40 results match your criteria: "University of Texas Southwestern Medical Center Dallas TX USA.[Affiliation]"

Background: The use of mechanical circulatory support devices for high-risk percutaneous coronary intervention (PCI) has increased over the past decade despite limited data of benefit. We sought to examine the association between intravascular microaxial left ventricular assist device (LVAD) versus intra-aortic balloon pump use in patients without cardiogenic shock (CS) undergoing PCI.

Methods And Results: This retrospective study analyzed claims data from a large, insured population who underwent PCI without CS from April 1, 2016 to July 31, 2022.

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South Asians are at higher risk of dyslipidaemia-a modifiable risk factor for cardiovascular diseases (CVDs). We aimed to identify protein targets for dyslipidaemia and CVDs in this population. We used a two-sample Mendelian randomization (MR) approach, supplemented with MR-Egger, weighted median, colocalization, and generalized MR (GMR), to evaluate the effect of 2,800 plasma proteins on high/low/non-high-density lipoprotein cholesterol (HDL-C/LDL-C/nonHDL-C), total cholesterol, and triglycerides.

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Background: This study aims to characterize right ventricular dysfunction (RVD) in heart failure (HF) with preserved ejection fraction and understand the cumulative prognostic value of abnormal RV echocardiographic parameters in HF with preserved ejection fraction.

Methods And Results: Data from 809 patients in the PARAGON-HF (Prospective Comparison of Angiotensin Receptor-Neprilysin Inhibitor With Angiotensin-Receptor Blocker Global Outcomes in HF With Preserved Ejection Fraction) echocardiographic substudy (55% women, mean age 74±8 years) were analyzed. Correlates of RVD (defined as tricuspid annular plane systolic excursion <1.

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Background: Significant gap remains in the implementation of guideline-directed medical therapy (GDMT) in patients with heart failure after a hospitalization. We aimed to evaluate the use and titration of GDMT at discharge and over a 12-month period after hospital discharge and to identify factors associated with GDMT use and titration.

Methods And Results: The CONNECT-HF (Care Optimization Through Patient and Hospital Engagement Clinical Trial for Heart Failure) trial evaluated the effect of a hospital and postdischarge quality improvement intervention in participants with heart failure with reduced ejection fraction.

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Article Synopsis
  • The study focused on understanding the rates of implantable cardioverter-defibrillator (ICD) placement among survivors of out-of-hospital cardiac arrest, specifically in patients aged 65 and older with shockable rhythms.
  • Out of 3226 patients analyzed, only 30.9% received an ICD before discharge, and factors like older age, being female, and a history of diabetes were linked to lower chances of obtaining one, but race/ethnicity showed no significant differences in ICD placement.
  • The research highlighted substantial variability in ICD implantation rates among different hospitals, with some facilities providing them to nearly 50% of survivors, while others offered them to only 20%, indicating a need for more uniform practices in
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  • This study investigates the relationship between plasma proteins and stroke risk specifically in South Asian individuals, utilizing genetic data from the UK Biobank and stroke data from the GIGASTROKE consortium.
  • Using advanced statistical methods, researchers identified a potential causal link between the glycoprotein GP6 levels and the likelihood of cardioembolic stroke, showing an odds ratio indicating a significant increase in risk.
  • Findings suggest that GP6 may not have the same effect on stroke risk in European populations, highlighting the importance of genetic ancestry in biomedical research.
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Background: High-sensitivity troponin I (hs-cTnI) and T (hs-cTnT) provide complementary information regarding cardiovascular disease risk. The explanation for their distinct risk profiles is incompletely understood.

Methods And Results: hs-cTnI and hs-cTnT were measured in Dallas Heart Study participants.

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Background: Dietary supplement use is prevalent in the general US population, but little is known regarding the driving reasons for their use among those with atherosclerotic cardiovascular disease (ASCVD).

Methods And Results: Data from the National Health and Nutrition Examination Survey (NHANES) from 2017 to March 2020 were used to identify adults with ASCVD. Supplement use was assessed by interviewers using label review, and surveys captured self-reported reasons for use.

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Background: Phosphodiesterases degrade cyclic GMP (cGMP), the second messenger that mediates the cardioprotective effects of natriuretic peptides. High natriuretic peptide/cGMP ratio may reflect, in part, phosphodiesterase activity. Correlates of natriuretic peptide/cGMP in patients with heart failure with preserved ejection fraction are not well understood.

