Publications by authors named "Ornetti P"

Background: Hip osteoarthritis (OA) can cause pain, restricted locomotor activity and functional impairments but it remains difficult to predict functional decline over time.

Objectives: The aims of this study were to identify functional decline trajectories in people with hip OA using the Hip disability and Osteoarthritis Outcome Score (HOOS) domains and to determine radiological and gait predictors of typical trajectories.

Methods: Consecutive people with hip OA with no indication for total hip replacement at baseline were included.

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Introduction: Despite their exponential use, intra-articular (IA) injections of platelet-rich plasma (PRP) are not part of the recommended treatments for knee osteoarthritis (OA) by most international scientific societies. The most recent clinical trials have shown conflicting results, and some did not find any clinical benefit of PRP injections. The PRP In Knee OsteoArthritis (PIKOA) trial was designed to assess the clinical efficacy and structural benefit of IA injections of PRP vs saline solution (placebo) in symptomatic knee OA.

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Article Synopsis
  • - The French Society of Rheumatology and the French Society of Physical Medicine and Rehabilitation aimed to create recommendations for non-drug treatments for knee osteoarthritis due to their inadequate consideration in care.
  • - A systematic review of literature was conducted, followed by discussions among experts to draft and evaluate a list of recommendations for managing knee OA non-pharmacologically.
  • - Five key principles were established, emphasizing a combination of treatments, personalized management, adherence, appropriate exercise, and education, alongside specific recommendations for 11 modalities like braces, physical therapy, and weight loss.
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Background: Sagittal balance, commonly impaired in lumbar spinal stenosis (LSS) patients, is typically assessed using the sagittal vertical axis (SVA) with EOS imaging. However, to limit X-ray exposure and medical costs, it could be interesting to evaluate the capacity of quantified motion analysis to estimate the 3D modeling of SVA in patients with symptomatic LSS.

Methods: An estimation of the SVA in patients with LSS was performed with 3D motion analysis.

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Running is the basis of many sports and has highly beneficial effects on health. To increase the understanding of running, DSPro insoles were developed to collect running parameters during tasks. However, no validation has been carried out for running gait analysis.

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Article Synopsis
  • Polymyalgia rheumatica (PMR) and giant cell arteritis (GCA) often overlap, but PMR lacks the vascular inflammation present in GCA, suggesting different underlying mechanisms.
  • *In a study involving 45 isolated PMR patients and 29 PMR/GCA overlap patients, various serum biomarkers related to inflammation and vascular function were measured to differentiate between the two conditions before starting treatment.
  • *Results indicated that certain biomarker ratios, specifically CXCL9/IL-6 and MMP-3/sCD141, were more effective at diagnosing GCA in patients with isolated PMR, demonstrating the potential to guide further examination for those at risk.*
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Background: This randomized controlled trial examined the feasibility of adding eccentric exercise to a conventional cardiac rehabilitation program (CCRP) for coronary heart disease patients.

Methods: Ninety-three patients were randomly assigned to either the MIX group (eccentric ergometer + CCRP) or the CON group (concentric ergometer + CCRP) for 7 weeks. Training effectiveness was assessed based on "good responders" showing improved functional capacities, such as 6-minute walk test (6MWT) distance and maximal voluntary contraction of the plantar flexors (ankle MVC).

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Used on clinical and sportive context, three-dimensional motion analysis is considered as the gold standard in the biomechanics field. The proposed dataset has been established on 30 asymptomatic young participants. Volunteers were asked to walk at slow, comfortable and fast speeds, and to run at comfortable and fast speeds on overground and treadmill using shoes.

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Introduction: Spasticity is a frequent disabling consequence following a stroke. Local muscle vibrations (LMVs) have been proposed as a treatment to address this problem. However, little is known about their clinical and neurophysiological impacts when used repeatedly during the subacute phase post-stroke.

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Introduction: Neuromuscular diseases (NMDs) include a large group of heterogeneous diseases. NMDs frequently involve gait disorders, which affect quality of life. Several walking tests and tools have been described in the literature, but there is no consensus regarding the use of walking tests and tools in NMDs or of their measurement properties for walking outcomes.

