Publications by authors named "Marmor David"

Introduction: Chronic kidney disease (CKD) is a well-documented risk factor for major adverse cardiac events and bleeding events. The optimal antiplatelet strategy for patients with CKD remains unclear, especially patients with glomerular filtration rate (GFR) < 30 ml/min. We aim to compare clinical outcomes of patients with acute coronary syndrome (ACS) and CKD treated with ticagrelor or prasugrel vs.

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  • Platelets have a significant impact on aortic stenosis (AS) and patients undergoing transcatheter aortic valve implantation (TAVI), prompting an analysis of their indices in relation to AS stages.
  • In a study involving 220 TAVI patients, they were categorized into 5 AS stages based on cardiac damage, revealing a correlation between higher mean platelet volume (MPV) and advanced AS staging, as well as lower hemoglobin levels.
  • The findings indicate that while MPV and immature platelet fraction (IPF) show variations across stages, only MPV and body mass index (BMI) were significant predictors of higher AS staging in the logistic regression analysis.
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  • Out-of-hospital cardiac arrest (OHCA) is a significant global health issue, with younger patients often affected by genetic and electrical disorders, while older patients commonly suffer from ischemic heart disease.
  • A study involving 92 patients revealed that the majority had acute coronary syndrome, with many undergoing treatments like targeted temperature management and coronary angiography, but only half received percutaneous coronary intervention (PCI).
  • Despite the challenges, most patients survived hospitalization, suggesting that improving awareness and treatment guidelines could enhance outcomes for those experiencing OHCA.
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  • The study focuses on the effectiveness of transcatheter edge-to-edge repair (TEER) for patients with mitral regurgitation (MR), specifically examining pulmonary venous (PV) flow as an indicator of heart valve function.
  • Researchers analyzed data from 80 consecutive MR patients who underwent TEER, measuring PV flow parameters before and after the procedure, and evaluated their relationship with heart failure hospitalizations (HFH) and mortality rates over one year.
  • Results showed significant improvements in PV flow following the TEER procedure, indicating that better hemodynamic parameters were linked to lower risks of heart failure and mortality, highlighting the potential of PV flow analysis as a useful tool for assessing TEER outcomes.
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  • The study investigates the incidence of fatal heart complications, specifically ventricular fibrillation (VF) and sustained ventricular tachycardia (VT), in patients with non-ST elevation myocardial infarction (NSTEMI) admitted to an intensive coronary care unit (ICCU).
  • Out of 732 NSTEMI patients monitored, only three (0.4%) developed VF/VT during their stay, with none of the patients experiencing mortality in a year following treatment.
  • The findings indicate that VF/VT occurrences in NSTEMI patients under current treatment guidelines are infrequent, suggesting that routine ICCU monitoring may not be necessary for these patients.
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  • A study was conducted to explore sex differences in in-hospital mortality rates among patients with acute coronary syndrome (ACS), highlighting that women face higher mortality and complications despite efforts to reduce sex bias in treatment.
  • The research involved analyzing data from 2,346 ACS patients, with a focus on 453 female patients, who showed greater prevalence of non-ST elevation myocardial infarction (NSTEMI) and longer wait times for urgent procedures compared to males.
  • The study developed predictive models using artificial intelligence, finding that the gradient boosting classifier performed best in predicting in-hospital mortality, indicating age, type of myocardial infarction, and inflammatory markers as key risk factors.
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Introduction: Immature platelets or reticulated platelets are newly released thrombocytes. They can be identified by their large size and high RNA cytoplasm concentration. Immature platelet fraction (IPF) represents the percentage of immature circulative platelets relative to the total number of platelets.

