480 results match your criteria: "United Kingdom (Bunce); Kings College[Affiliation]"

Objective: To evaluate the output of a child eye health programme in terms of identification, referral, and volume of paediatric cataract surgeries in Kaduna State, Nigeria.

Materials And Methods: This was a retrospective review of the North-West Nigeria Child Eye Health Initiative programme referral registers at primary, secondary and tertiary hospitals in Kaduna State. Theatre registers of children 0-16 years who had cataract surgery at National Eye Centre Kaduna between 2016 and 2019 were also reviewed.

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Background: In the United Kingdom, it is estimated that 5,000 patients sustain eye injuries or ocular trauma requiring hospital admission annually, of which 250 patients will be permanently blinded. This study explores the cost-effectiveness of Adjunctive Steroid Combination in Ocular Trauma (ASCOT) given during surgery versus standard treatment in vitreoretinal surgery in patients with open globe trauma.

Methods: This economic evaluation was embedded alongside the ASCOT RCT (ClinicalTrials.

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Introduction: There is majority support in parliament and across the United Kingdom to implement a "smoke-free generation" policy which would mean people born on or after January 1, 2009, could never legally be sold tobacco. To explore the potential impact this policy could have, we estimated the number of young adults (18-25 years) currently taking up smoking each year by area across the United Kingdom.

Methods: Using data from the Office for National Statistics (ONS), Annual Population Survey (APS), and Smoking Toolkit Study (STS), we estimated the total number of 18- to 25-year-olds taking up smoking each year, based on national estimates of population size (ONS) and the proportion who reported ever having regularly smoked (STS).

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We present an exploratory cross-linguistic analysis of the quantity of target-child-directed speech and adult-directed speech in North American English (US & Canadian), United Kingdom English, Argentinian Spanish, Tseltal (Tenejapa, Mayan), and Yélî Dnye (Rossel Island, Papuan), using annotations from 69 children aged 2-36 months. Using a novel methodological approach, our cross-linguistic and cross-cultural findings support prior work suggesting that target-child-directed speech quantities are stable across early development, while adult-directed speech decreases. A preponderance of speech from women was found to a similar degree across groups, with less target-child-directed speech from men and children in the North American samples than elsewhere.

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Genome-wide association studies on periodontitis: A systematic review.

PLoS One

September 2024

Oral Clinical Research Unit, Faculty of Dentistry Oral and Craniofacial Sciences, King's College London, London, United Kingdom.

Article Synopsis
  • - This study systematically reviews the literature on genome-wide association studies (GWAS) related to periodontitis, focusing on evaluating the genetic risk variants linked to this condition.
  • - A total of 15 high-quality GWAS were assessed, revealing 11 significant risk SNPs and 41 suggestive SNPs, but there was considerable variability in the study designs, and no SNPs were consistently identified across different studies.
  • - The findings highlight the challenges of establishing reliable genetic risk factors for periodontitis due to methodological inconsistencies and a lack of shared data, indicating a need for standardized protocols in dental research.
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Article Synopsis
  • The study examined the effects of myocardial injury in hospitalized COVID-19 survivors who had elevated troponin levels, using cardiac imaging and tracking health-related quality of life over 12 months.* -
  • Conducted in 25 UK centers, the research involved 342 participants, finding that while some cardiovascular events occurred, overall major adverse outcomes were low after 12 months.* -
  • Results showed slight improvements in heart function and quality of life after 6 months, with no evidence of ongoing myocardial inflammation or progression of heart injury.*
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Background: Timely and informed public health responses to infectious diseases such as COVID-19 necessitate reliable information about infection dynamics. The case ascertainment rate (CAR), the proportion of infections that are reported as cases, is typically much less than one and varies with testing practices and behaviours, making reported cases unreliable as the sole source of data. The concentration of viral RNA in wastewater samples provides an alternate measure of infection prevalence that is not affected by clinical testing, healthcare-seeking behaviour or access to care.

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Purpose: The Laser in Glaucoma and Ocular Hypertension Trial demonstrated the efficacy and safety of selective laser trabeculoplasty (SLT) compared with topical hypotensive medication as first-line therapy for ocular hypertension and open-angle glaucoma. This substudy explored the impact of pretreatment (baseline) intraocular pressure (IOP) on treatment response.

Design: Post hoc analysis of randomized control trial data.

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Significance: Photoacoustic imaging (PAI) promises to measure spatially resolved blood oxygen saturation but suffers from a lack of accurate and robust spectral unmixing methods to deliver on this promise. Accurate blood oxygenation estimation could have important clinical applications from cancer detection to quantifying inflammation.

Aim: We address the inflexibility of existing data-driven methods for estimating blood oxygenation in PAI by introducing a recurrent neural network architecture.

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Objectives: To validate and update the 2013 James Lind Alliance (JLA) Sight Loss and Vision Priority Setting Partnership (PSP)'s research priorities for Ophthalmology, as part of the UK Clinical Eye Research Strategy.

Methods: Twelve ophthalmology research themes were identified from the JLA report. They were allocated to five Clinical Study Groups of diverse stakeholders who reviewed the top 10 research priorities for each theme.

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Importance: SARS-CoV-2 viral load (VL) in the nasopharynx is difficult to quantify and standardize across settings, but it may inform transmission potential and disease severity.

Objective: To characterize VL at COVID-19 diagnosis among previously uninfected and unvaccinated individuals by evaluating the association of demographic and clinical characteristics, viral variant, and trial with VL, as well as the ability of VL to predict severe disease.

