Publications by authors named "Islam Y Elgendy"

Background: Transfemoral (TF) access is the preferred approach for transcatheter aortic valve replacement (TAVR). Limited data exist regarding the outcomes of intravascular lithotripsy (IVL)-assisted TF TAVR in patients with peripheral artery disease.

Objectives: This study sought to examine contemporary characteristics, trends, and outcomes of IVL TAVR in the United States.

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Background: The comparative outcomes with immediate, staged in-hospital, and staged out-of-hospital complete revascularization for patients with ST-segment-elevation myocardial infarction and multivessel disease remain unclear.

Methods And Results: An electronic search of MEDLINE, SCOPUS, and Cochrane databases was performed through August 2023 for randomized trials evaluating immediate, staged in-hospital, and staged out-of-hospital complete revascularization for patients with ST-segment-elevation myocardial infarction and multivessel disease. The primary outcome was major adverse cardiac events (MACEs).

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Article Synopsis
  • - Venous thromboembolism (VTE) significantly contributes to maternal mortality, with pregnant and postpartum women at about five times greater risk than non-pregnant women due to increased clotting tendencies during this period.
  • - Various non-obstetric risk factors can further elevate the likelihood of VTE, making it essential to distinguish symptoms since they may resemble normal pregnancy signs.
  • - Diagnosis relies on tools like D-dimer testing, ultrasonography, and CT pulmonary angiography, while treatment primarily involves anticoagulation with heparin, though advanced therapies are available for high-risk cases.
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Background: The efficacy of direct oral anticoagulants (DOACs) in preventing ischemic and thromboembolic events may be suboptimal in atrial fibrillation (AF) patients with rheumatic mitral stenosis. However, their safety and effectiveness after mitral valve replacement (MVR) using bioprosthetic valves is unclear.

Objectives: This study sought to evaluate the safety and effectiveness of DOACs vs warfarin among patients with rheumatic heart disease (RHD)-associated AF after bioprosthetic MVR.

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Acute pulmonary embolism (PE) is a leading cause of mortality. Not only is PE associated with short-term mortality, but up to ~20% of patients might suffer from long-term consequences such as post-PE syndrome and chronic thromboembolic pulmonary hypertension. Current risk stratification tools poorly predict those who are at risk for short-term deterioration and those who develop long-term consequences.

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Noninvasive and invasive imaging modalities play important roles for the detection of patent foramen ovale (PFO). Transthoracic echocardiography or transcranial Doppler bubble study can be used for initial noninvasive PFO screening. For diagnostic confirmation, transesophageal echocardiography bubble study can be utilized, a semiinvasive confirmatory test that can directly visualize a PFO.

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Article Synopsis
  • Complete revascularization is the standard treatment for older STEMI patients with multivessel disease, offering benefits shown in the FIRE trial, though long-term effects remain uncertain.
  • A meta-analysis of several randomized clinical trials analyzed data from 1733 patients aged 75 and older, comparing complete versus culprit-only revascularization strategies.
  • Results indicated that complete revascularization significantly reduced the risk of cardiovascular death or myocardial infarction in the long term, but did not show a difference in overall death rates compared to culprit-only revascularization.
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Background: Chronic systemic anticoagulation use is prevalent for various thromboembolic conditions. Anticoagulation (usually through heparin products) is also recommended for the initial management of non-ST-elevation myocardial infarction (NSTEMI).

Aims: To evaluate the in-hospital outcomes of patients with NSTEMI who have been on chronic anticoagulation.

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Background: Pulmonary embolism is one of the leading causes of morbidity and mortality in the United States. Catheter-directed therapies have emerged as a promising treatment for managing intermediate- and high-risk patients; however, data comparing standard catheter-directed thrombolysis (SCDT) and ultrasound-assisted thrombolysis (USAT) are limited. This study aimed to investigate trends, outcomes, and predictors of mortality of both modalities from a nationally representative sample.

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  • This study examined the link between participating in clinical trials and the rates of unplanned readmissions within 30 days for patients with acute coronary syndrome (ACS).
  • Analysis of data covering over 2 million ACS cases showed no significant difference in readmission rates between trial participants and non-participants.
  • Non-participants had higher rates of readmissions due to cardiovascular issues, while trial participants experienced more complications, such as bleeding and strokes, during readmission.
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Background: Data on outcomes of patients with high-risk acute pulmonary embolism (PE) transferred from other hospitals are scarce.

Methods: We queried the Nationwide Readmissions Database for admissions who were ≥18 years old, and with a primary discharge diagnosis of acute high-risk PE between the years 2016 and 2019. The main outcome of interest was the difference in all-cause in-hospital mortality between patients admitted directly to small/medium hospitals; patients admitted directly to large hospitals; and patients transferred to large hospitals.

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Evidence suggests an association between obesity and the risk for cardiomyopathy development; however, robust evidence is still lacking. In this study we sought to explore the relationship of obesity with hypertrophic cardiomyopathy (HCM) and dilated cardiomyopathy (DCM) and possible interactions with sex using large-scale epidemiological real-world data. We analysed data from the Nationwide Inpatient Sample of US hospitalisations for the years 2015-2019.

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Background: Randomized controlled trials (RCTs) examining the outcomes with limus drug-coated balloons (DCBs) vs paclitaxel DCBs were small and underpowered for clinical endpoints.

Objectives: This study sought to compare the angiographic and clinical outcomes with limus DCBs vs paclitaxel DCBs for percutaneous coronary intervention (PCI).

Methods: An electronic search of Medline, EMBASE, and Cochrane databases was performed through January 2024 for RCTs comparing limus DCBs vs paclitaxel DCBs for PCI.

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Background: Transcatheter aortic valve replacement (TAVR) has been highly increased as the recommended option for patients with a high surgical risk. This study aims to commit a systematic review and meta-analysis to assess the outcomes in severe aortic stenosis patients following emergency transcatheter aortic valve replacement (emergent TAVR) compared to elective TAVR or eBAV followed by elective TAVR.

Methods: We conducted a systematic literature search of PubMed, Embase, Cochrane CENTRAL, CINAHL, Science Direct, and Google Scholar.

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Article Synopsis
  • The study aimed to compare the outcomes of intravascular ultrasound (IVUS) and conventional coronary angiography in patients undergoing complex percutaneous coronary intervention (PCI).
  • A meta-analysis of 10 randomized clinical trials involving 6,615 patients showed that IVUS significantly reduced major adverse clinical events (MACE) like cardiac death and stent thrombosis compared to coronary angiography.
  • The results indicated no significant difference between the two groups regarding all-cause death and myocardial infarction, highlighting IVUS's potential benefits in improving PCI outcomes.
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Background: Transcatheter aortic valve replacement (TAVR) is a reasonable therapeutic approach among patients with symptomatic severe aortic stenosis irrespective of surgical risk. Data regarding sex-specific differences in the outcomes with newer generation valves are limited.

Methods: Electronic databases were searched for studies assessing sex differences in the outcomes of patients undergoing TAVR with newer generation valves (SAPIEN 3 or Evolut).

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Importance: Stroke is a leading cause of death and disability in the US. Accurate and updated measures of stroke burden are needed to guide public health policies.

Objective: To present burden estimates of ischemic and hemorrhagic stroke in the US in 2019 and describe trends from 1990 to 2019 by age, sex, and geographic location.

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