962 results match your criteria: "Robertson Centre for Biostatistics[Affiliation]"

Article Synopsis
  • Atrial fibrillation (AF) is a common heart condition causing irregular heartbeats, which increases risks for strokes and heart failure, and can negatively affect quality of life.
  • The study aims to evaluate the benefits and potential drawbacks of exercise-based cardiac rehabilitation (ExCR) compared to non-exercise methods for individuals with AF or those who have received treatment for it.
  • Researchers conducted a thorough search for randomized clinical trials assessing ExCR interventions, ensuring include participants over 18 with any subtype of AF, and analyzed data to determine the effectiveness and reliability of the evidence gathered.
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A service evaluation of weight management for glycaemic control and remission of type 2 diabetes using traditional food in Nepal (Ho-DIRECT NEPAL): a single-arm trial.

Lancet Reg Health Southeast Asia

October 2024

Department of Human Nutrition, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, UK.

Background: Remission of early type 2 diabetes (T2D) is possible; however, diet programmes proven effective are unaffordable in many southeast Asian populations where T2D is more frequent and more aggressive at lower body weight and younger age. We evaluate an entirely food-based service.

Methods: This study employed a single-arm intervention and follow-up design for intervention evaluation in existing hospital people with T2D of under 5 years known duration.

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Article Synopsis
  • The study investigated the effects of spironolactone on blood pressure (BP) during exercise in heart failure (HF) patients, finding that it significantly reduced both pre- and post-exercise BP levels over 9 months.
  • While spironolactone showed a small improvement in the number of completed shuttles during exercise tests, there was no significant difference in overall exercise capacity or quality of life (QoL) between the spironolactone group and the control group.
  • The results suggest that while spironolactone can lower BP in patients at increased risk of HF, it does not enhance their ability to exercise or improve their overall well-being.
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Background: We aimed to characterise the variation in access to and outcomes of cardiac surgery for people in England.

Methods: We included people >18 years of age with hospital admission for ischaemic heart disease (IHD) and heart valve disease (HVD) between 2010 and 2019. Within these populations, we identified people who had coronary artery bypass graft (CABG) and/or valve surgery, respectively.

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Zibotentan in Microvascular Angina: A Randomized, Placebo-Controlled, Crossover Trial.

Circulation

November 2024

British Heart Foundation Glasgow Cardiovascular Research Centre, School of Cardiovascular and Metabolic Health, University of Glasgow, United Kingdom (A.M., N.S., P.W.M., P.W., C.B.).

Background: Microvascular angina is associated with dysregulation of the endothelin system and impairments in myocardial blood flow, exercise capacity, and health-related quality of life. The G allele of the noncoding single nucleotide polymorphism enhances expression of the endothelin-1 gene () in human vascular cells, potentially increasing circulating concentrations of Endothelin-1 (ET-1). Whether zibotentan, an oral receptor selective antagonist, is efficacious and safe for the treatment of microvascular angina is unknown.

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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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Article Synopsis
  • Patients without standard modifiable cardiovascular risk factors (SMuRFs) experience lower in-hospital mortality after a first heart attack compared to those with risk factors, but their long-term outcomes are less understood, especially in women.
  • This study analyzed a large cohort of patients with stable coronary artery disease, comparing outcomes based on the presence or absence of SMuRFs over a 5-year period.
  • Results showed that SMuRF-less patients had a significantly lower rate of cardiovascular death and non-fatal heart attacks, indicating that having fewer risk factors correlates with better long-term heart health outcomes.
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Aim: Depression and anxiety occur frequently in individuals with cardiovascular disease and are associated with poor prognosis. This Cochrane systematic review and meta-analysis assessed the effectiveness of psychological interventions on psychological and clinical outcomes in adults with coronary heart disease (CHD), heart failure (HF) or atrial fibrillation (AF).

