Publications by authors named "Peter Pang"

Background: Elevated alanine aminotransferase (ALT), aspartate aminotransferase (AST), and total bilirubin (tBil) may reflect congestion and liver dysfunction in acute heart failure (AHF), while lower ALT also associates with sarcopenia.

Objectives: The purpose of this study was to assess ALT, AST, and tBil levels in AHF patients during high-intensity care (HIC) vs usual care (UC) follow-up.

Methods: ALT, AST, and tBil were measured 1 to 2 days predischarge in 1,062 AHF patients, and again after 90 days of either HIC or UC according to the STRONG-HF (Safety, Tolerability and efficacy of Rapid Optimization, helped by NT-proBNP testinG, of Heart Failure therapies) protocol.

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Aims: Acute heart failure (AHF) impacts millions globally, with outcomes varying based on socio-economic status (SES).

Methods: SES measured by annual household income, years of education and medical insurance coverage. Each patient's income and education level relative to the median or mean, respectively, in the country was calculated, and categorized into tertiles (0, 1 or 2 from lowest to highest).

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Study Objective: Patient experience is an essential measure of patient-centered emergency care. However, emergency department (ED) patient experience scores may be influenced by patient demographics as well as clinical and operational characteristics unrelated to actual patient-centeredness of care. This study aimed to determine whether there are characteristics associated with patient experience scores that have not yet been proposed for risk adjustment by the Centers for Medicare and Medicaid Services (CMS).

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Objective: Existing literature shows associations between patient demographics and reported experiences of care, but this relationship is poorly understood. Our objective was to use natural language processing of patient comments to gain insight into associations between patient demographics and experiences of care.

Methods: This is a cross-sectional study of 14,848 unique emergency department (ED) patient visits from 1/1/2020 to 12/31/2020.

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Aims: Serelaxin is recombinant human relaxin-2, a hormone responsible for haemodynamic adaptations and organ protection in pregnancy. In the RELAX-AHF trial, serelaxin demonstrated reductions in cardiac, renal and hepatic damage. In RELAX-AHF-2, organ damage-related biomarkers were assessed in a biomarker substudy.

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Objective: Food insecurity is a prevalent social risk among emergency department (ED) patients. Patients who may benefit from food insecurity resources may be identified via ED-based screening; however, many patients experience difficulty accessing resources after discharge. Co-locating resources in or near the ED may improve utilization by patients, but this approach remains largely unstudied.

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Background: The prognostic importance of residual congestion after acute heart failure (AHF) hospitalization is still debated.

Objectives: The authors aimed to assess the impact of residual congestion in a large cohort of patients with AHF enrolled in the RELAX-AHF-2 (Efficacy, Safety and Tolerability of Serelaxin When Added to Standard Therapy in AHF) trial.

Methods: Residual congestion was assessed at day 5 after admission among hospitalized patients using an established composite congestion score (CCS) based on the presence of orthopnea, peripheral edema, and increased jugular venous pressure, ranging from 0 to 8 points.

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Background: We evaluated the Vitros® Immunodiagnostic Products N-terminal pro B-type natriuretic peptide (NT-proBNP) II assay for aiding in diagnosis of heart failure (HF) in patients with acute dyspnea.

Methods: Serum concentrations of NT-proBNP were measured in patient samples from 20 emergency departments across the United States. Study endpoints included sensitivity, specificity, likelihood ratios, and predictive values for diagnosis of acute HF according to age-stratified cutoffs (450, 900, and 1800 pg/mL), and a rule-out age-independent cutoff (300 pg/mL).

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With over 1 million primary heart failure (HF) hospitalizations annually, nearly 80% of patients who present to the emergency department with decompensated HF (DHF) are hospitalized. Short stay units (SSU) present an alternative to hospitalization, yet the effectiveness of the SSU strategy of care is not well known. This study is to determine the effectiveness of a SSU strategy compared with hospitalization in lower-risk patients with DHF.

