Publications by authors named "Fadi Al-Rashid"

Objectives: We evaluated the ability of the assessment of regional wall motion abnormalities (RWMA) detected via transthoracic echocardiography to predict the presence of obstructive coronary artery disease (CAD) in patients presenting with acute chest pain to the emergency department.

Design: Prospective single-centre observational study.

Setting: Tertiary care university hospital emergency unit.

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Background: Brain natriuretic peptide (BNP)/N-terminal-pro hormone brain natriuretic peptides (NT-proBNP) enable risk stratification, diagnosing, and monitoring of heart failure patients. An additional prognostic value for BNP/NT-proBNP in nonheart failure patients and general population cohorts is described in the literature, but specific cut-off levels are only described for heart failure patients.

Objectives: This study aimed to determine thresholds for risk stratification in nonheart failure patients.

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  • The reliability of power supply in implantable electronic devices is crucial for their longevity and to minimize failures, with energy harvesting emerging as a solution by leveraging biomechanical movements in the body.* -
  • The "Twistron energy cell harvester" (TECH) uses coiled carbon nanotube yarn to convert heartbeats into electrical energy, showing a maximum output of 1.42 W/kg in tests simulating heart motion.* -
  • In vivo studies on pigs demonstrate that the TECH can continuously generate electricity from heart contractions, which is directly used for heart pacing, showcasing its potential for sustainable power in medical devices.*
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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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  • A study investigated the use of virtual reality (VR) as a non-drug method to reduce pain and anxiety during transcatheter aortic valve replacement (TAVR) procedures in intermediate-risk patients, comparing it to standard care.
  • The results showed that patients using VR reported significantly lower anxiety scores and perceived the procedure duration as shorter compared to those who did not use VR, while overall pain levels and procedure times were similar between the two groups.
  • The findings support the idea that VR is a safe and effective tool for improving patient comfort during TAVR procedures, highlighting an alternative approach to managing anxiety and pain without sedation.
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Aims: We tested the hypothesis that epicardial adipose tissue (EAT) quantification improves the prediction of the presence of obstructive coronary artery disease (CAD) in patients presenting with acute chest pain to the emergency department.

Methods And Results: Within this prospective observational cohort study, we included 657 consecutive patients (mean age 58.06 ± 18.

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Background: Percutaneous extracorporeal life support (pECLS) is increasingly applied in cardiogenic shock (CS) despite a lack of evidence from randomized trials. The in-hospital mortality rate of pECLS still reaches up to 60%, while vascular access site complications remain a shortcoming. Surgical approaches with central cannulation for ECLS (cELCS) have emerged as a bail-out option.

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In addition to appropriate patient screening, pre-procedural preparation is essential to optimize both technical success and patient outcome for protected percutaneous coronary intervention (PCI). A critical component of optimization is the identification and preparation of a suitable femoral access site. Here, we describe several options for both imaging and image-guided access to optimize the approach.

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  • Interest in percutaneous left ventricular assist devices (p-LVADs) like the Impella is increasing for patients undergoing high-risk percutaneous coronary interventions (PCI).
  • p-LVADs require careful anticoagulation management to balance the risks of bleeding against thrombus formation, which can lead to complications and device failure.
  • The chapter outlines various anticoagulant strategies, including medications and monitoring practices, to create a standardized approach for managing anticoagulation in patients receiving protected PCI.
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  • * Using devices like the Impella heart pump during procedures helps reduce risks for patients who are at higher risk and need more complex interventions.
  • * Recent findings from the PROTECT III trial show that CR with the support of Impella can lower the chances of needing additional procedures, highlighting the importance of advanced techniques and medications for better recovery.
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  • The study aimed to determine if CT-derived fractional flow reserve (CT-FFR) can effectively differentiate between significant and non-significant coronary stenosis in patients being evaluated for liver transplantation (LT).
  • A total of 201 patients underwent coronary computed tomography angiography (CCTA) to check for coronary artery disease (CAD), with follow-up invasive coronary angiography (ICA) for those with suspected significant stenosis.
  • Results showed that CT-FFR had good diagnostic accuracy, indicating that it may be a valuable noninvasive tool to reduce the need for invasive procedures in high-risk LT candidates.
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Background: Transcatheter aortic valve replacement (TAVR) improves the survival and life quality of nonagenarian patients with aortic stenosis. Stroke remains one of the most worrisome complications following TAVR. Cerebral embolic protection devices (CEPDs) may reduce neurological complications after TAVR.

