Publications by authors named "Allen R"

Glaucoma is the leading cause of irreversible blindness with early detection and intervention critical to slowing disease progression. However, half of those affected are undiagnosed. This is largely due to the early stages of disease being asymptomatic; current population-based screening measures being unsupported; and a lack of current efficient prediction models.

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Background: Few treatments are available for individuals with marked treatment-resistant depression (TRD).

Objective: Evaluate the safety and effectiveness of FDA-approved adjunctive vagus nerve stimulation (VNS) in patients with marked TRD.

Methods: This 12-month, multicenter, double-blind, sham-controlled trial included 493 adults with marked treatment-resistant major depression who were randomized to active or no-stimulation sham VNS for 12 months.

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Background: Depression treatments aim to minimize symptom burden and optimize quality of life (QoL) and psychosocial function.

Objective: Compare the effects of adjunctive versus sham vagus nerve stimulation (VNS) on QoL and function in markedly treatment-resistant depression (TRD).

Methods: In this multicenter, double-blind, sham-controlled trial, 493 adults with TRD and ≥4 adequate but unsuccessful antidepressant treatment trials (current episode) were randomized to active (n = 249) or sham (n = 244) VNS (plus treatment as usual) over a 12-month observation period.

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Background: There are large and persistent social inequalities in children's educational attainment, with children from more socioeconomically disadvantaged families consistently having lower attainment. Despite this being widely reported, the mechanisms underlying the association between socioeconomic disadvantage and educational attainment are not well understood. It is important to understand the potential mechanisms by which socioeconomic disadvantage may impede on educational outcomes, as this knowledge could then be used to help target possible interventions to improve educational outcomes for socioeconomically disadvantaged children.

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Study Objective: We performed a systematic review and Bayesian network meta-analysis to determine which pharmacologic therapies are relatively more effective and safer for migraine in adult patients who present to the emergency department (ED).

Methods: We searched MEDLINE, Embase, and Web of Science from inception to February 9, 2024. Eligible studies were randomized controlled trials that enrolled adult participants presenting to ED with migraine and compared one pharmacologic therapy to another or placebo.

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Objectives: To determine whether daily provision of a high protein, high energy meal for 12-weeks to under-nourished older adults living independently in the community can improve physical, physiological, and psychological outcomes.

Design: A randomised crossover trial.

Setting: Participant homes within a 15-mile radius to meal supplier; Dartmoor Community Kitchen Hub.

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Article Synopsis
  • Accelerated decline in lung function is linked to chronic respiratory diseases, and while genetics play a role, few genetic connections have been found.
  • This study aimed to investigate genetic variants associated with lung function decline using genome-wide association studies (GWAS) across diverse populations in multiple cohorts.
  • They identified 361 significant genetic variants potentially related to lung function declines, with some replicated in additional cohorts, indicating strong genetic influences on respiratory health.
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Methods: The authors performed a computerized search using PubMed, Embase, and Google Scholar. The search terms used were "chemotherapy AND surgery", "immunotherapy AND surgery", "radiotherapy AND surgery", "nutrition AND surgery", "(oculoplastic OR orbit OR eyelid OR lacrimal OR puncta) AND (chemotherapy OR immunotherapy OR radiotherapy)", "(facial OR facial plastic OR oculoplastic) AND (chemotherapy OR immunotherapy OR radiotherapy)", "(cancer OR malignancy) AND surgery", "(cancer OR malignancy) AND (surgery OR surgical) complications", "wound healing AND (cancer OR malignancy)", "infection AND (cancer OR malignancy)", "(bleeding OR blood loss) AND (cancer OR malignancy) AND surgery", "(chemotherapy OR immunotherapy OR radiotherapy) AND wound healing", "(chemotherapy OR immunotherapy OR radiotherapy) AND (bleeding OR blood loss)", "(chemotherapy OR immunotherapy OR radiotherapy) AND infection".

Results: A total of 89 articles, published from 1993 to 2023 in the English language or with English translations were included.