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Article Synopsis
  • - Anemia is a common issue among heart failure patients, affecting their treatment outcomes, and this study aimed to examine how anemia prevalence changes and its relationship with clinical results in heart failure patients from the STRONG-HF study.
  • - In the study of 1077 patients, anemia rates rose from 27.2% at enrollment to 32.1% at 90 days, with a slightly higher primary composite outcome observed in anemic patients, but the difference wasn't statistically significant.
  • - Patients with baseline anemia showed less improvement in health-related quality of life, while the incidence of anemia was higher in those receiving high-intensity care compared to usual care; factors like male sex and non-European regions were linked to a higher
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Aims: Acute heart failure (AHF) is a major cause of hospitalizations and death in the elderly. However, elderly patients are often underrepresented in randomized clinical trials. We analysed the impact of age on clinical outcomes and response to treatment in patients enrolled in Relaxin in Acute Heart Failure (RELAX-AHF-2), a study that included older patients than in previous AHF trials.

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Background: Rapid uptitration of guideline-directed medical therapy (GDMT) before and after discharge in hospitalized heart failure (HF) patients is feasible, is safe, and improves outcomes; whether this is also true in patients with coexistent atrial fibrillation/flutter (AF/AFL) is not known.

Objectives: This study sought to investigate whether rapid GDMT uptitration before and after discharge for HF is feasible, safe and beneficial in patients with and without AF/AFL.

Methods: In this secondary analysis of the STRONG-HF (Safety, Tolerability, and Efficacy of Rapid Optimization, Helped by NT-proBNP Testing, of Heart Failure Therapies) trial, GDMT uptitration and patient outcomes were analyzed by AF/AFL status and type (permanent, persistent, paroxysmal).

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Article Synopsis
  • The STRONG-HF trial tested the effectiveness of rapidly increasing neurohormonal blockade in patients with acute heart failure (AHF) compared to usual care.
  • Patients receiving high-intensity care (HIC) showed significantly higher rates of successful decongestion at day 90 (75%) compared to usual care (68%), alongside improvements in various decongestion markers.
  • Successful decongestion was linked to a lower risk of hospital readmission or all-cause death, indicating that the HIC approach offers better long-term outcomes for AHF patients.
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  • The Accreditation Council for Graduate Medical Education emphasizes the importance of resident wellness and burnout prevention, particularly during challenging periods like grief and bereavement.
  • This pilot study in an emergency medicine residency introduced a new bereavement leave policy, developed by residents and program leaders, that balances wellness, education, and patient care.
  • Feedback shows that the policy positively impacted those who used it and led to an expansion to include serious illnesses in family members, providing a model for other residency programs to incorporate wellness strategies.
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Background And Objectives: Hospitals and clinicians increasingly are reimbursed based on quality of care through financial incentives tied to value-based purchasing. Patient-centered care, measured through patient experience surveys, is a key component of many quality incentive programs. We hypothesize that operational aspects such as wait times are an important element of emergency department (ED) patient experience.

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Article Synopsis
  • - Biologically active adrenomedullin (bio-ADM) has potential as a marker for residual congestion in heart failure (HF) patients, as shown in the STRONG-HF trial, which indicated that high-intensity care of guideline-directed medical therapy can improve patient outcomes.
  • - A study measuring bio-ADM levels in 1,005 heart failure patients found that higher baseline bio-ADM concentrations were linked to increased risks of mortality and rehospitalization, while bio-ADM changes correlated with congestion status after 90 days.
  • - Although bio-ADM showed modest predictive ability for patient outcomes, the study found that high-intensity care improved outcomes regardless of initial bio-ADM levels, and its change over 90
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Background: The STRONG-HF trial showed that high-intensity care (HIC) consisting of rapid up-titration of guideline-directed medical therapy (GDMT) and close follow-up reduced all-cause death or heart failure (HF) readmission at 180 days compared to usual care (UC). We hypothesized that significant differences in patient characteristics, management, and outcomes over the enrolment period may exist.

Methods: Two groups of the 1,078 patients enrolled in STRONG-HF were created according to the order of enrolment within center.

