity, and adjacent paraspinal tissues. Patients' characteristics can vary significantly, notably according to their age, and some of these characteristics undoubtedly play a primordial role in the occurrence of a PSI and in the type of offending pathogen. Before approaching the subject of laboratory diagnostics, it is essential to define the characteristics of the patient and their infection, which can then guide the physician toward specific diagnostic approaches.

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Background: () is a human commensal bacterium which can be detected in the nose, nails, and skin. It can be responsible for heterogeneous infections such as bacteremia, endocarditis, pneumonia, acute otitis externa, peritonitis, and urinary tract infections. Bone and joint infections due to have also been reported, but most of them resulted from the infection of orthopedic devices, especially joint prostheses and internal osteosynthesis devices.

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Transphyseal hematogenous osteomyelitis (THO) is a serious condition that can affect the growing physis, yet it is insufficiently recognized in children. The aim of this study was to explore the prevalence and epidemiology of pediatric THO, and to discuss the underlying pathophysiology. All consecutive cases of acute and subacute osteomyelitis admitted to our institution over 17 years were retrospectively studied.

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Background And Objectives: Septic arthritis of the knee is presumed to be the most frequent form of Kingella kingae -induced osteoarticular infection. This study aimed to report on the clinical course, biological parameters, and results of microbiological investigations among children with K. kingae -induced septic arthritis of the knee.

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Introduction: Osteoarticular infections (OAIs) constitute serious paediatric conditions that may cause severe complications. Identifying the causative organism is one of the mainstays of the care process, since its detection will confirm the diagnosis, enable adjustments to antibiotic therapy and thus optimize outcomes. Two bacteria account for the majority of OAIs before 16 years of age: Staphylococcus aureus is known for affecting the older child, whereas Kingella kingae affects infants and children younger than 4 years old.

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The treatment paradigm for osteoarticular infections (OAIs) has changed drastically over the past 80 years, from the advent of penicillin to the use of broad-spectrum antibiotics. Before these drugs, surgery was the only available treatment for OAIs; today, antibiotic therapy is considered the primary response to them. As a result, surgical treatment of OAIs is thus far more rarely indicated, sometimes even considered outdated and obsolete.

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Numerous microsurgical training techniques and materials have been developed to reduce animal use and training costs. This systematic review aimed to catalog the available microsurgery learning methods on non-living material in order to define an educational program. The PubMed database was searched for English and French articles related to the initial learning of microsurgery with inert, non-living, or digital material and containing the keywords "microsurgery", "non-living", "simulation" and "virtual reality".

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Purpose: Spinal thoracolumbar fractures represent 10-14% of pediatric fractures. Most children concerned by such fractures are above 10 years of age. No guidelines presently exist.

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Background And Aims: Surgical repair of right partial pulmonary anomalous connection to the superior vena cava (SVC) with the Warden procedure can be complicated by SVC obstruction, pulmonary veins obstruction, and sinus node dysfunction. We review our 20 years of experience with Warden procedures for the repair of right partial pulmonary venous connection to the SVC.

Methods: This was a single-center retrospective study of all patients (pediatric and adult) with right partial pulmonary abnormal venous connections who underwent a complete repair with the Warden procedure between 1997 and 2016.

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The aim of the study was to devise a strategy for large batch analysis to determine HLA Class II alleles exhibited by candidate bone marrow transplant donors and prospective recipients using previously published DNA-based typing techniques. Special attention was directed towards the technical aspects of procedures, the level of typing resolution and the speed of data analysis. 200 blood samples from volunteer bone marrow transplant donors typed serologically for HLA-DR and DQ were further investigated using three DNA-based typing methods: (i) restriction fragment length polymorphism (RFLP) analysis, (ii) polymerase chain reaction (PCR) amplification and subsequent hybridisation with sequence specific oligonucleotide probes (PCR-SSO), and (iii) PCR amplification with sequence specific primers (PCR-SSP) to resolve the DRB1* specificity of each individual.

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