Publications by authors named "Daniel Manicourt"

Background: Hypermobile Ehlers-Danlos Syndrome (hEDS) is the most common type of EDS. Apart from joint symptoms, people with hEDS have systemic manifestations as a chronic modification of the breathing pattern (functional respiratory complaints (FRCs)) and mental disorders. However, the prevalence of FRCs, and its relationship with mental disorders, have not yet been estimated for this population.

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  • Osteogenesis imperfecta (OI) is caused by collagen type 1 gene mutations, leading to low bone density and fragility, with reported gender differences in patients that lack consistent data.
  • A study previously showed that the sclerostin antibody (Scl-Ab) improved bone parameters in female oim/oim mice, and this research aimed to investigate its effects on male oim/oim mice.
  • Results indicated that while Scl-Ab enhanced bone density and structure in both male and female mice, male oim/oim had lower bone mineral content and more fractures than females, but Scl-Ab treatment helped improve their bone thickness and decrease fracture rates.
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In osteogenesis imperfecta (OI), vertebrae brittleness causes thorax deformations and leads to cardiopulmonary failure. As sclerostin-neutralizing antibodies increase bone mass and strength in animal models of osteoporosis, their administration in two murine models of severe OI enhanced the strength of vertebrae in growing female Crtap mice but not in growing male Col1a1 mice. However, these two studies ignored the impact of antibodies on spine growth, fracture rates, and compressive mechanical properties.

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  • Osteogenesis imperfecta type III (OI) is a genetic disorder causing fragile bones and high fracture rates in children.
  • A monoclonal antibody that neutralizes sclerostin (Scl-Ab) has been shown to improve bone strength and reduce fractures in OI mice models.
  • After 9 weeks of treatment, Scl-Ab significantly decreased long bone fractures and increased key bone properties, suggesting it could be a promising treatment for minimizing long-bone fractures in OI patients.
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As exertional inspiratory dyspnea is a common disabling complaint in hypermobile Ehlers-Danlos syndrome (hEDS) often also known as joint hypermobility syndrome (JHS), we investigated inspiratory muscle (IM) strength in patients with hEDS, and we assessed the effects of IM training (IMT) on IM strength, lung function, and exercise capacity. A prospective evaluation of IM strength followed by a randomized controlled trial of IMT was performed in women with hEDS. Sniff nasal inspiratory pressure (SNIP) was used to routinely measure IM strength and IMT was carried out using a pressure threshold device.

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Objective: To determine if diagnostic signs of adhesive capsulitis (AC) of the shoulder at Magnetic Resonance Imaging (MRI) and arthrography (MRA) are applicable to CT arthrography (CTA).

Methods: 22 shoulder CTAs with AC were retrospectively reviewed for features described in MR literature. The control group was composed of 83 shoulder CTA divided into four subgroups 1) normal (N = 20), 2) omarthrosis (N = 19), 3) labral injury (N = 23), and 4) rotator cuff tear (N = 21).

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The distinction between the Ehlers-Danlos syndrome hypermobile type (EDSH) and the benign joint hypermobility syndrome (BJHS) is unclear. The aim of the present study was to compare skin ultrastructural abnormalities of EDSH and BJHS among different families. Skin of 23 EDSH, 27 BJHS, and 41 asymptomatic subjects from 17 families was examined using transmission electron microscopy.

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  • As the population ages, the incidence of osteoporotic fractures is expected to rise, making it crucial to diagnose osteoporosis effectively.
  • Bone mineral density (BMD) measurements and the FRAX tool, which assesses the 10-year risk of fractures, help identify high-risk patients but may still miss some individuals needing treatment.
  • Incorporating bone turnover markers with existing risk factors could enhance treatment effectiveness for osteoporosis, though the cost-effectiveness of this approach is still uncertain.
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Osteoporosis is characterized by the occurrence of a host of fractures. According to densitometric values, an operational definition for osteoporosis corresponds to a loss of 25% to 30% (-2.5 T-scores) compared with the mean values of bone mineral density of young premenopausal women.

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Paget's disease of bone is characterised by a focal increase in bone resorption and bone formation. This anarchic metabolism leads to disorganised bone, with bone pain, fragility, deformity and compression of the peripheral or CNS according to the involved site. Quality of life of sufferers is dramatically impaired.

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