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Article Synopsis
  • The study investigates the safety, tolerability, and efficacy of high-intensity care (HIC) for heart failure using the MAGGIC risk score, which is a risk assessment tool for patients with chronic heart failure.
  • Patients in the STRONG-HF trial were divided into two groups, one receiving HIC with rapid medication uptitration and the other receiving usual care, with the main goal of comparing outcomes such as death and hospitalization rates at 180 days.
  • Results showed that while HIC led to higher medication use, the overall death or readmission rates varied according to the MAGGIC risk score, suggesting that the severity of heart failure risk impacts treatment outcomes.
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Background: This analysis provides details on baseline and changes in quality of life (QoL) and its components as measured by EQ-5D-5L questionnaire, as well as association with objective outcomes, applying high-intensity heart failure (HF) care in patients with acute HF.

Methods: In STRONG-HF trial (Safety, Tolerability, and Efficacy of Rapid Optimization, Helped by NT-proBNP Testing, of Heart Failure Therapies) patients with acute HF were randomized just before discharge to either usual care or a high-intensity care strategy of guideline-directed medical therapy up-titration. Patients ranked their state of health on the EQ-5D visual analog scale score ranging from 0 (the worst imaginable health) to 100 (the best imaginable health) at baseline and at 90 days follow-up.

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Article Synopsis
  • - The study investigates the effectiveness of a high-intensity care (HIC) strategy with rapid guideline-directed medical therapy (GDMT) compared to usual care (UC) for patients hospitalized due to acute heart failure (AHF) and examines the influence of baseline systolic blood pressure (SBP).
  • - Researchers analyzed the outcomes of 1,075 patients categorized by their baseline SBP and changes in SBP after discharge, finding that the benefits of HIC were not influenced by baseline SBP levels or early changes in SBP.
  • - Results showed that patients in the HIC group achieved similar target doses of GDMT regardless of whether they had increased, stable, or decreased SBP within the first week after discharge,
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Importance: More than 80% of patients who present to the emergency department (ED) with acute heart failure (AHF) are hospitalized. With more than 1 million annual hospitalizations for AHF in the US, safe and effective alternatives are needed. Care for AHF in short-stay units (SSUs) may be safe and more efficient than hospitalization, especially for lower-risk patients, but randomized clinical trial data are lacking.

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Importance: The Safety, Tolerability, and Efficacy of Rapid Optimization, Helped by N-Terminal Pro-Brain Natriuretic Peptide Testing of Heart Failure Therapies (STRONG-HF) trial strived for rapid uptitration aiming to reach 100% optimal doses of guideline-directed medical therapy (GDMT) within 2 weeks after discharge from an acute heart failure (AHF) admission.

Objective: To assess the association between degree of GDMT doses achieved in high-intensity care and outcomes.

Design, Setting, And Participants: This was a post hoc secondary analysis of the STRONG-HF randomized clinical trial, conducted from May 2018 to September 2022.

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  • The detection of gravitational-wave signal GW170817 and its associated phenomena (kilonova and gamma-ray burst) marked a significant advance in astrophysics, indicating the need for strong theoretical models to interpret these diverse signals.
  • The NMMA framework was developed to integrate nuclear-physics data and observational evidence, helping to analyze the behaviors of dense matter in neutron stars.
  • This paper presents an extension of the NMMA code to simultaneously analyze the signals from GW170817, the kilonova, and the gamma-ray burst, allowing for the estimation of a neutron star's radius.
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Aim: In this subgroup analysis of STRONG-HF, we explored the association between changes in renal function and efficacy of rapid up-titration of guideline-directed medical therapy (GDMT) according to a high-intensity care (HIC) strategy.

Methods And Results: In patients randomized to the HIC arm (n = 542), renal function was assessed at baseline and during follow-up visits. We studied the association with clinical characteristics and outcomes of a decrease in estimated glomerular filtration rate (eGFR) at week 1, defined as ≥15% decrease from baseline.

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