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  • Patients undergoing abdominal-based free flap breast reconstruction face a risk of venous thromboembolism (VTE), and the study tested if a standardized anticoagulation protocol could reduce this risk.
  • A retrospective review analyzed 2,317 patients, comparing outcomes between those treated before and after implementing an enhanced recovery after surgery (ERAS) protocol in 2015, which included enoxaparin for different durations based on body mass index (BMI).
  • The results showed low VTE rates in both groups with no significant differences, but the ERAS cohort had notably lower flap failure rates, indicating that the new protocol was effective without increasing other complications.
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Article Synopsis
  • - The study investigates the relationship between diabetes mellitus (DM) and idiopathic pulmonary fibrosis (IPF) using a Mendelian randomisation approach to determine if there is a causal link between the two.
  • - Analysis of genetic data showed that neither type 1 diabetes (T1D) nor type 2 diabetes (T2D) appeared to directly cause IPF, nor did other diabetes-related factors like HbA1c or fasting insulin levels.
  • - The findings suggest that while DM and IPF often coexist, their relationship may be influenced by common risk factors or complications rather than a direct causal connection.
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The purpose of this project was to examine a free tailored childbirth education (CBE) program's impact on fear of childbirth and birth preferences in Black, Indigenous, and people of color women. Expectant mothers ( = 8) completed an investigator-designed questionnaire before attending a prenatal community-based CBE program. Post-CBE surveys were not analyzed due to participant data not matching the pre-CBE surveys.

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  • Non-university hospitals in Germany provide most inpatient care, making it crucial to analyze the quality of antimicrobial prescribing in these facilities.
  • A study conducted in 2021 across 10 hospitals in Baden-Württemberg revealed that 33% of patients received antimicrobial treatment, with most prescriptions being therapeutic.
  • Findings showed low adherence to quality indicators, highlighting the need for improved prescribing practices and the implementation of effective antimicrobial stewardship programs.
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Background: Warmblood horses are a popular breed around the world for equestrian sports. Previous studies have investigated ocular findings in other breeds of horses; however, no studies exist for the Warmblood breed.

Objectives: To determine the prevalence of ocular abnormalities in a convenience sample of Warmblood horses in South Africa and to determine if the prevalence of lens and chorioretinal lesions increase with age.

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Purpose: To determine the pre-operative, peri-operative, or post-operative risk factors that contribute to pediatric frontalis sling infection or exposure.

Methods: Retrospective study of 193 eyelids that underwent silicone-rod frontalis sling surgery at a single institution between 2014 and 2019.

Results: A total of 222 eyelids were originally identified.

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In drug development, quantitative systems pharmacology (QSP) models are becoming an increasingly important mathematical tool for understanding response variability and for generating predictions to inform development decisions. Virtual populations are essential for sampling uncertainty and potential variability in QSP model predictions, but many clinical efficacy endpoints can be difficult to capture with QSP models that typically rely on mechanistic biomarkers. In oncology, challenges are particularly significant when connecting tumor size with time-to-event endpoints like progression-free survival while also accounting for censoring due to consent withdrawal, loss in follow-up, or safety criteria.

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Background:  Experiential learning through simulation allows students to apply didactic knowledge to real-world situations. Tabletop simulation allows for the exploration of a variety of topics, including cybersecurity in health care. Due to its low frequency, yet high-risk nature, simulation is a perfect educational modality to practice responding to a cybersecurity attack.

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Objectives: Approximately 10% of patients with syncope have serious or life-threatening causes that may not be apparent during the initial emergency department (ED) assessment. Consequently, researchers have developed clinical decision rules (CDRs) to predict adverse outcomes and risk stratify ED syncope patients. This systematic review and meta-analysis (SRMA) aims to cohere and synthesize the best current evidence regarding the methodological quality and predictive accuracy of CDRs for developing an evidence-based ED syncope management guideline.

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Tree growth-survival relationships link two demographic processes that individually dictate the composition, structure and functioning of forest ecosystems. While these relationships vary intra-specifically, it remains unclear how this reflects environmental variation and disturbance. We examined the influence of a 700-m elevation gradient and an  = 6.

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Background: The clinical course of idiopathic pulmonary fibrosis (IPF) is highly variable and unpredictable, with multiple genetic variants influencing IPF outcomes. Notably, rare pathogenic variants in telomere-related genes are associated with poorer clinical outcomes in these patients. Here we assessed whether rare qualifying variants (QVs) in monogenic adult-onset pulmonary fibrosis (PF) genes are associated with IPF survival.

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Article Synopsis
  • The study focuses on two bacterial strains isolated from the bile duct microbiome of solid organ transplant patients.
  • The strains are specifically named MS-STENT-08-E-001 and MS-STENT-01-M-001.
  • These bacterial strains were obtained from biofilms found on bile duct catheters, highlighting their relevance in this medical context.
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Background: In non-nephrology settings, specialty Palliative Care (PC) improves decision-making, patient's quality of life (QoL), advance care planning (ACP), and certain indicators of the quality of end-of-life (EoL) care. This pilot RCT explored the feasibility and acceptability of a PC intervention, CKD-EDU, for older adults ≥75 years with eGFR ≤25 ml/min and their caregivers.

Methods: Participants randomized to the control group received standard nephrology care and routine kidney therapy (KT) education, while those randomized to CKD-EDU received a decision aid and met with a PC clinician up to three times to discuss KT decisions and EoL planning.

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