Publications by authors named "Amir-Abbas Mahabadi"

Background: The impact of systemic inflammation in acute myocardial infarction complicated by cardiogenic shock (AMI-CS) is still a matter of debate. The present ECLS-SHOCK sub-study investigates the association of C-reactive protein (CRP) levels with short-term outcomes in patients with AMI-CS.

Methods: Patients with AMI-CS enrolled in the multicenter, randomized ECLS-SHOCK trial between 2019 and 2022 were included.

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Background: The PASCAL P10 system for mitral valve transcatheter edge-to-edge repair has undergone iterations, including introduction of the narrower Ace implant and the Precision delivery system.

Objectives: The study sought to evaluate outcomes and the impact of PASCAL mitral valve transcatheter edge-to-edge repair device iterations.

Methods: The REPAIR (REgistry of PAscal for mltral Regurgitation) study is an investigator-initiated, multicenter registry including consecutive patients with mitral regurgitation (MR) treated from 2019 to 2024.

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Background: Mitral and tricuspid regurgitation in patients with cardiac amyloidosis (CA) pose significant diagnostic and therapeutic challenges due to its non-specific symptoms and limited treatment options. Transcatheter edge-to-edge repair (TEER) is complicated by altered cardiac geometry, advanced restriction, and potential amyloid valve deposits.

Case Summary: We present the case of dual TEER in a 79-year-old male with advanced transthyretin cardiac amyloidosis (ATTR-CA) and severe symptomatic mitral and tricuspid regurgitation.

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Background: The outcomes of patients with acute myocardial infarction complicated by cardiogenic shock (AMI-CS) and the efficacy and safety of extracorporeal life support (ECLS) may be affected by the timing of hospital admission.

Objectives: The present ECLS-SHOCK substudy sought to investigate the prognostic impact of on-hours vs off-hours admission and the efficacy of ELCS according to the timing of hospital admission time in AMI-CS.

Methods: Patients with AMI-CS enrolled in the multicenter, randomized ECLS-SHOCK trial from 2019 to 2022 were included.

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Article Synopsis
  • The study focused on how smoking impacts outcomes for patients who experienced acute myocardial infarction (AMI), looking specifically at death rates over a follow-up period of about 1.14 years.
  • Among 1612 AMI patients, current smokers had a higher long-term mortality rate (56% more) compared to non-smokers, while ex-smokers had similar outcomes to non-smokers.
  • The findings suggest that active smoking leads to worse outcomes in terms of survival and earlier onset of heart-related issues, such as STEMI, compared to those who do not smoke.
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Aims: Pilot studies indicate that immunoadsorption with subsequent IgG substitution (IA/IgG) induces beneficial effects in patients with dilated cardiomyopathy (DCM) and heart failure. This placebo-controlled study investigates whether IA/IgG treatment enhances left ventricular (LV) systolic function as compared to a control group receiving pseudo-treatment.

Methods: This multicentre, randomized, double-blind, parallel-group trial aims to include 200 patients with heart failure due to DCM (LV ejection fraction [LVEF] <40%) on optimized guideline-directed heart failure medication.

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Background: FHIR (Fast Healthcare Interoperability Resources) has been proposed to enable health data interoperability. So far, its applicability has been demonstrated for selected research projects with limited data.

Objective: This study aimed to design and implement a conceptual medical intelligence framework to leverage real-world care data for clinical decision-making.

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Previous trials reported comparable results with PASCAL and earlier MitraClip generations. Limited comparative data exist for more contemporary MitraClip generations, particularly the large MitraClip XT(R/W). We aimed to evaluate acute and 30-day outcomes in patients undergoing mitral valve transcatheter edge-to-edge repair (M-TEER) with one of the large devices, either PASCAL P10 or MitraClip XT(R/W) (3rd/4th generation).

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Background: Acute total occlusion (ATO) is diagnosed in a substantial proportion of patients with non-ST-elevation myocardial infarction (NSTEMI). We compared procedural outcomes and long-term mortality in patients with STEMI with NSTEMI with vs. without ATO.

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Aims: Conduction abnormalities necessitating permanent pacemaker (PPM) implantation remain the most frequent complication post-transcatheter aortic valve implantation (TAVI), yet reliance on PPM function varies. We evaluated the association of right-ventricular (RV)-stimulation rate post-TAVI with 1-year major adverse cardiovascular events (MACE) (all-cause mortality and heart failure hospitalization).

Methods And Results: This retrospective cohort study of patients undergoing TAVI in two high-volume centers included patients with existing PPM pre-TAVI or new PPM post-TAVI.

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Article Synopsis
  • Extracorporeal Life Support (ECLS) is being used more for treating cardiogenic shock related to heart attacks, but its effect on survival rates is unclear.
  • In a multicenter trial, patients with an acute heart attack and planned revascularization were divided into two groups: one receiving ECLS along with standard treatment and the other receiving standard treatment alone, with death rates tracked after 30 days.
  • Results showed no significant difference in mortality between the two groups, but the ECLS group experienced higher rates of bleeding and vascular complications.
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Background: Lipid-lowering therapy (LLT) in patients with cardiovascular disease (CVD) is insufficient despite clear guideline recommendations. Lipid clinics have specialized in patients with dyslipidemia, but the magnitude and reduction of low-density lipoprotein cholesterol (LDL-C) in lipid clinics has not yet been studied in depth.

Objective: To assess LDL-C reduction in very high-risk CVD patients achieved in a lipid clinic through different forms of LLT in comparison to standard care without the initiation of PSCK9 inhibitors.

