Publications by authors named "Beilby J"

Understanding the distribution and variation in inflammatory markers is crucial for advancing our knowledge of inflammatory processes and evaluating their clinical utility in diagnosing and monitoring acute and chronic disease. 1H NMR spectroscopy of blood plasma and serum was applied to measure a composite panel of inflammatory markers based on acute phase glycoprotein signals (GlycA and GlycB) and sub-regions of the lipoprotein derived Supramolecular Phospholipid Composite signals (SPC1, SPC2 and SPC3) to establish normal ranges in two healthy, predominantly white cohorts from Australia (n = 398) and Spain (n = 80; ages 20-70 years). GlycA, GlycB, SPC1 and SPC3 were not significantly impacted by age or sex, but SPC2 (an HDL-related biomarker) was significantly higher in women across all age ranges by an average of 33.

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Background: As the world's population ages, there is a growing concern with frailty, marked by reduced strength and greater vulnerability to stress. Overcoming obstacles like reluctance towards screening methods in this process is crucial for identifying and addressing frailty at an early stage. Understanding older people's perspectives can help adapt screening procedures in primary healthcare settings.

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Background: Genomic sequencing technology allows for identification of reproductive couples with an increased chance, as compared with that in the general population, of having a child with an autosomal recessive or X-linked genetic condition.

Methods: We investigated the feasibility, acceptability, and outcomes of a nationwide, couple-based genetic carrier screening program in Australia as part of the Mackenzie's Mission project. Health care providers offered screening to persons before pregnancy or early in pregnancy.

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Article Synopsis
  • The study examined the effectiveness of eight frailty assessment tools in predicting all-cause mortality and other negative outcomes among older adults (75+) in South Australia.
  • All frailty instruments were found to significantly predict mortality at 12 and 24 months, with the Reported Edmonton Frail Scale showing the best predictive performance.
  • The results suggest that using frailty measurements in primary care can help identify older patients at higher risk of mortality and assist healthcare providers in making informed clinical decisions.
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Background: Accurate risk stratification is vital for primary prevention of cardiovascular disease (CVD). However, traditional tools such as the Framingham Risk Score (FRS) may underperform within the diverse intermediate-risk group, which includes individuals requiring distinct management strategies.

Objectives: This study aimed to develop a lipidomic-enhanced risk score (LRS), specifically targeting risk prediction and reclassification within the intermediate group, benchmarked against the FRS.

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We performed a systematic review and meta-analysis of hypertension in people living with human immunodeficiency virus (HIV) in sub-Saharan Africa (SSA). We searched the PubMed, Google Scholar, African Index Medicus, and Embase databases to identify studies published from January 1, 2010, to December 31, 2021. We used a random-effects model to estimate the pooled prevalence of hypertension and mean SBP/DBP level on a sex-specific basis.

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Article Synopsis
  • The study highlights the lack of data on adolescents in sub-Saharan Africa with elevated blood pressure (BP) and its long-term cardiovascular risks.
  • Using meta-analysis from over 37,000 adolescents, it found that 7.2% of 10-14 year-olds and 13.0% of 15-19 year-olds in SSA have elevated BP.
  • The research estimates that between 201,000 to 503,000 excess cardiovascular events could be linked to hypertension in those transitioning from adolescence to adulthood.
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Background: Metabolic ageing biomarkers may capture the age-related shifts in metabolism, offering a precise representation of an individual's overall metabolic health.

Methods: Utilising comprehensive lipidomic datasets from two large independent population cohorts in Australia (n = 14,833, including 6630 males, 8203 females), we employed different machine learning models, to predict age, and calculated metabolic age scores (mAge). Furthermore, we defined the difference between mAge and age, termed mAgeΔ, which allow us to identify individuals sharing similar age but differing in their metabolic health status.

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Background: Decreased levels of circulating ethanolamine plasmalogens [PE(P)], and a concurrent increase in phosphatidylethanolamine (PE) are consistently reported in various cardiometabolic conditions. Here we devised, a plasmalogen score (Pls Score) that mirrors a metabolic signal that encompasses the levels of PE(P) and PE and captures the natural variation in circulating plasmalogens and perturbations in their metabolism associated with disease, diet, and lifestyle.

Methods: We utilised, plasma lipidomes from the Australian Obesity, Diabetes and Lifestyle study (AusDiab; n = 10,339, 55% women) a nationwide cohort, to devise the Pls Score and validated this in the Busselton Health Study (BHS; n = 4,492, 56% women, serum lipidome) and in a placebo-controlled crossover trial involving Shark Liver Oil (SLO) supplementation (n = 10, 100% men).

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Background: Frailty reduction and reversal have been addressed successfully among older populations within community settings. However, these findings may not be applicable to residential care settings, largely due to the complex and multidimensional nature of the condition. Relatively, few attempts at frailty prevention exist in residential settings.

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Introduction: General practice data, particularly when combined with hospital and other health service data through data linkage, are increasingly being used for quality assurance, evaluation, health service planning and research. In this study, we explored community views on sharing general practice data for secondary purposes, including research, to establish what concerns and conditions need to be addressed in the process of developing a social licence to support such use.

