Publications by authors named "Xingdi Hu"

Background: Lipoprotein (a) is an independent risk factor for atherosclerotic cardiovascular disease. However, lipoprotein (a) testing remains variable and it is unclear what factors influence testing and if testing changes clinical management.

Methods And Results: A retrospective study using electronic medical record data from 5 health systems identified an atherosclerotic cardiovascular disease cohort divided into those with and without a lipoprotein (a) test between 2019 and 2021.

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Background: Although guidelines recommend low-density lipoprotein cholesterol (LDL-C) to be < 70 mg/dL in patients with atherosclerotic cardiovascular disease (ASCVD), the rate of achieving this goal remains suboptimal. We sought to understand real world contemporary practice patterns of LDL-C management in patients with ASCVD, and whether LDL-C testing influenced management across US health systems.

Methods: A retrospective cohort study utilizing electronic medical record data from five health systems participating in the CardioHealth Alliance was performed on patients with an LDL-C measurement in 2021 and prior ASCVD.

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The roles of lipoprotein(a) [Lp(a)] and related oxidized phospholipids (OxPLs) in the development and progression of coronary disease is known, but their influence on extracoronary vascular disease is not well-established. We sought to evaluate associations between Lp(a), OxPL apolipoprotein B (OxPL-apoB), and apolipoprotein(a) (OxPL-apo(a)) with angiographic extracoronary vascular disease and incident major adverse limb events (MALEs). Four hundred forty-six participants who underwent coronary and/or peripheral angiography were followed up for a median of 3.

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Background: Higher lipoprotein(a) and oxidized phospholipid concentrations are associated with increased risk for coronary artery disease and valvular heart disease. The role of lipoprotein(a) or oxidized phospholipid as a risk factor for incident heart failure (HF) or its complications remains uncertain.

Methods And Results: A total of 1251 individuals referred for coronary angiography in the Catheter Sampled Blood Archive in Cardiovascular Diseases (CASABLANCA) study were stratified on the basis of universal definition of HF stage; those in stage A/B (N=714) were followed up for an average 3.

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Article Synopsis
  • - The study investigates the impact of lipoprotein(a) (Lp[a]) on the risk of atherosclerotic cardiovascular disease (ASCVD) using data from 27,756 participants across five major U.S. studies, with a follow-up period averaging 21.1 years.
  • - Results indicate that higher Lp(a) levels correlate with increased risk of ASCVD events, especially among individuals with diabetes, with adjusted hazard ratios showing significant risk elevation at higher Lp(a) percentiles.
  • - The findings highlight that elevated Lp(a) independently predicts various cardiovascular events, including heart attacks and strokes, reinforcing its role as a genetic risk factor for ASCVD in diverse populations.
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Article Synopsis
  • Elevated lipoprotein(a) [Lp(a)] is a significant genetic risk factor for atherosclerotic cardiovascular disease (ASCVD), increasing the risk by 2-4 times, which is particularly concerning in patients undergoing secondary prevention.
  • A systematic literature review was conducted to analyze studies from 2010 to 2022 that assessed the clinical impact of elevated Lp(a) levels, resulting in 61 studies, with 26 specifically addressing the burden of elevated levels on health outcomes.
  • Key findings indicated that elevated Lp(a) levels are linked to a higher risk of major cardiovascular events, myocardial infarction, and cognitive impairments, showcasing a negative effect on patients' health-related quality of life, although meta-analysis was hindered by
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Background: Lipoprotein(a) (Lp[a]) and oxidized phospholipids (OxPLs) are each independent risk factors for atherosclerotic cardiovascular disease. The extent to which Lp(a) and OxPLs predict coronary artery disease (CAD) severity and outcomes in a contemporary, statin-treated cohort is not well established.

Objectives: This study sought to evaluate the relationships between Lp(a) particle concentration and OxPLs associated with apolipoprotein B (OxPL-apoB) or apolipoprotein(a) (OxPL-apo[a]) with angiographic CAD and cardiovascular outcomes.

