Publications by authors named "Kartik Gupta"

Background: Characteristics and outcomes associated with cardiogenic shock (CS) with acute myocardial infarction (AMI) in older patients have not been well characterized.

Objectives: The purpose of this study was to investigate characteristics and outcomes of older patients admitted with CS with AMI.

Methods: We used the National Inpatient Sample database to evaluate clinical characteristics of hospitalizations, clinical outcomes, and health care utilization of hospitalizations of older patients ≥80 years with CS and AMI from 2003 to 2021.

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Introduction: Intramyocardial needle ablation is a novel technique for treating refractory ventricular tachycardia (VT) and premature ventricular complexes (PVC). However, studies defining the effectiveness and safety of this procedure are limited. This meta-analysis aims to evaluate the safety and effectiveness of needle ablation for VT and PVC refractory to standard ablation.

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Backgrounds/aims: Post-hepatectomy liver failure (PHLF) is a significant complication with an incidence rate between 8% and 12%. Machine learning (ML) can analyze large datasets to uncover patterns not apparent through traditional methods, enhancing PHLF prediction and potentially mitigate complications.

Methods: Using the National Surgical Quality Improvement Program (NSQIP) database, patients who underwent hepatectomy were randomized into training and testing sets.

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Objective: The objective of this study was to investigate the leading underlying causes of death across different locations in the USA from 2015 to 2022.

Methods: Data on the leading underlying causes of death in each location of death-including medical outpatient facility or emergency room, medical inpatient facility, medical facility/dead on arrival, decedent's home, hospice facility, and nursing home/long-term care-within the USA in individuals ≥18 years were extracted from the Centers for Disease Control and Prevention Wide-Ranging Online Data for Epidemiologic Research (CDC WONDER) database.

Results: There were 22,236,700 deaths in our studied locations during the study period.

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Background: Cardiac myxomas (CM), the most common primary cardiac tumors, can cause embolism in about 40 % of cases, making it crucial to identify risk factors for guiding clinical decisions.

Objectives: In this meta-analysis, we studied the risk factors associated with embolism among patients with cardiac myxomas.

Methods: A comprehensive search was conducted across PubMed, Embase, and Cochrane Library from their inception until May 2023.

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Background: There is limited information on pregnancy outcomes in women who have previously undergone implantation of cardiac implantable electronic devices (CIEDs).

Objective: The study sought to describe outcomes of pregnancy related hospitalizations in women with CIEDs.

Methods: The National Inpatient Sample database was analyzed to identify pregnancy-related hospitalizations between 2016 and 2021.

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Objectives: The aim of this study was to examine safety outcomes in patients referred for transesophageal echocardiograms (TEEs) for tricuspid valve disease.

Design: Retrospective observational study.

Setting: Single quaternary referral center specializing in structural heart disease.

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Reducing low-density lipoprotein cholesterol (LDL-C) levels has been shown to reduce the risk of developing atherosclerotic cardiovascular disease (ASCVD). Statins are the foundation of LDL-C lowering therapy with other non-statin agents used in circumstances where goal LDL-C levels are not reached or owing to intolerance to adverse effects of statins. In 2003, the discovery of the role of the proprotein convertase subtilisin/kexin type 9 (PCSK9) system in promoting elevated LDL-C levels led to new avenues of drug development to achieve target LDL-C.