Methods And Result: CENTRAL, MEDLINE, Embase, PsycINFO and CINAHL databases were searched from January 2009 to July 2022 for randomised controlled trials of psychological interventions versus controls in adults with CHD, HF or AF.

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Background: The persistence of symptoms for ≥12 weeks after a COVID-19 infection is known as Long COVID (LC), a condition with unclear pathophysiology and no proven treatments to date. Living with obesity is a risk factor for LC and has symptoms which may overlap with and aggravate LC.

Methods: ReDIRECT is a remotely delivered trial assessing whether weight management can reduce LC symptoms.

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Background: About half of patients with severe aortic stenosis present with concomitant coronary artery disease. The optimal timing of percutaneous coronary intervention (PCI) and transcatheter aortic valve implantation (TAVI) in patients with severe aortic stenosis and concomitant coronary artery disease remains unknown.

Study Design: The TAVI PCI trial is a prospective, international, multicenter, randomized, 2-arm, open-label study planning to enroll a total of 986 patients.

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Alterations in left atrial and left ventricular coupling in mixed aortic valve disease.

Eur Heart J Cardiovasc Imaging

November 2024

Division of Cardiology, Toronto General Hospital, University Health Network, University of Toronto, 200 Elizabeth Street, Toronto M5G 2C4, Canada.

Aims: To characterize left atrial (LA) and left ventricular (LV) function and atrioventricular (AV) coupling in patients with moderate mixed aortic valve disease (MMAVD) against those with isolated moderate or severe aortic valve disease and controls.

Methods And Results: Retrospective LA and LV peak longitudinal strain (LS) analysis were performed on 260 patients [46 MMAVD, 81 moderate aortic stenosis (AS), 50 severe AS, 48 moderate aortic regurgitation (AR), and 35 severe AR] and 66 controls. Peak LV and LA LS and AV coupling, assessed by combined peak LA and LV strain, was compared between the groups.

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Long term mortality in burn injury survivors: A matched cohort study.

Injury

October 2024

Intensive Care Unit, Glasgow Royal Infirmary, 84 Castle Street, Glasgow, Scotland, UK; Department of Anaesthesia, Critical Care and Perioperative Medicine, University of Glasgow, New Lister Building, Glasgow Royal Infirmary, Glasgow, Scotland, UK.

Background: Survivors of burn injuries may be at risk of early death. This study describes the mortality of burn survivors in comparison with two matched cohorts.

Methods: This retrospective cohort study compared adults admitted with a burn injury from 2009 to 2019 with two matched cohorts; one from the general population and one with a diagnosis of acute pancreatitis.

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Background: UMOD (uromodulin) has been linked to hypertension through potential activation of Na-K-2Cl cotransporter (NKCC2), a target of loop diuretics. We posited that hypertensive patients carrying the rs13333226-AA genotype would demonstrate greater blood pressure responses to loop diuretics, potentially mediated by this UMOD/NKCC2 interaction.

Methods: This prospective, multicenter, genotype-blinded trial evaluated torasemide (torsemide) efficacy on systolic blood pressure (SBP) reduction over 16 weeks in nondiabetic, hypertensive participants uncontrolled on ≥1 nondiuretic antihypertensive for >3 months.

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Sample size in multistakeholder Delphi surveys: at what minimum sample size do replicability of results stabilize?

J Clin Epidemiol

October 2024

MRC/CSO Social and Public Health Sciences Unit & Robertson Centre for Biostatistics, School of Health and Wellbeing, University of Glasgow, Glasgow, UK.

