Publications by authors named "Butler J"

Objective: Obtain clinicians' perspectives on early warning scores (EWS) use within context of clinical cases.

Material And Methods: We developed cases mimicking sepsis situations. De-identified data, synthesized physician notes, and EWS representing deterioration risk were displayed in a simulated EHR for analysis.

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Aims: The safety and effectiveness of the MitraClip device to treat functional mitral regurgitation (FMR) has been tested in previous clinical trials yielding somewhat heterogeneous results in heart failure (HF) patients. Over time, the MitraClip device system has been modified and clinical practice evolved to consider also less severely diseased HF patients with FMR for this therapeutic option. The RESHAPE-HF2 trial aims to assess the safety and effectiveness of the MitraClip device system on top of medical therapy considered optimal in the treatment of clinically significant FMR in symptomatic patients with chronic HF.

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Purpose: To assess the utility of frailty in predicting outcomes following surgical intervention for KDs.

Methods: The NIS database was queried for non-congenital knee dislocations from 2015 to 2019 that underwent ligament repair or surgical reduction. Patients were assigned frailty scores using the mFI-11, and outcomes were compared.

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  • Empagliflozin, a sodium-glucose co-transporter-2 inhibitor, shows greater kidney and cardiovascular benefits compared to dipeptidyl peptidase-4 inhibitors (DPP4is) in patients with type 2 diabetes and chronic kidney disease (CKD), based on real-world health data.
  • In a study involving over 62,000 patients, those starting empagliflozin had a 25% lower risk of major kidney outcomes and reduced risks for mortality and cardiovascular events compared to those taking DPP4is.
  • While empagliflozin was more effective, it did have a higher incidence of genital infections, but this did not significantly affect the overall safety profile.
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  • The study focused on patients with Heart Failure with reduced Ejection Fraction (HFrEF) and worsening heart failure events (WHFE), aiming to evaluate treatment patterns and medication decision-making.
  • It analyzed data from outpatient records of over 1,400 patients collected between 2017 and 2019, revealing demographic similarities but notable differences in medication adherence and dosage levels between those with and without WHFE.
  • The study concluded that there are significant gaps in the adoption of guideline-directed medical therapy (GDMT) and combination treatments among HFrEF patients, particularly those who recently experienced WHFE.
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Aims: To assess the use and associations with outcomes of glucagon-like peptide-1 receptor agonists (GLP-1 RA) in a real-world population with heart failure (HF) and type 2 diabetes mellitus (T2DM).

Methods And Results: The Swedish HF Registry was linked with the National Diabetes Registry and other national registries. Independent predictors of GLP-1 RA use were assessed by multivariable logistic regressions and associations with outcomes were assessed by Cox regressions in a 1:1 propensity score-matched cohort.

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Aim: Heart failure (HF) is a major cause of morbidity and mortality in older adults. Randomized controlled trials (RCTs) inform HF policy and practice, but the accurate interpretation of results is contingent on clear and transparent reporting. The CONsolidated Standards Of Reporting Trials (CONSORT) statement serves as a guide to RCT reporting.

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Background: The prognosis of individuals with and without an established heart failure (HF) diagnosis and similarly elevated N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels is not well-known.

Methods And Results: CANVAS (Canagliflozin Cardiovascular Assessment Study) trial participants were stratified according to baseline NT-proBNP quartiles and history of HF at baseline. Adjusted event rates per 1000 patient-years of follow-up for hospitalizations for HF, cardiovascular mortality, and kidney events were assessed, and hazard ratios (HR) were calculated using Cox proportional hazard models.

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The relationship between overweight/obesity and cardiovascular events needs to be tackled. The SELECT trial earns praise in showing that using GLP-1 receptor agonists to reduce overweight/obesity itself, in patients without dysglycemia, has beneficial effects on cardiovascular risk factors and clinical outcomes..

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This Letter presents the first study of Higgs boson production in association with a vector boson (V=W or Z) in the fully hadronic qqbb final state using data recorded by the ATLAS detector at the LHC in proton-proton collisions at sqrt[s]=13  TeV and corresponding to an integrated luminosity of 137  fb^{-1}. The vector bosons and Higgs bosons are each reconstructed as large-radius jets and tagged using jet substructure techniques. Dedicated tagging algorithms exploiting b-tagging properties are used to identify jets consistent with Higgs bosons decaying into bb[over ¯].

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Background: Randomized controlled trials typically require study-specific visits, which can burden participants and sites. Remote follow-up, such as centralized call centers for participant-reported or site-reported, holds promise for reducing costs and enhancing the pragmatism of trials. In this secondary analysis of the CONNECT-HF (Care Optimization Through Patient and Hospital Engagement For HF) trial, we aimed to evaluate the completeness and validity of the remote follow-up process.