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Background: Statin therapy promotes the progression of coronary artery calcification (CAC). Comparing patients on high (HIST) vs. low-to-intermediate intensity statin therapy (LIST), randomized controlled trials with a one-year follow-up failed to document a relevant difference in the Agatston score and CAC volume.

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Economic status has a measurable and significant effect on cardiovascular health. Socioeconomic- and income-related disparities worsen cardiovascular risk factors. Peripheral artery disease (PAD) remains a major risk factor for morbidity and mortality.

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Background: Severe tricuspid regurgitation (TR) is independently associated with increased morbidity and mortality. Percutaneous transcatheter approaches may offer an alternative for patients not amenable to surgery.

Methods: TriCLASP is a prospective, single-arm, multicenter European post-market clinical follow-up study (NCT04614402) to evaluate the safety and performance of the PASCAL system (Edwards Lifesciences) in patients with severe or greater TR.

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Background: Beta blockers (BB) reduce chronotropic response and exercise capacity in heart failure with preserved ejection fraction (HFpEF). To analyze the influence of BB on exercise performance and O 2 pulse increase as a surrogate for stroke volume in HFpEF.

Methods: We retrospectively analyzed the influence of BB intake (yes: n = 48/no: n = 51) on peak oxygen uptake (VO 2peak), oxygen uptake efficiency slope (OUES), and increase of O 2 pulse in HFpEF patients undergoing cardiopulmonary exercise testing (CPET).

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Background: Clinical outcome in patients with coronavirus disease 2019 (COVID-19) requiring treatment on intensive care units (ICU) remains unfavourable. The aim of this retrospective study was to exploratively identify potential predictors of unfavourable outcome in ICU patients diagnosed with COVID-19.

Methods: In all patients with COVID-19 (n=50) or severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2) as comorbidity (n=11) at our ICU we assessed clinical, respiratory and laboratory parameters with a potential role for outcome.

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Background: Epicardial adipose tissue (EAT) surrounds the heart and the coronary vessels. EAT produces pro- and anti-inflammatory cytokines. Several studies have already documented the association of EAT and cardiovascular risk factors as well as coronary artery disease manifestations.

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Objectives: N-Terminal pro Brain Natriuretic Peptide (NT-proBNP) is a diagnostic marker for heart failure and a prognostic factor for cardiovascular disease (CVD). The aim of this study was to examine the association of socioeconomic position (SEP) with NT-proBNP while assessing sex-differences and the impact of CVD risk factors and prevalent CVD on the association.

Methods: Baseline data of 4598 participants aged 45-75 years of the Heinz Nixdorf Recall Study were used.

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Background: In acute myocardial infarction complicated by cardiogenic shock the use of mechanical circulatory support devices remains controversial and data from randomized clinical trials are very limited. Extracorporeal life support (ECLS) - venoarterial extracorporeal membrane oxygenation - provides the strongest hemodynamic support in addition to oxygenation. However, despite increasing use it has not yet been properly investigated in randomized trials.

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Article Synopsis
  • The study aimed to investigate the relationship between air pollution and the progression of atherosclerosis by examining several pollutants and their effects on health markers like carotid intima media thickness (cIMT) and calcification in coronary and thoracic aortic arteries.
  • Researchers analyzed data from 4,814 middle-aged adults over a period of multiple years, measuring long-term air pollution exposure and assessing atherosclerosis through advanced imaging techniques.
  • Results showed that while no strong associations were found in the overall population, certain air pollutants were linked to the progression of atherosclerosis in individuals with low baseline disease, indicating that air pollution may exacerbate health issues for those already at risk.
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Background: The long-term survival of cancer patients has significantly improved over the past years. Despite their therapeutic efficacy, various cancer therapies are associated with cardiotoxicity. Therefore, timely detection of cardiotoxic adverse events is crucial.

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Non-vitamin K antagonist oral anticoagulants (NOACs) have proven a favorable risk-benefit profile compared to vitamin K antagonists (VKAs) for preventing stroke and systemic embolism in patients with non-valvular atrial fibrillation (AF), but actual data are not sufficiently powered to extend this profile on patients with AF that undergo cardioversion. We aimed to compare outcomes after cardioversion of AF under NOACs vs. VKAs.

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Cancer therapy may lead to cardiovascular complications and can promote each aspect of cardiac disease manifestation, such as vascular disease including coronary heart disease, myocardial diseases including heart failure, structural heart diseases including valvular heart diseases, and rhythm disorders. All potential complications of cancer therapy onto the cardiovascular system require imaging for diagnostic workup as well as monitoring of therapy. Transthoracic echocardiography (TTE) is the most frequently used tool for assessment of cardiac function during or after cancer therapy in daily clinical routine.

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Synopsis of recent research by authors named "Amir-Abbas Mahabadi"

  • - Amir-Abbas Mahabadi's recent research predominantly focuses on cardiovascular health, exploring the effects of various conditions and treatments on patient outcomes in settings such as myocardial infarction, heart failure, and valvular interventions.
  • - A significant finding from his studies emphasizes the nuanced impact of pulmonary hypertension on outcomes after tricuspid valve repairs, as well as the independent negative effect of smoking on survival rates post-acute myocardial infarction.
  • - Additionally, Mahabadi's work includes evaluating innovative treatment methodologies such as immunoadsorption in dilated cardiomyopathy and the use of extracorporeal life support in cardiogenic shock, aiming to advance clinical management through comprehensive data analyses.