Article Synopsis
  • This study focused on the appropriate sample size needed for multistakeholder Delphi surveys, particularly looking at how sample size impacts the replicability of results and examining variations based on participant characteristics such as gender, age, and profession.
  • Data from three significant Delphi surveys were analyzed to develop better guidelines for reporting healthcare intervention trials, revealing that an average sample size of 60 yielded a replicability rate of 81%.
  • Results indicated that increasing the sample size from 80 to 160 participants improved replicability by 3% while lowering variability, with different subgroup analyses highlighting that a sample size of 20 to 30 provided moderate replicability.
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Article Synopsis
  • - This study seeks to better classify individuals with multiple long-term health conditions (MLTCs) by identifying specific clusters of these conditions across various age groups and their links to negative health outcomes and healthcare utilization.
  • - Researchers employed latent class analysis on data from large cohorts, including over 1.8 million individuals, to determine how different MLTC clusters impact mortality, hospital hospitalizations, and general practitioner usage over ten years.
  • - Findings indicated that certain MLTC clusters, particularly those involving cardiometabolic and pain/mental health issues, showed strong associations with higher risks of mortality and healthcare use, particularly in younger and middle-aged individuals, while data from the UKHLS group did not reveal significant risks.
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Article Synopsis
  • * A total of 42 systematic reviews and 3 additional randomized controlled trials were analyzed, involving nearly 937,000 individuals across 39 LTCs, revealing that exercise improved health-related quality of life (HRQoL) and exercise capacity, though data on mortality and hospitalizations were limited.
  • * The review found methodological quality varied among studies, with a significant number rated as critically low, highlighting the need for more research on multimorbidity and its effects on exercise interventions.
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Transparent and complete reporting of surrogate endpoints in trials: the SPIRIT-Surrogate and CONSORT-Surrogate extensions.

Lancet

July 2024

MRC/CSO Social and Public Health Sciences Unit, School of Health and Well Being, University of Glasgow, Glasgow G12 8TB, UK; Robertson Centre for Biostatistics, School of Health and Well Being, University of Glasgow, Glasgow, UK. Electronic address:

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Article Synopsis
  • Randomised controlled trials often use surrogate endpoints instead of direct outcomes to enhance efficiency and reduce costs, but this can lead to increased uncertainty regarding treatment effects and intervention harms.
  • A new guideline, known as CONSORT-Surrogate, provides a checklist for reporting trials that utilize surrogate endpoints, ensuring better clarity and transparency in the results.
  • The recommended checklist, tailored for all stakeholders involved in clinical trials, aims to improve the reporting quality of these studies and ultimately reduce wasted research efforts.
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Article Synopsis
  • Randomised controlled trials often use surrogate endpoints instead of direct outcomes to save time, cost, and ethical concerns, but this can create uncertainty about the actual treatment effects and potential harms.
  • The SPIRIT-Surrogate is a new guideline to enhance the reporting standards for trial protocols that use surrogate endpoints, building on the existing SPIRIT checklist.
  • This guideline includes nine modified items, encouraging all stakeholders to adopt it, which aims to improve trial design, transparency, and ultimately reduce wasted research efforts.
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Background: Stronger social and emotional well-being during primary school is positively associated with the health and educational outcomes of young people. However, there is little evidence on which programmes are the most effective for improving social and emotional well-being.

Objective: The objective was to rigorously evaluate the Social and Emotional Education and Development (SEED) intervention process for improving pupils' social and emotional well-being.

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Adaptation of complex interventions for people with long-term conditions: a scoping review.

Transl Behav Med

September 2024

MRC/CSO Social and Public Health Sciences Unit, Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK.

Adaptation seeks to transfer and implement healthcare interventions developed and evaluated in one context to another. The aim of this scoping review was to understand current approaches to the adaptation of complex interventions for people with long-term conditions (LTCs) and to identify issues for studies performed in low- and middle-income countries (LMICs). Bibliographic databases were searched from 2000 to October 2022.

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Objective: Short-term outcomes of deep brain stimulation of the anterior nucleus of the thalamus (ANT-DBS) were reported for people with drug-resistant focal epilepsy (PwE). Because long-term data are still scarce, the Medtronic Registry for Epilepsy (MORE) evaluated clinical routine application of ANT-DBS.

Methods: In this multicenter registry, PwE with ANT-DBS were followed up for safety, efficacy, and battery longevity.

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