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Background: Among individuals with hypertension and low diastolic blood pressure (DBP), the optimal BP target remains controversial due to concerns that BP lowering may reduce coronary perfusion. We determined the impact of intensive BP control among individuals with elevated systolic BP who have low DBP and elevated hs-cTnT (high-sensitivity cardiac troponin T) levels.

Methods And Results: A total of 8828 participants in SPRINT (Systolic Blood Pressure Intervention Trial) were stratified by baseline DBP.

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Background Moderate intensity exercise training (MIT) is safe and effective for patients with hypertrophic cardiomyopathy, yet the efficacy of high intensity training (HIT) remains unknown. This study aimed to compare the efficacy of HIT compared with MIT in patients with hypertrophic cardiomyopathy. Methods and Results Patients with hypertrophic cardiomyopathy were randomized to either 5 months of MIT, or 1 month of MIT followed by 4 months of progressive HIT.

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Acute myocardial infarction is an important cause of death worldwide. While it often affects patients of older age, acute myocardial infarction is garnering more attention as a significant cause of morbidity and mortality among young patients (<45 years of age). More specifically, there is a focus on recognizing the unique etiologies for myocardial infarction in these younger patients as nonatherosclerotic etiologies occur more frequently in this population.

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Article Synopsis
  • Prevention strategies for standard modifiable cardiovascular risk factors (SMuRFs) are crucial for improving outcomes in cardiovascular disease, but acute myocardial infarction (AMI) can still occur in individuals without SMuRFs.
  • A study analyzed AMI hospitalizations from 2000 to 2014 and found that 3.6% of patients had no documented SMuRFs, often receiving fewer medical treatments and procedures.
  • Patients without SMuRFs had significantly higher mortality rates within 28 days and 1 year after hospitalization for AMI compared to those with SMuRFs, highlighting the need for better early risk identification and tailored treatment strategies for this group.
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Background In-stent restenosis (ISR) is commonly encountered even in the era of contemporary percutaneous coronary intervention (PCI). There is a paucity of data on the comparative outcomes of PCI for ISR lesions versus de novo lesions. Methods and Results An electronic search was conducted for MEDLINE, Cochrane, and Embase through August 2022 for studies comparing the clinical outcomes after PCI for ISR versus de novo lesions.

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  • Research indicates that metabolic dysfunction plays a role in heart changes due to aortic stenosis, but a significant study on human metabolism hasn't been done yet.
  • In a study involving 519 patients, researchers examined 12 heart function metrics before valve implantation and identified three patterns of heart remodeling, linking these to specific metabolic profiles.
  • A distinctive metabolite score for heart function was found to predict higher death rates post-surgery and was related to overall health issues, emphasizing the need to explore metabolic factors to improve patient outcomes after transcatheter aortic valve placement.
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Background Endovascular intervention of femoropopliteal chronic total occlusions (CTOs) is technically more complex. However, there is lack of comparative analysis between CTO and non-CTO femoropopliteal interventions. Methods and Results We report procedural details and outcomes of patients treated for femoropopliteal CTO and non-CTO lesions in the XLPAD (Excellence in Peripheral Artery Disease) registry (NCT01904851) between 2006 and 2019.

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Background Premature discontinuation of P2Y12 inhibitor therapy has been associated with adverse cardiac events, which might be preventable by improving medication persistence. Current risk models have limited ability to predict patients at risk of P2Y12 inhibitor nonpersistence. Methods and Results ARTEMIS (Affordability and Real-World Antiplatelet Treatment Effectiveness after Myocardial Infarction Study) was a randomized, controlled trial testing the impact of a copayment assistance intervention on P2Y12 inhibitor persistence and outcomes.

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Article Synopsis
  • Current clinical recommendations for young athletes with cardiovascular conditions are mainly based on expert consensus, lacking robust data on outcomes.
  • The ORCCA study aims to monitor the health and decision-making of competitive athletes aged 18-35 with cardiovascular issues over a 5-year period, focusing on sports participation and psychosocial well-being.
  • This research seeks to provide data that can help shape future guidelines on sports participation for athletes at risk of serious cardiovascular events.
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