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Objective: Elevated lipoprotein(a) [Lp(a)] is a risk factor for atherosclerotic cardiovascular disease (ASCVD) and has no approved pharmacotherapies. Limited real-world data exists on the proportion of patients with available Lp(a) test results, characteristics of these patients, and their use of lipid lowering therapies (LLTs) for secondary prevention (SP) and primary prevention (PP) of ASCVD.

Methods: Patients with measured Lp(a) receiving LLTs for SP or PP of ASCVD were identified in the Optum Clinformatics® Data Mart database.

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Article Synopsis
  • The study aimed to estimate the prevalence of pericarditis, an inflammation of the heart's lining, in the U.S. from 2007 to 2016 to assess its impact on healthcare.
  • Using data from three national surveys, researchers calculated an annualized prevalence rate, finding an estimated 160,000 cases in 2020 based on extrapolated population data.
  • The findings suggest that pericarditis is a rare condition in the U.S., with significantly fewer than 200,000 affected individuals, despite some limitations in the research methods.
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  • Tezacaftor-ivacaftor is a cystic fibrosis treatment shown to be effective and safe for 8-24 weeks in patients with specific CFTR mutations, but its long-term effects were previously untested.
  • The study 661-110 (EXTEND) evaluated the safety, tolerability, and efficacy of this treatment over 96 weeks in participants aged 12 and older who completed earlier studies.
  • Conducted across 170 sites in multiple countries, the primary focus was on safety, while secondary outcomes included lung function, nutrition, respiratory symptoms, and potential changes in pharmacokinetics.
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Background: L-asparaginase is a key component of treatment for patients with acute lymphoblastic leukaemia (ALL) in the UK. Commonly used forms of asparaginase are native E. coli-derived asparaginase (native asparaginase) and pegaspargase in first-line combination therapy, and native Erwinia chrysanthemi-derived asparaginase (Erwinia asparaginase) as second-line treatment.

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Background: Women living with HIV/AIDS who drink alcohol are at increased risk for adverse health outcomes, but there is little evidence on best methods for reducing alcohol consumption in this population. We conducted a pilot study to determine the acceptability and feasibility of conducting a larger randomized clinical trial of naltrexone vs. placebo to reduce alcohol consumption in women living with HIV/AIDS.

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Hazardous alcohol consumption has been frequently reported among women with HIV infection and is associated with a variety of negative health consequences. Treatments to reduce alcohol use may bring in health benefits. However, little is known regarding the utilization of alcohol treatment services among HIV+ women with hazardous drinking.

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Objective: The aim of this study is to determine the association between racial/ethnic status and uptake and completion of the HPV vaccine series in college women.

Methods: Participants were recruited from a large university in North Central Florida. Young women between 18 and 26 years of age who were currently enrolled in a college course comprised the study sample.

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Background: The probabilistic discrete event systems (PDES) method provides a promising approach to study dynamics of underage drinking using cross-sectional data. However, the utility of this approach is often limited because the constructed PDES model is often non-identifiable. The purpose of the current study is to attempt a new method to solve the model.

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Background: Alcohol misuse remains a major risk factor for contracting sexually transmitted diseases (STDs) not typically addressed in STD clinic settings. Information and communication technology (ICT) can offer new avenues to deliver evidence-based screening and treatment for problematic drinking, however, few data exists regarding the utilization of ICT among STD clinic attendees with coexisting drinking problems. The objectives of this study are to identify STD clinics attendees with hazardous drinking, to examine socio-demographic factors associated with ICT use, and to explore individuals' interests in engaging in ICT-based health interventions.

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Background: K2 or "spice" has emerged as a popular legal alternative to marijuana among adolescents and young adults. However, no data has been published assessing prevalence of and associations with ever K2 use in any population. This study's aims were to examine prevalence of ever K2 use among a sample of college students, to determine characteristics of persons who use K2, and to access the association between K2 and other drug use.

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