Publications by authors named "Issam Moussa"

Background: Aortic valve-in-valve (AViV) replacement for is approved for patients with degenerated surgical valves at high or prohibitive surgical risk, mostly on the basis of small series with short-term follow-up.

Objectives: The aim of this study was to analyze the outcomes of AViV therapy using contemporary balloon-expandable valves (BEVs) in a large series with mid-term outcomes.

Methods: BEV AViV patients (June 2015 to December 2023) in the Society for Thoracic Surgeons (STS)/American College of Cardiology TVT (Transcatheter Valve Therapy) Registry were propensity matched to native transcatheter aortic valve replacement (TAVR) patients.

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Simulation is an essential component of training in multiple fields, including aviation, and has gained particular interest in medical education, especially within cardiovascular medicine. Societies and institutions have supported the incorporation of simulators in medical education. However, its use has been limited chiefly to individual efforts without clear guidelines on best practices.

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Background Treatment of calcific neo-atherosclerosis/stent underexpansion due to inadequate calcific plaque modification continues to pose significant challenges. Intravascular lithotripsy (IVL) can cause fractures in the calcific plaques, facilitating adequate stent expansion and lumen. Objective Our objective is to assess the effectiveness of IVL in achieving optimal minimal stented area (MSA) in patients with in-stent restenosis (ISR) and 30-day cardiovascular and bleeding outcomes.

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Background: Due to evolving risk factor profiles and an aging population, atrial fibrillation poses a significant public health challenge in the United States. Therefore, a contemporary and nationally representative epidemiological study is necessary to reassess atrial fibrillation's impact on the health care system.

Objectives: The purpose of the study was to provide the most current and detailed assessment of atrial fibrillation's prevalence and management in the United States.

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Background: The American College of Cardiology Reduce the Risk: PCI Bleed Campaign was a hospital-based quality improvement campaign designed to reduce post-percutaneous coronary intervention (PCI) bleeding events. The aim of the campaign was to provide actionable evidence-based tools for participants to review, adapt, and adopt, depending upon hospital resources and engagement.

Methods: We used data from 8 757 737 procedures in the National Cardiovascular Data Registry between 2015 and 2021 to compare patient and hospital characteristics and bleeding outcomes among campaign participants (n=195 hospitals) and noncampaign participants (n=1384).

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Article Synopsis
  • - The study examines the rising prevalence of coronary artery disease (CAD) in adults with chronic limb-threatening ischemia (CLTI) from 2000 to 2018, finding that about 23% of CLTI patients also had CAD, which increased over the years from 15.3% to 23.1%.
  • - It reports that individuals with CLTI and CAD have a higher risk of in-hospital mortality and complications, such as bleeding requiring transfusion, compared to those without CAD.
  • - The research highlights a shift in treatment methods, showing an increase in endovascular procedures over surgical ones for patients with both CAD and CLTI, and suggests a need for improved interventions for this vulnerable group.
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Article Synopsis
  • Concomitant mitral stenosis (MS) occurs in 10-15% of patients undergoing transcatheter aortic valve replacement (TAVR), prompting a study to investigate outcomes using the Nationwide Inpatient Sample database from 2015 to 2020.
  • The research compared two groups: patients with MS and those without, focusing on baseline characteristics and in-hospital outcomes like mortality, respiratory failure, and the need for pacemakers.
  • Results showed that patients with MS had a higher incidence of acute respiratory failure (8.8% vs. 4.89%), complete heart block (13.54% vs. 9.36%), and permanent pacemaker placement (8.03% vs. 6.03%),
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Precise appreciation of the 3-dimensional relationship between the edge-to-edge clips and mitral valve apparatus remains clinically challenging. We demonstrate the images of clips observed in situ 4 years after implantation. Detailed observation from this case helps improve our understanding of 3-dimensional clinical cardiac anatomy related to transcatheter edge-to-edge mitral valve repair.

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Right ventricular perforation is a catastrophic complication of catheter-based intracardiac interventions. In this context, appreciation of 5 attachments of the right ventricle to the aortoventricular unit is essential to recognize extent of right ventricular free wall. We herein present progressive dissection and virtual and photographic endoscopic images of the hearts without distortion.

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The use of 7 Tesla (T) magnetic resonance imaging (MRI) is expanding across medical specialties, particularly, clinical neurosciences and orthopedics. Investigational 7 T MRI has also been performed in cardiology. A limiting factor for expansion of the role of 7 T, irrespective of the body part being imaged, is the sparse testing of biomedical implant compatibility at field strengths >3 T.

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Exclusion of the left atrial appendage to reduce thromboembolic risk related to atrial fibrillation was first performed surgically in 1949. Over the past 2 decades, the field of transcatheter endovascular left atrial appendage closure (LAAC) has rapidly expanded, with a myriad of devices approved or in clinical development. The number of LAAC procedures performed in the United States and worldwide has increased exponentially since the Food and Drug Administration approval of the WATCHMAN (Boston Scientific) device in 2015.

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Exclusion of the left atrial appendage to reduce thromboembolic risk related to atrial fibrillation was first performed surgically in 1949. Over the past 2 decades, the field of transcatheter endovascular left atrial appendage closure (LAAC) has rapidly expanded, with a myriad of devices approved or in clinical development. The number of LAAC procedures performed in the United States and worldwide has increased exponentially since the Food and Drug Administration approval of the WATCHMAN (Boston Scientific) device in 2015.

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Exclusion of the left atrial appendage to reduce thromboembolic risk related to atrial fibrillation was first performed surgically in 1949. Over the past 2 decades, the field of transcatheter endovascular left atrial appendage closure (LAAC) has rapidly expanded, with a myriad of devices approved or in clinical development. The number of LAAC procedures performed in the United States and worldwide has increased exponentially since the Food and Drug Administration approval of the WATCHMAN (Boston Scientific) device in 2015.

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This study aimed to compare the outcomes of different revascularization strategies among patients presenting with ST-segment elevation myocardial infarction (STEMI) and multivessel coronary artery disease (MVD) undergoing primary percutaneous coronary intervention (PCI). MVD is present in about one-half of patients presenting with STEMI. Despite several randomized controlled trials (RCTs) comparing complete revascularization (CR) and culprit-only revascularization (COR), the optimal PCI strategy for STEMI patients with MVD remains unsettled.

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