Design, Setting, And Participants: This secondary cross-protocol analysis used individual-level data from placebo recipients from 4 harmonized, phase 3 COVID-19 vaccine efficacy trials sponsored by Moderna, AstraZeneca, Janssen, and Novavax.

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Objectives: In the UK, a range of support services and interventions are available to people who have experienced or perpetrated domestic and sexual violence and abuse (DSVA). However, it is currently not clear which outcomes and outcome measures are used to assess their effectiveness. The objective of this review is to summarise, map and identify trends in outcome measures in evaluations of DSVA services and interventions in the UK.

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Background: Evidence on workplace bullying and harassment (WBH) in the UK has not used probability-sample surveys with robust mental health assessments. This study aimed to profile the prevalence and nature of WBH in England, identify inequalities in exposure, and quantify adjusted associations with mental health.

Methods: Data were from the 2014 Adult Psychiatric Morbidity Survey, a cross-sectional probability-sample survey of the household population in England.

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Sexual violence and abuse (SVA) is highly prevalent globally, has devastating and wide-ranging effects on victim-survivors, and demands the provision of accessible specialist support services. In the UK, Rape Crisis England & Wales (RCEW), a voluntary third sector organization, is the main provider of specialist SVA services. Understanding the profile of victim-survivors who are referred to RCEW and their referral outcomes is important for the effective allocation of services.

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Persistent congenital hyperinsulinism (HI) is a rare genetically heterogeneous condition characterised by dysregulated insulin secretion leading to life-threatening hypoglycaemia. For up to 50% of affected individuals screening of the known HI genes does not identify a disease-causing variant. Large deletions have previously been used to identify novel regulatory regions causing HI.

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Reply : Incidence and factors for pseudoaccommodation after monofocal lens implantation: the Monofocal Extended Range of Vision study.

J Cataract Refract Surg

June 2024

From the Sussex Eye Hospital, University Hospitals Sussex NHS Foundation Trust, Brighton, United Kingdom (Nanavaty, Mukhija, Ashena); Brighton & Sussex Medical School, University of Sussex, Falmer, Brighton, United Kingdom (Nanavaty); The Royal Marsden NHS Foundation Trust, Sutton, United Kingdom (Bunce); Kings College, London, United Kingdom (Spalton).

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Purpose: To investigate whether intraocular pressure (IOP) fluctuation is associated independently with the rate of visual field (VF) progression in the United Kingdom Glaucoma Treatment Study.

Design: Randomized, double-masked, placebo-controlled multicenter trial.

Participants: Participants with ≥5 VFs (213 placebo, 217 treatment).

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Significance: Photoacoustic imaging (PAI) provides contrast based on the concentration of optical absorbers in tissue, enabling the assessment of functional physiological parameters such as blood oxygen saturation (). Recent evidence suggests that variation in melanin levels in the epidermis leads to measurement biases in optical technologies, which could potentially limit the application of these biomarkers in diverse populations.

Aim: To examine the effects of skin melanin pigmentation on PAI and oximetry.

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Background: Domestic and sexual violence and abuse (DSVA) is prevalent in the UK, with wide-ranging impacts both on individuals and society. However, to date, there has been no systematic synthesis of the evidence for the effectiveness of UK-based support interventions and services for victim-survivors of DSVA. This review will aim to systematically collate, synthesise and quality assess the evidence regarding the effectiveness of UK support interventions and services targeted at those who have experienced DSVA.

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Background: Evidence on workplace bullying and harassment (WBH) in the UK has not used probability-sample surveys with robust mental health assessments. This study aimed to profile the prevalence and nature of WBH in England, identify inequalities in WBH exposure, and quantify adjusted associations with mental health.

Methods: Data were from the 2014 Adult Psychiatric Morbidity Survey, a cross-sectional probability-sample survey of the household population in England, interviewed with verbal informed consent.

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Accurate measurement of optical absorption coefficients from photoacoustic imaging (PAI) data would enable direct mapping of molecular concentrations, providing vital clinical insight. The ill-posed nature of the problem of absorption coefficient recovery has prohibited PAI from achieving this goal in living systems due to the domain gap between simulation and experiment. To bridge this gap, we introduce a collection of experimentally well-characterised imaging phantoms and their digital twins.

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BACKGROUNDPhase 1 study of ATRinhibition alone or with radiation therapy (PATRIOT) was a first-in-human phase I study of the oral ATR (ataxia telangiectasia and Rad3-related) inhibitor ceralasertib (AZD6738) in advanced solid tumors.METHODSThe primary objective was safety. Secondary objectives included assessment of antitumor responses and pharmacokinetic (PK) and pharmacodynamic (PD) studies.

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Aim: The management of anal fissure: ACPGBI position statement was written 15 years ago. [KLR Cross et al., Colorectal Dis, 2008].

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The MHC Associated Peptide Proteomics assay is a useful tool for the non-clinical assessment of immunogenicity.

Front Immunol

November 2023

Hemostasis Branch 1, Division of Hemostasis, Office of Plasma Protein Therapeutics, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD, United States.

The propensity of therapeutic proteins to elicit an immune response, poses a significant challenge in clinical development and safety of the patients. Assessment of immunogenicity is crucial to predict potential adverse events and design safer biologics. In this study, we employed MHC Associated Peptide Proteomics (MAPPS) to comprehensively evaluate the immunogenic potential of re-engineered variants of immunogenic FVIIa analog (Vatreptacog Alfa).

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