ArticleDiagnostics (Basel, Switzerland)2020
Pathophysiology of Hip Disorders in Patients with Mucopolysaccharidosis IVA.
Article in Diagnostics (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 6 citations in OpenAlex.
- Natural History of Morquio A Syndrome.Journal of inherited metabolic disease · 2026Review
- Evaluation of AAV vectors with tissue-specific or ubiquitous promoters in a mouse model of mucopolysaccharidosis type IVA.Molecular therapy. Methods & clinical development · 2025Article
- MUSCULOSKELETAL ALTERATIONS OF ORTHOPEDIC INTEREST IN MUCOPOLYSACCHARIDOSES.Acta ortopedica brasileira · 2025Article
- Adeno-Associated Virus Gene Transfer Ameliorates Progression of Skeletal Lesions in Mucopolysaccharidosis IVA Mice.Human gene therapy · 2024Article
- Total hip arthroplasty in patients with common pediatric hip orthopedic pathology.Journal of children's orthopaedics · 2024Review
- A pictorial review of the radiographic skeletal findings in Morquio syndrome (mucopolysaccharidosis type IV).Pediatric radiology · 2023Review
- Hip pathologies in mucopolysaccharidosis type III.Journal of orthopaedic surgery and research · 2021Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
Patients with mucopolysaccharidoses IVA (MPS IVA) have a progressive accumulation of the specific glycosaminoglycans (GAGs): chondroitin-6-sulfate (C6S) and keratan sulfate (KS), leading to the degeneration of the cartilage matrix and its connective tissue perturbing the regular microarchitecture of cartilage and successively distorting bone ossification and growth. Impaired cartilage quality and poor bone mineralization lead to serious hip disorders in MPS IVA patients. Although hip dysplasia is seen widely in musculoskeletal abnormality of this disorder, the pathophysiology of the hip bone and cartilage morphology in these patients remains unclear. Until now, no systemic study of the hip joints in MPS IVA has been reported by using the combined images of plain film radiographs (PFR) and Magnetic Resonance Imaging (MRI). This study aimed to assess the bony and cartilaginous features of hip joints and to explore the potentially related factors of femoral head osteonecrosis (FHN) and hip subluxation/dislocation in patients with MPS IVA. Hip joints in MPS IVA patients were retrospectively reviewed, based on the findings of PFR and MRI data from 2014 to 2019. Demographic information was also collected and analyzed with imaging measurements. A total of 19 patients (eight boys and 11 girls) were recruited, and 38 hip joints in these patients were examined. Eleven patients (57.9%) had FHN. FHN patients were statistically compared with those without FHN. Correlations between cartilaginous femoral head coverage (CFHC) and acetabular index (AI), cartilaginous AI (CAI), or neck-shaft angle (NSA) were investigated in patients with hip subluxation or dislocation. The greater cartilaginous coverage of the hips than their osseous inherency was observed. Significant correlation was observed between CFHC and AI (r =-0.351,
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