Publications by authors named "Davies-Jones G"

The prevalence of diabetes mellitus and its associated complications, particularly diabetic foot pathologies, poses significant healthcare challenges and economic burdens globally. This review synthesises current evidence on the surgical management of the diabetic foot, focusing on the interplay between neuropathy, ischemia, and infection that commonly culminates in ulcers, infections, and, in severe cases, amputations. The escalating incidence of diabetes mellitus underscores the urgency for effective management strategies, as diabetic foot complications are a leading cause of hospital admissions among diabetic patients, significantly impacting morbidity and mortality rates.

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Background: Enhanced recovery (ER) programmes are well established in hip and knee arthroplasty, but are not yet commonplace for total shoulder arthroplasty (TSA). This study analyses the effect of implementing an ER programme with TSA, on length of stay (LOS), functional outcome and patient satisfaction.

Local Problem: No established programme applying ER to the specifics of upper-limb arthroplasty existed at our unit.

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Shoulder problems account for 2.4% of GP consultations in the United Kingdom and of those 70% are related to the rotator cuff. Many rotator cuff tears are of a degenerate nature but they can occur as a result of trauma in 8% of cases.

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The purpose of this study was to investigate the possibility that autoimmunity is responsible for some cases of sporadic idiopathic ataxia. We prospectively investigated 400 patients with progressive ataxia and identified a group of patients with idiopathic sporadic ataxia. A comparison of the prevalence of autoimmune diseases, the autoimmunity linked HLA DQ2, and serum anticerebellar antibodies was made between patients with idiopathic sporadic and those with genetically characterized ataxia.

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Ataxia and peripheral neuropathy are the most common neurological manifestations of gluten sensitivity. Myopathy is a less common and poorly characterized additional neurological manifestation of gluten sensitivity. We present our experience with 13 patients who presented with symptoms and signs suggestive of a myopathy and in whom investigation led to the diagnosis of gluten sensitivity.

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Objectives: To prospectively study the clinical, neurophysiological and neuropathological characteristics of axonal neuropathies associated with positive antigliadin antibodies and the prevalence of such neuropathies in a cohort of patients with sporadic axonal neuropathy.

Methods: Prospective screening (using antigliadin, antiendomysium and tissue transglutaminase antibodies) of patients with peripheral neuropathy attending a neurology clinic.

Results: 215 patients with axonal neuropathy were screened.

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Chemokines have a pivotal role in the selective mediation and amplification of inflammation. The CNS vascular endothelial cells, which form part of the blood-brain barrier (BBB) and blood-retinal barrier (BRB), are ideally situated to present chemokines to circulating lymphocytes leading to their recruitment. Monocyte-chemoattractant protein-1 (MCP-1), also known as CCL2, a potent chemoattractant of T cells and monocytes, has been implicated in inflammatory and angio-proliferative brain and retinal disease.

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Background: Gluten ataxia is an immune mediated disease, part of the spectrum of gluten sensitivity, and accounts for up to 40% of cases of idiopathic sporadic ataxia. No systematic study of the effect of gluten-free diet on gluten ataxia has ever been undertaken.

Objective: To study the effect of gluten-free diet on patients presenting with ataxia caused by gluten sensitivity.

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Objective: To characterize humoral response to cerebellum in patients with gluten ataxia.

Background: Gluten ataxia is a common neurologic manifestation of gluten sensitivity.

Methods: The authors assessed the reactivity of sera from patients with gluten ataxia (13), newly diagnosed patients with celiac disease without neurologic dysfunction (24), patients with other causes of cerebellar degeneration (11), and healthy control subjects (17) using indirect immunocytochemistry on human cerebellar and rat CNS tissue.

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The authors describe 10 patients with gluten sensitivity and abnormal MRI. All experienced episodic headache, six had unsteadiness, and four had gait ataxia. MRI abnormalities varied from confluent areas of high signal throughout the white matter to foci of high signal scattered in both hemispheres.

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Matrix metalloproteinases (MMPs) have been implicated in the early breakdown of the blood-brain barrier in neuroinflammatory disease. Although expression of these enzymes by resident glial cells and recruited immune cells has been described, altered expression of MMPs by the CNS vascular endothelial cells may also contribute to barrier disruption. In the present study, the in vitro expression of MMP-2 and -9 as well as tissue inhibitor of metalloproteinase (TIMP)-2 by rat CNS microvascular endothelial cells has been determined and compared with that by endothelial cell lines derived from rat aorta and high endothelial venules.

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A large English family with autosomal dominant segregation of presenile dementia, ataxia and other neuropsychiatric features is described. Diagnoses of demyelinating disease, Alzheimer's disease, Creutzfeldt-Jakob disease (CJD) and Gerstmann-Sträussler-Scheinker syndrome have been attributed to particular individuals at different times. An Irish family, likely to be part of the same kindred, is also described, in which diagnoses of multiple sclerosis, dementia, corticobasal degeneration and new variant CJD have been considered in affected individuals.

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Background: Ataxia is the commonest neurological manifestation of coeliac disease. Some individuals with genetic susceptibility to the disease have serological evidence of gluten sensitivity without overt gastrointestinal symptoms or evidence of small-bowel inflammation. The sole manifestation of disease in such patients may be ataxia.

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Hypoglycaemia is common in people with diabetes who aim to achieve good blood glucose control. Severe hypoglycaemia presents with evidence of neurological dysfunction, such as inability to concentrate, confusion, seizures, and coma. Such disturbances are reversible on correction of the hypoglycaemia.

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Objectives: To describe the range of neuromuscular disorders which may be associated with cryptic coeliac disease.

Methods: Nine patients were described with neuromuscular disorders associated with circulating antigliadin antibodies, whose duodenal biopsies later confirmed the diagnosis of coeliac disease. Neurological symptoms antedated the diagnosis of coeliac disease in all, and most had minimal or no gastrointestinal symptoms at the onset of the neuromuscular disorder.

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Objective: Benign intracranial hypertension (BIH) may be caused by intracranial venous sinus thrombosis. Cerebral angiograms may, however, be normal in patients with BIH that are associated with conditions with an increased risk of venous thrombosis. This raises the possibility that unrecognised non-occlusive venous thrombus might impede CSF drainage.

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Background: Antigliadin antibodies are a marker of untreated coeliac disease but can also be found in individuals with normal small-bowel mucosa. Because neurological dysfunction is a known complication of coeliac disease we have investigated the frequency of antigliadin antibodies, as a measure of cryptic gluten sensitivity, and coeliac disease in neurological patients.

Methods: Using ELISA, we estimated serum IgG and IgA antigliadin antibodies in 147 neurological patients who were divided into two groups.

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We report the occurrence of livedo reticularis in a patient with symptomatic hereditary type 1 protein C deficiency. Antithrombin III deficiency and the antiphospholipid syndrome may also be associated with livedo reticularis, and we suggest that a thrombophilia screen may be a useful investigation in a patient with otherwise unexplained livedo, particularly if there is a personal or family history of thromboembolism.

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MR studies in three patients with multiple sclerosis have shown clearly defined rings within plaques of demyelination, having signal characteristics consistent with the presence of paramagnetic material. It is suggested that these appearances represent the presence of free radicals in the macrophage layer forming the margin of an acute plaque.

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Magnetic stimulation was used to measure motor conduction time (MCT) between head and neck in a prospective longitudinal study of patients with multiple sclerosis (MS) and normal subjects. MCT measurements showed a high degree of reproducibility in normal subjects and patients with stable MS. In patients with definite MS, there was significant positive correlation between MCT and motor disability.

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