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Article Synopsis
  • The study investigates how cancer cells influence the fitness of surrounding tumor microenvironment (TME) cells through a mechanism involving a long non-coding RNA called Tu-Stroma, which alters the expression of Flower isoforms, impacting their growth advantage.
  • The expression of Flower Win isoforms in cancer cells enhances their dominance over TME cells that express Flower Lose isoforms, leading to reduced fitness in the TME.
  • Targeting Flower proteins with a humanized monoclonal antibody in mice has shown promising results, significantly reducing cancer growth and metastasis while improving survival rates and protecting organs from potential lesions.
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Article Synopsis
  • Right ventricular dysfunction (RVD) affects 30-40% of patients experiencing acute myocardial infarction and cardiogenic shock, leading to concerns about their survival outcomes when treated with left ventricular mechanical support.
  • A study conducted across 80 sites analyzed 361 patients, finding that 28% had RVD, which correlated with lower survival rates to discharge (61.8% vs. 73.4%) and higher instances of severe shock and active CPR during treatment.
  • Despite initial lower survival for RVD patients, hemodynamic parameters measured within 24 hours showed no significant differences between those with and without RVD, indicating that early left ventricular support may not immediately affect RV function.
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Purpose Of Review: Health data sciences can help mitigate high burden of cardiovascular disease (CVD) management in South Asia by increasing availability and affordability of healthcare services. This review explores the current landscape, challenges, and strategies for leveraging digital health technologies to improve CVD outcomes in the region.

Recent Findings: Several South Asian countries are implementing national digital health strategies that aim to provide unique health account numbers for patients, creating longitudinal digital health records while others aim to digitize healthcare services and improve health outcomes.

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Background: Post-transcatheter aortic valve replacement (TAVR), paravalvular leak (PVL) is a quality metric associated with worse clinical outcomes. Transcatheter heart valve (THV) sizing is based primarily on the systolic annular size without regard to the left ventricular outflow tract (LVOT), which also lies within the THV landing zone. We hypothesized that LVOT size relative to the annulus is associated with post-TAVR PVL.

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Purpose Of Review: To summarize selected late-breaking science on cardiovascular (CV) disease prevention presented at the 2024 Scientific Session of the American College of Cardiology (ACC) conference.

Recent Findings: The LIBerate-HR trial showed the efficacy and safety of lerodalcibep, a subcutaneous injection that prevents binding of Pro-Protein Convertase Subtilisin/Kexin (PCSK) 9 to low-density lipoprotein (LDL)-receptors resulting in LDL-cholesterol (LDL-C) lowering in patients at very high risk or high risk of atherosclerotic CV disease (ASCVD). The AEGIS-II randomized patients with type 1 myocardial infarction (MI) with multivessel coronary artery disease and additional CV risk factors and found no benefit in major adverse CV events (MACE) with CSL112, an apolipoprotein A1 infusion shown to increase cholesterol efflux capacity.

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Colorectal carcinoma, a prevalent and deadly malignancy, necessitates precise histopathological assessment for effective diagnosis and prognosis. Artificial intelligence (AI) emerges as a transformative force in this realm, offering innovative solutions to enhance traditional histopathological methods. This narrative review explores AI's pioneering role in colorectal carcinoma histopathology, encompassing its evolution, techniques, and advancements.

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Background: Utilization of right ventricular mechanical circulatory support (RV-MCS) devices has been limited by a lack of recognition of RV failure as well as a lack of availability and experience with RV-MCS.

Aims: We report a single-center experience with the use of percutaneous RV-MCS and report predictors of adverse outcomes.

Methods: This was a single-center retrospective cohort study.

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Introduction: Bibliometric studies can help guide researchers and funding bodies toward fields where more research activity is warranted. Bibliometric analyses have previously been published in many specialties and sub-specialties. Our literature search did not show a bibliometric analysis on pericardial diseases.

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Purpose Of Review: To summarize selected late-breaking science on cardiovascular (CV) disease prevention presented at the 2023 European Society of Cardiology (ESC) congress.

Recent Findings: The NATURE-PARADOX was a naturally randomized trial that used genetic data from the UK Biobank registry to create "cumulative exposure to low-density lipoprotein-cholesterol (LDL-C)" biomarker and evaluate its association with major CV events regardless of plasma LDL-C levels or age. Safety and efficacy data of inclisiran, a PCSK9-interfering mRNA (PCSK9i) administered subcutaneously twice annually, were presented.

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