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  • - The study investigates the impact of postprocedural mitral valve gradient (MVG) on outcomes in patients with mitral regurgitation (MR) undergoing transcatheter edge-to-edge repair (TEER).
  • - It analyzes 100 patients, noting that the mean MVG increased significantly post-procedure, but survival rates were similar across different MVG groups, while heart failure hospitalization (HFH) rates were higher with greater changes in MVG.
  • - The findings suggest that although MVG typically rises after TEER, a larger increase (delta MVG ≥3 mmHg) is linked to a higher incidence of HFH, indicating the need for monitoring in these patients.
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  • The mitral valve (MV) is crucial in hypertrophic obstructive cardiomyopathy (HOCM), particularly in causing dynamic left ventricular outflow tract (LVOT) obstruction through systolic anterior motion (SAM).
  • First-line treatment for HOCM is typically pharmacological, but surgical options may be necessary for patients who don’t respond to medication, especially given that standard therapies often fail to resolve mitral regurgitation (MR) associated with HOCM.
  • Emerging therapies like transcatheter edge-to-edge repair (TEER) show promise in treating HOCM by modifying the mitral valve, helping reduce SAM and LVOT obstruction, with proposed algorithms for high-risk patients considering this intervention.
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  • Timely reperfusion within 120 minutes is crucial for patients with NSTEMI who have high-risk features, but there's limited data on how using high-sensitivity cardiac troponin (hs-cTn) levels at admission can help improve treatment outcomes.
  • A study involving 544 NSTEMI patients examined the relationship between initial hs-cTn levels and all-cause mortality over three years, dividing patients into quartiles based on their hs-cTnI levels upon admission.
  • The findings revealed that patients in the highest hs-cTnI quartile had a significantly higher mortality rate compared to those in the lowest quartile, emphasizing the need for more research on early treatment strategies for
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Background: Vasopressors are frequently utilized for blood pressure stabilization in patients with cardiogenic shock (CS), although with a questionable benefit. Obtaining central venous access is time consuming and may be associated with serious complications. Hence, we thought to evaluate whether the administration of vasopressors through a peripheral venous catheter (PVC) is a safe and effective alternative for the management of patients with CS presenting to the intensive cardiovascular care unit (ICCU).

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Introduction: Degenerative mitral valve disease (DMR) is a common valvular disorder, with flail leaflets due to ruptured chordae representing an extreme variation of this pathology. Ruptured chordae can present as acute heart failure which requires urgent intervention. While mitral valve surgery is the preferred mode of intervention, many patients have significantly elevated surgical risk and are sometimes considered inoperable.

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  • The study focuses on nonagenarians (people aged 90 and older) with cardiovascular disease, highlighting that they are often underrepresented in clinical trials, leading to a lack of effective management strategies.
  • Researchers compared nonagenarians admitted to a tertiary care coronary care unit with other patients over a three-year period, analyzing factors such as admission causes and in-hospital mortality rates.
  • Results showed nonagenarians had higher rates of comorbidities and a two-fold higher in-hospital mortality rate compared to younger patients, yet they showed generally positive outcomes post-admission, indicating the need for more targeted research on this age group.
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Background: Acutely ill patients treated with blood transfusion (BT) have unfavorable prognoses. Nevertheless, data regarding outcomes in patients treated with BT admitted into a contemporary tertiary care medical center intensive cardiac care unit (ICCU) are limited. The current study aimed to assess the mortality rate and outcomes of patients treated with BT in a modern ICCU.

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Acute mitral regurgitation (MR) is not a rare finding following acute myocardial infarction (AMI). It may develop due to papillary muscle rupture (primary MR) or due to rapid remodeling of the infarcted areas leading to geometric changes and leaflets tethering (secondary or functional MR). The clinical presentation can be catastrophic, with pulmonary edema and refractory cardiogenic shock.

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Conventional photographs do not show how, at any moment of visual fixation, neural vision is clear only in the foveal center. We have developed new computer simulations to show both normal vision and vision with macular disease. These simulations show the nature of momentary vision for life tasks such as reading, facial recognition, and walking in the street.

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Venous thromboembolism is a common and often fatal problem in postsurgical patients. These patients are usually treated with either therapeutic anticoagulation or the placement of inferior vena cava (IVC) filters. Controversy surrounds the use of IVC filters, because no data exist proving survival benefit.

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