Methods: We used a mixed-methods approach with focus groups (November-December 2021), followed by a cross-sectional survey (March-April 2022).

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Purpose: Developmental stuttering is a complex and multifaceted neurodevelopmental disorder that may cause pervasive negative consequences for adults who stutter (AWS). Historically, intervention for AWS has primarily addressed speech fluency, with less focus on the covert psychosocial aspects of the disorder. The purpose of this article is to report on a feasibility trial evaluating a novel integrated intervention that combines traditional stuttering management techniques with Acceptance and Commitment Therapy (ACT) for AWS.

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  • A genome-wide association study was conducted on thyroid function, analyzing data from up to 271,040 European individuals, focusing on hormones like TSH, FT4, and T3.
  • The study identified 259 significant genetic associations for TSH (61% were novel), and notable findings for FT4 and T3, indicating that specific genes influence thyroid hormone levels and metabolism.
  • The research findings enhance the understanding of thyroid hormone roles and suggest that variations in thyroid function may impact various health conditions including cardiovascular issues, autoimmune diseases, and cancer.
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Article Synopsis
  • * The research will be conducted in three phases: using Citizens' Juries to gather recommendations from older individuals, hosting Policy Roundtables for feedback from diverse stakeholder groups, and co-developing Knowledge Translation resources for effective communication of findings.
  • * Ethical approval for the study has been secured, ensuring adherence to necessary ethical guidelines during research and dissemination of results.
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  • - Obesity increases the risk of type 2 diabetes and cardiovascular disease, but some individuals with normal BMI can still have these conditions, while not all obese people show metabolic issues, leading to the "metabolically healthy obese" concept.
  • - Researchers propose a new measure, the metabolic BMI score (mBMI), which reflects metabolic health more accurately than traditional BMI by identifying those at different risks for disease despite having similar body weights.
  • - Lifestyle changes such as exercise and diet can positively influence an individual’s mBMI, allowing for better identification of at-risk people who may benefit from targeted health interventions.
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Background: More people from sub-Saharan Africa aged between 20 years and 60 years are affected by end-organ damage due to underlying hypertension than people in high-income countries. However, there is a paucity of data on the pattern of elevated blood pressure among adolescents aged 10-19 years in sub-Saharan Africa. We aimed to provide pooled estimates of high blood pressure prevalence and mean levels in adolescents aged 10-19 years across sub-Saharan Africa.

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Background: Community hubs offer a pragmatic approach to address the wellness needs for older adults at risk of social isolation and declining physical activity.

Objective: The current study evaluated the effectiveness of a wellness program delivered from a community hub (either in person or online) on exercise and social connections of community-dwelling older adults living in Australia during a time of social isolation imposed by COVID-19.

Methods: A single group pre-post quasi-experimental study was conducted online and in person from a community hub.

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Background: Circulating lipids and lipoproteins mediate cardiovascular risk, however routine plasma lipid biochemistry provides limited information on pro-atherogenic remnant particles.

Objective: We analysed plasma lipoprotein subclasses including very low-density and intermediate-density lipoprotein (VLDL and IDL); and assessed their associations with health and cardiometabolic risk.

Methods: From 1,976 community-dwelling adults aged 45-67 years, 114/1071 women (10.

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Context: Nonclassic congenital adrenal hyperplasia (NCCAH) requires exclusion before diagnosing polycystic ovary syndrome (PCOS). Increasing use of liquid chromatography and tandem mass spectrometry (LC-MS/MS) necessitates revision of immunoassay-based criteria for NCCAH. Measurement of 21-deoxycortisol (21DF) may simplify the diagnosis of heterozygosity (HTZ), the presence of 1 affected CYP21A2 allele, which currently relies on complex molecular studies.

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Background: Virtual reality (VR) technology has been solidifying its ground since its existence, where engagement and a sense of presence are key. The contemporary field of development has captured the attention of researchers due to its flexibility and compatibility attributes. During the COVID-19 pandemic, several research outputs have shown promising prospects of continuing research in the field of VR design and development-in health sciences including learning and training.

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Objectives: To perform an umbrella review of systematic reviews with meta-analyses (MAs) examining the effectiveness of comprehensive geriatric assessment (CGA) delivered within community settings to general populations of community-dwelling older people against various health outcomes.

Design: Umbrella review of MAs of randomized controlled trials (RCTs).

Setting And Participants: Systematic reviews with MAs examining associations between CGA conducted within the community and any health outcome, where participants were community-dwelling older people with a minimum mean age of 60 years or where at least 50% of study participants were aged ≥60 years.

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  • A major study involving 580,869 participants identified 1,020 genetic signals linked to lung function impairment, which is crucial in understanding chronic obstructive pulmonary disease (COPD) and predicting mortality.
  • * The research found 559 genes related to lung function that were connected to 29 different biological pathways and demonstrated variations across ancestry, age, and smoking habits.
  • * Findings suggest potential new targets for therapy by highlighting specific genetic variants and proteins, ultimately contributing to better understanding and treatment of COPD.
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