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Article Synopsis
  • The STEP-HFpEF and STEP-HFpEF DM trials investigated the effects of the GLP-1 receptor agonist semaglutide on individuals with obesity-related heart failure, showing improvements in symptoms, physical limitations, body weight, and exercise function.
  • A pooled analysis was conducted to assess the effects of semaglutide across various outcomes and determine consistency among different patient subgroups, utilizing data from randomized, double-blind, placebo-controlled trials.
  • Participants were assigned to receive either semaglutide or a placebo for 52 weeks, with primary endpoints focusing on changes in heart failure-related symptoms and body weight, and secondary endpoints assessing physical activity and inflammation markers.
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Background: Progression to symptomatic heart failure is a complication of type 2 diabetes; heart failure onset in this setting is commonly preceded by deterioration in exercise capacity.

Objectives: This study sought to determine whether AT-001, a highly selective aldose reductase inhibitor, can stabilize exercise capacity among individuals with diabetic cardiomyopathy (DbCM) and reduced peak oxygen uptake (Vo).

Methods: A total of 691 individuals with DbCM meeting inclusion and exclusion criteria were randomized to receive placebo or ascending doses of AT-001 twice daily.

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  • Empagliflozin, a medication tested in the EMPACT-MI trial, showed promise in reducing heart failure (HF) hospitalizations but did not impact overall mortality when administered within two weeks post-acute myocardial infarction (AMI).
  • In the study of over 6,500 patients, worsening left ventricular ejection fraction (LVEF) and congestion significantly increased the risk of death and HF hospitalizations.
  • The drug effectively lowered the risk for HF hospitalizations regardless of the patients' LVEF status or congestion, and its safety profile remained consistent across different patient groups.
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Background: Growth hormone (GH) resistance is characterized by high GH levels but low levels of insulin-like growth factor-I (IGF-I) and growth hormone binding protein (GHBP) and, for patients with chronic disease, is associated with the development of cachexia.

Objectives: We investigated whether GH resistance is associated with changes in left ventricular (LV) mass (cardiac wasting) in patients with cancer.

Methods: We measured plasma IGF-I, GH, and GHBP in 159 women and 148 men with cancer (83% stage III/IV).

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Aims: Insulin-like growth factor binding protein-7 (IGFBP7) is a biomarker of tissue senescence with a role in cardio-renal pathophysiology. The role of IGFBP7 as a prognostic biomarker across the full ejection fraction (EF) spectrum of heart failure (HF) remains less well understood. We examined associations between IGFBP7 and risk of cardio-renal outcomes regardless of EF and the effect of empagliflozin treatment on IGFBP7 concentrations among individuals with HF.

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  • Empagliflozin is known to improve cardiovascular outcomes in various patient groups, but its safety and effectiveness in those who have experienced an acute myocardial infarction were previously unclear.
  • In a study involving 6522 patients at risk for heart failure after a heart attack, participants were given either empagliflozin or a placebo, with their health monitored over about 18 months.
  • The results showed that empagliflozin did not significantly reduce the risk of hospitalization for heart failure or death compared to placebo, though it did show some potential benefits regarding hospitalizations specifically for heart failure.
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  • Obesity and type 2 diabetes are common in patients with heart failure with preserved ejection fraction, leading to significant symptoms, and there's a lack of approved treatments targeting this condition.
  • A study assigned 616 patients with heart failure, obesity, and type 2 diabetes to receive either once-weekly semaglutide or a placebo for one year, measuring improvements in symptoms and weight.
  • Results showed that those on semaglutide had significantly better improvements in symptom scores (KCCQ-CSS) and lost more body weight compared to the placebo group, along with other beneficial outcomes in physical activity and inflammation markers.
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Background: RBT-1 is a combination drug of stannic protoporfin (SnPP) and iron sucrose (FeS) that elicits a preconditioning response through activation of antioxidant, anti-inflammatory, and iron-scavenging pathways, as measured by heme oxygenase-1 (HO-1), interleukin-10 (IL-10), and ferritin, respectively. Our primary aim was to determine whether RBT-1 administered before surgery would safely and effectively elicit a preconditioning response in patients undergoing cardiac surgery.

Methods: This phase 2, double-blind, randomised, placebo-controlled, parallel-group, adaptive trial, conducted in 19 centres across the USA, Canada, and Australia, enrolled patients scheduled to undergo non-emergent coronary artery bypass graft (CABG) and/or heart valve surgery with cardiopulmonary bypass.

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Introduction: Ankylosing Spondylitis (AS) patients with acute spinal fractures represent a challenge for practicing spine surgeons due to difficult operative anatomy and susceptibility to complications.

Research Question: Does intraoperative CT-navigation improve outcomes in patients with ankylosing spondylitis undergoing surgery?

Methods: A retrospective review was carried out at our centre from 05/2016-06/2021 to identify AS patients presenting with a traumatic spinal fracture, managed surgically with posterior spinal fusion (PSF). Cohorts were categorised and compared for outcomes based on those who underwent PSF with intraoperative CT-navigation versus those surgically managed with traditional intraoperative fluoroscopy.

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