Publications by authors named "Maria A Pabon"

Background: Electrocardiograms (EKGs) are routinely performed in pregnant patients with pre-existing cardiovascular disease. However, in pregnant patients with congenital heart disease (CHD), EKG changes during gestation have not been explored.

Methods: We performed a retrospective study of pregnant patients with CHD enrolled in the STORCC initiative.

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Background: Preeclampsia is a hypertensive disorder of pregnancy characterized by systemic endothelial dysfunction. The pathophysiology of preeclampsia remains incompletely understood. This study used human venous endothelial cell (EC) transcriptional profiling to investigate potential novel mechanisms underlying EC dysfunction in preeclampsia.

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Aims: The temporal changes in clinical profiles and outcomes of high-risk myocardial infarction survivors enrolled in clinical trials are poorly described. This study compares mortality rates, baseline characteristics, and the prognostic impact of therapies among participants of the VALIANT and PARADISE-MI trials.

Methods And Results: Exclusively VALIANT participants who matched the inclusion criteria of the PARADISE-MI trial were included in the analysis.

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Aims: To evaluate clinical outcomes, echocardiographic features, and the efficacy and safety of sacubitril/valsartan compared to valsartan across age groups in the PARAGON-HF trial.

Methods And Results: A total of 4796 participants ≥50 years of age with chronic heart failure (HF) and left ventricular ejection fraction (LVEF) ≥45% were divided into three age groups: <65 years (n = 825), 65-74 years (n = 1772), and ≥75 years (n = 2199). Echocardiograms of 1097 patients were analysed in a standardized fashion at a core imaging laboratory.

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Article Synopsis
  • - The study investigated how race influences the effects of the heart failure treatment sacubitril/valsartan, comparing its safety and efficacy among White, Asian, and Black patients based on data from two large clinical trials (PARADIGM-HF and PARAGON-HF).
  • - Results showed that Black and Asian patients had a higher risk of heart failure hospitalization or cardiovascular death compared to White patients, even though the treatment was effective for all racial groups, with no significant difference in efficacy observed across races.
  • - Severe angioedema (swelling) was more common in Black patients receiving sacubitril/valsartan compared to those on alternative treatments, highlighting potential racial disparities in treatment response and safety.
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  • The study investigates differences between men and women in heart function after a heart attack (MI) to understand why women have higher rates of hospitalization for heart failure.
  • It analyzes echocardiographic data from 544 patients in the PARADISE-MI trial to assess heart function pre and post-MI, focusing on parameters like left ventricular ejection fraction (LVEF) and chamber sizes.
  • Although women showed better heart function indicators at the start, the study found that the changes over 8 months and the relationship between heart function metrics and clinical outcomes were similar for both sexes.
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  • Patients with heart failure and improved ejection fraction (HFimpEF) face significant health risks during hospitalizations, showing higher rates of complicated hospital admissions compared to patients with consistently higher ejection fractions (LVEF >40%).
  • In a study involving 6263 patients, those with HFimpEF accounted for 18% and experienced more severe hospital events despite similar lengths of stay and in-hospital mortality rates as patients with stable LVEF.
  • The outcomes indicated that 66% of HFimpEF patients experienced a decrease in their LVEF to ≤40%, pointing to potential ongoing heart function decline despite previous improvements.
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  • Preeclampsia is a pregnancy-related condition characterized by high blood pressure and a disruption in the balance of certain proteins, potentially leading to cardiovascular risks due to microvascular dysfunction.
  • Researchers compared cardiac function in women with severe preeclampsia to those with normal pregnancies and nonpostpartum controls using advanced imaging techniques to assess myocardial flow and resistance.
  • Results indicated that women who had preeclampsia showed significantly decreased blood flow and increased vascular resistance, highlighting reduced coronary microvascular function soon after delivery, which could have long-term health implications.
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  • Hypotension, a common side effect of sacubitril/valsartan, was analyzed in heart failure patients with mildly reduced or preserved ejection fraction in the PARAGON-HF trial.
  • The study found that 13% of participants and a higher proportion in the sacubitril/valsartan group experienced hypotension, which led to increased risks of cardiovascular events and hospitalizations.
  • Results indicated that patients with a left ventricular ejection fraction (LVEF) ≥60% were particularly at higher risk of hypotension when treated with sacubitril/valsartan compared to valsartan.
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  • Preeclampsia is a pregnancy-related condition characterized by high blood pressure and microvascular dysfunction, potentially increasing cardiovascular risks post-pregnancy.
  • A study compared women with severe preeclampsia to those with normal pregnancies and non-postpartum controls using cardiac imaging to assess heart function and blood flow.
  • Results showed that women who experienced preeclampsia had significantly reduced heart function and increased vascular resistance, indicating potential long-term cardiovascular issues, warranting further investigation for preventive measures.
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  • Hypertensive disorders of pregnancy (HDP) are linked to long-term cardiovascular risks for women, though the reasons are not fully understood.
  • A study involving 5,168 Hispanic/Latina women revealed that 14% had a history of de novo HDP, which was associated with lower left ventricle ejection fraction and higher risks of abnormal cardiac geometry.
  • Findings indicate that previous HDP can lead to measurable cardiac issues in women, with current hypertension only partially explaining these effects.
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This review summarizes the evaluation for underlying rheumatic conditions in patients presenting with acute pericarditis, treatment considerations for specific rheumatic conditions, and the role of imaging in diagnosis and monitoring. Pericarditis may be one of the initial presentations of a rheumatic disease or identified in a patient with known rheumatic disease. There is also growing evidence for using anti-inflammatory and immunosuppressive agents for treating recurrent pericarditis, which can overlap with the treatment of rheumatic diseases.

