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Fred Stephen Sarfo Albert Akpalu Ansumana Bockarie Lambert Appiah Samuel Blay Nguah Nana Kwame Ayisi-Boateng Sheila Adamu Christiana Neizer Agnes Arthur Richard Nyamekye Kwabena Agyenim-Boateng Raelle Tagge Nathaniel Adusei-Mensah Michael Ampofo Ruth Laryea Arti Singh John Humphry Amuasi Bruce Ovbiagele 《Journal of stroke and cerebrovascular diseases》2021,30(8):105888
ObjectivesThe Sub-Saharan African (SSA) region now has the highest estimated effect size of hypertension for stroke causation worldwide. An urgent priority for countries in SSA is to develop and test self-management interventions to control hypertension among those at highest risk of adverse outcomes. Thus the overall objective of the Phone-based Intervention under Nurse Guidance after Stroke II study (PINGS-2) is to deploy a hybrid study design to assess the efficacy of a theoretical-model-based, mHealth technology-centered, nurse-led, multi-level integrated approach to improve longer term blood pressure (BP) control among stroke survivors.Materials and methodsA phase III randomized controlled trial involving 500 recent stroke survivors to be enrolled across 10 Ghanaian hospitals. Using a computer-generated sequence, patients will be randomly assigned 1:1 into the intervention or usual care arms. The intervention comprises of (i) home BP monitoring at least once weekly with nurse navigation for high domiciliary BP readings; (2) medication reminders using mobile phone alerts and (3) education on hypertension and stroke delivered once weekly via audio messages in preferred local dialects. The intervention will last for 12 months. The control group will receive usual care as determined by local guidelines. The primary outcome is the proportion of patients with systolic BP <140 mm Hg at 12 months. Secondary outcomes will include medication adherence, self-management of hypertension, major adverse cardiovascular events, health related quality of life and implementation outcomes.ConclusionAn effective PINGS intervention can potentially be scaled up and disseminated across healthcare systems in low-and-middle income countries challenged with resource constraints to reduce poor outcomes among stroke survivors. 相似文献
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Julie N.E. Chan Melanie Humphry Lauren Kitt Dominika Krzyzanska Kara J. Filbey Martin R. Bennett Murray C.H. Clarke 《European journal of immunology》2020,50(11):1663-1675
IL-1 is a powerful cytokine that drives inflammation and modulates adaptive immunity. Both IL-1α and IL-1β are translated as proforms that require cleavage for full cytokine activity and release, while IL-1α is reported to occur as an alternative plasma membrane-associated form on many cell types. However, the existence of cell surface IL-1α (csIL-1α) is contested, how IL-1α tethers to the membrane is unknown, and signaling pathways controlling trafficking are not specified. Using a robust and fully validated system, we show that macrophages present bona fide csIL-1α after ligation of TLRs. Pro-IL-1α tethers to the plasma membrane in part through IL-1R2 or via association with a glycosylphosphatidylinositol-anchored protein, and can be cleaved, activated, and released by proteases. csIL-1α requires de novo protein synthesis and its trafficking to the plasma membrane is exquisitely sensitive to inhibition by IFN-γ, independent of expression level. We also reveal how prior csIL-1α detection could occur through inadvertent cell permeabilisation, and that senescent cells do not drive the senescent-associated secretory phenotype via csIL-1α, but rather via soluble IL-1α. We believe these data are important for determining the local or systemic context in which IL-1α can contribute to disease and/or physiological processes. 相似文献
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IntroductionHip displacement is common in cerebral palsy (CP) and is related to the severity of neurological and functional impairment. It is a silent, but progressive disease, and can result in significant morbidity and decreased quality of life, if left untreated. The pathophysiology of hip displacement in CP is a combination of hip flexor-adductor muscle spasticity, abductor muscle weakness, and delayed weight-bearing, resulting in proximal femoral deformities and progressive acetabular dysplasia. Due to a lack of symptoms in the early stages of hip displacement, the diagnosis is easily missed. Awareness of this condition and regular surveillance by clinical examination and serial radiographs of the hips are the key to early diagnosis and treatment.Hip surveillance programmesSeveral population-based studies from around the world have demonstrated that universal hip surveillance in children with CP allows early detection of hip displacement and appropriate early intervention, with a resultant decrease in painful dislocations. Global hip surveillance models are based upon the patients’ age, functional level determined by the Gross Motor Function Classification system (GMFCS), gait classification, standardized clinical exam, and radiographic indices such as the migration percentage (MP), as critical indicators of progressive hip displacement.ConclusionDespite 25 years of evidence showing the efficacy of established hip surveillance programmes, there is poor awareness among healthcare professionals in India about the importance of regular hip surveillance in children with CP. There is a need for professional organizations to develop evidence-based guidelines for hip surveillance which are relevant to the Indian context. 相似文献
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R Williams S Nussey R Humphry G Thompson 《British medical journal (Clinical research ed.)》1986,293(6555):1140-1142
Non-mydriatic retinal photography with later interpretation of the photographs was assessed as a screening method for the detection of diabetic retinopathy; when compared with an ophthalmologist's clinical assessment in a random group of 62 diabetic patients it was accurate (false negative 6.8%, false positive 2%) and sensitive (sensitivity 96%, specificity 98%). The assessment of further management required based on analysis of the photographs was 96.5% in agreement with the further management suggested by the ophthalmologist after direct clinical assessment of the patient. If this technique were used to screen patients in a typical diabetic clinic the predicted positive accuracy rate would be 84% and the predicted negative accuracy rate 99.5%. 相似文献
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R C Humphry G Wright W J Rich R Simpson 《Journal of the Royal Society of Medicine》1989,82(5):304-305