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Article Synopsis
  • - The study aimed to assess how the sagittal vertical axis (SVA) affects gait improvements before and after decompression surgery in patients with lumbar spinal stenosis (LSS), utilizing gait motion analysis (GMA).
  • - Thirty-nine patients were evaluated at two points: one month prior to surgery and six months post-surgery, where the researchers measured both static and 3D SVA and various spatiotemporal gait parameters.
  • - Although there was no significant change in 3D SVA after surgery, a strong correlation was found between SVA measurements and improvements in gait parameters, suggesting SVA could be used as a prognostic tool for recovery in LSS patients post-surgery.
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  • The study investigates the use of pelvic computed tomography (CT) for diagnosing axial spondyloarthritis (axSpA) in patients over 50, comparing it to conventional methods like radiography and MRI which have drawbacks such as inter-observer variability and false positives.
  • Researchers analyzed CT characteristics of sacro-iliac joints in 90 patients with ankylosing spondylitis (AS) diagnosed using established criteria, pairing them with 90 age- and sex-matched controls.
  • Results showed higher prevalence of joint space narrowing, erosions, and sclerosis in the AS group, while intra-articular gas and diffuse idiopathic skeletal hyperostosis (DISH) were more common in the control group, highlighting distinct
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Wireless wearable insoles are interesting tools to collect gait parameters during daily life activities. However, studies have to be performed specifically for each type of insoles on a big data set to validate the measurement in ecological situations. This study aims to assess the criterion validity and test-retest reliability of gait parameters from wearable insoles compared to motion capture system.

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Objective: Lumbar radiculopathy mainly originates in the spine (lumbar disc herniation or spine osteoarthritis) but can sometimes be explained by extra-spinal nerve compression or confused with referred pain mimicking radiculopathy. Our main objective was to demonstrate the clinical benefit of the large-field coronal STIR (coroSTIR) sequence in the etiological assessment of lumbar radiculopathy with a duration of more than six weeks.

Materials And Methods: Six hundred consecutive lumbar MRI scans performed using the same protocol were retrospectively reviewed.

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Objectives: This study assessed return to work and prosthesis survival after trapeziometacarpal prosthesis surgery.

Material And Methods: A multicenter retrospective study was carried out on patients operated on between 2002 and 2020. All working patients who had undergone trapeziometacarpal prosthesis surgery were included.

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Polymyalgia rheumatica (PMR) is an inflammatory rheumatism of the shoulder and pelvic girdles. In 16 to 21% of cases, PMR is associated with giant cell arteritis (GCA) that can lead to severe vascular complications. Ruling out GCA in patients with PMR is currently a critical challenge for clinicians.

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Objective: Several studies have investigated the influence of body mass index (BMI) on functional gain after total hip replacement (THR) or total knee replacement (TKR) in osteoarthritis, with contradictory results. This systematic literature review was conducted to ascertain whether obesity affects functional recovery after THR or TKR in the short (<1 year), medium (<3 years) and long term (>3 years).

Methods: The study was registered with PROSPERO and conducted according to the PRISMA guidelines.

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Clinical gait analysis is a promising approach for quantifying gait deviations and assessing the impairments altering gait in patients with osteoarthritis. There is a lack of consensus on the identification of kinematic outcomes that could be used for the diagnosis and follow up in patients. The proposed dataset has been established on 80 asymptomatic participants and 106 patients with unilateral hip osteoarthritis before and 6 months after arthroplasty.

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Giant cell arteritis (GCA) is a large-vessel granulomatous vasculitis occurring in patients over 50-year-old. Diagnosis can be challenging because there is no specific biological test or other diagnoses to consider. Two main phenotypes of GCA are distinguished and can be associated.

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Article Synopsis
  • This study explored the issue of DECT artifacts in diagnosing gout, which can lead to overdiagnosis.
  • Researchers tested various post-processing settings on DECT scans from 77 patients to find the optimal setup for reducing these artifacts.
  • The best results were achieved with the R2 setting (170 HU, ratio = 1.28), significantly decreasing the number of artifacts compared to standard settings, while also improving specificity in the diagnosis of gout.
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