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Purpose Of Review: Cardiovascular disease (CVD) is the leading cause of death in women. Women with history of adverse pregnancy outcomes (APOs) have approximately two-fold risk of future CVD, but until recently the association with future heart failure (HF) was unclear. Here, we summarize evidence for associations of APOs with HF, potential underlying mechanisms, and future directions for clinical translation.

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Background: Scalable and safe approaches for heart failure guideline-directed medical therapy (GDMT) optimization are needed.

Objectives: The authors assessed the safety and effectiveness of a virtual care team guided strategy on GDMT optimization in hospitalized patients with heart failure with reduced ejection fraction (HFrEF).

Methods: In a multicenter implementation trial, we allocated 252 hospital encounters in patients with left ventricular ejection fraction ≤40% to a virtual care team guided strategy (107 encounters among 83 patients) or usual care (145 encounters among 115 patients) across 3 centers in an integrated health system.

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Aim: Natriuretic peptides (NPs) are now routinely incorporated as key inclusion criteria in clinical trials of heart failure with preserved ejection fraction (HFpEF) as objective measures of risk. An early amendment in PARAGON-HF required all participants to have elevated NP concentrations, but some were enrolled pre-amendment, providing a unique opportunity to understand the influence of enrolment pathway in HFpEF clinical trials.

Methods And Results: Among 4796 participants in PARAGON-HF, 193 (4.

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Type 2 diabetes is characterized by insulin resistance and a gradual loss of pancreatic beta cell mass and function. Currently, there are no therapies proven to prevent beta cell loss and some, namely insulin secretagogues, have been linked to accelerated beta cell failure, thereby limiting their use in type 2 diabetes. The adipokine adipsin/complement factor D controls the alternative complement pathway and generation of complement component C3a, which acts to augment beta cell insulin secretion.

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Obesity and atrial fibrillation have risen to epidemic levels worldwide and may continue to grow over the next decades. Emerging evidence suggests that obesity promotes atrial and ventricular arrhythmias. This has led to trials employing various strategies with the ultimate goal of decreasing the atrial arrhythmic burden in obese patients.

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Chronic obstructive pulmonary disease (COPD), associated with cigarette smoke-induced (CS-induced) emphysema, contributes significantly to the global health care burden of disease. Although chronic kidney disease (CKD) may occur in patients with COPD, the relationship between COPD and CKD remains unclear. Using a murine model of experimental COPD, we show that chronic CS exposure resulted in marked kidney injury and fibrosis, as evidenced by histological and ultrastructural changes, altered macrophage subpopulations, and expression of tissue injury, fibrosis, and oxidative stress markers.

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Background: Necroptosis is a form of programmed necrotic cell death that is rapidly emerging as an important pathophysiological pathway in numerous disease states. Necroptosis is dependent on receptor-interacting protein kinase 3 (RIPK3), a protein shown to play an important role in experimental models of critical illness. However, there is limited clinical evidence regarding the role of extracellular RIPK3 in human critical illness.

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