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Background: We aimed to determine, whether epicardial adipose tissue (EAT) as local source of inflammation, as well as its change over time, associates with the development of heart failure with preserved ejection fraction (HFpEF) in patients with coronary artery disease.

Methods And Results: We retrospectively included 379patients (aged 65.2 ± 11.

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The left subclavian artery (LSA) is an infrequently used alternative access route for patients with severe peripheral artery disease (PAD) in patients who underwent transcatheter aortic valve replacement (TAVR). We report a new endovascular approach for TAVR combining an axillary prosthetic conduit-based access technique with new-generation balloon-expandable TAVR prostheses. Between January 2020 and December 2020, 251 patients underwent TAVR at the West German Heart and Vascular Center.

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Background And Aims: Available data suggest that the use of IVUS for guidance of percutaneous coronary interventions (PCIs) improves the prognosis of patients undergoing complex interventions. We aimed to examine how the utilization of intravascular ultrasound (IVUS) affects patient survival irrespective of procedure complexity.

Methods: The present analysis is based on the longitudinal ECAD registry of consecutive patients undergoing coronary angiography between 2004 and 2019.

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Background/objectives: Coronary microvascular dysfunction (CMD) is a common disorder, leading to symptoms similar to obstructive coronary artery disease and bears important prognostic implications. Local inflammation is suggested to promote development of CMD. Epicardial adipose tissue (EAT) is a local visceral fat depot surrounding the heart and the coronary arteries, modifying the inflammatory environment of the heart.

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  • The 2019 update of European Society of Cardiology guidelines revised how pre-test probabilities (PTPs) are assessed based on age, sex, and symptoms, impacting the selection of patients for dobutamine stress echocardiography (DSE).
  • A study analyzed 206 patients undergoing DSE for suspected obstructive coronary artery disease, revealing a shift in patient classifications due to updated PTP guidelines, particularly involving symptoms like dyspnea.
  • Despite these changes in patient selection, the diagnostic accuracy of DSE remained consistent, with a sensitivity of 68% in both groups classified under the old and new guidelines.
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An increasing number of patients with coronary artery disease are at high operative risk due to advanced age, severe comorbidities, complex coronary anatomy, and reduced ejection fraction. Consequently, these high-risk patients are often offered percutaneous coronary intervention (PCI) as an alternative to coronary artery bypass grafting (CABG). We aimed to investigate the outcome of patients with diabetes mellitus (DM) undergoing high-risk PCI.

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  • Researchers studied cancer patients who had heart problems while in the hospital to see how they did compared to non-cancer patients.
  • Out of over 60,000 patients, they found 153 cancer patients who needed special heart tests, mainly those with lymphoma and lung cancer.
  • The cancer patients had a higher chance of dying within a year (46% vs. 8% for non-cancer patients), so doctors need to pay special attention to their heart health.
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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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Background: Parameters that mark the timing of left ventricular (LV) reverse remodeling following transcatheter aortic valve replacement (TAVR) are incompletely defined. This study aims to identify the dynamics of LV strain derived from speckle tracking echocardiography in a cohort of patients with severe aortic stenosis (AS) who underwent TAVR and its correlation with postprocedural outcomes.

Methods: We selected 150 consecutive patients (82 ± 4 years old, STS score 6.

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Introduction: Lipid-lowering therapy of elderly patients with coronary artery disease (CAD) inherits a medical challenge, as these patients experience a higher absolute risk reduction but may be more prone to side effects. We aimed to evaluate the treatment patterns in lipid-lowering therapy, comparing CAD patients above versus below 75 years of age.

Methods: We retrospectively included patients with known CAD admitted to the West German Heart and Vascular Center.

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The outcome of transfemoral transcatheter aortic valve implantation (TF-TAVI) with a self-expanding (SEP) versus a balloon-expandable prosthesis (BEP) in patients with a reduced ejection fraction (rEF, ≤40%) has not been previously investigated. Patients with rEF have an increased risk of death after TF-TAVI compared to patients with a preserved ejection fraction (pEF), and prosthesis choice might influence the outcome of these patients. We, therefore, sought to compare all-cause mortality of patients with rEF using a SEP versus a BEP.

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  • Coronary microvascular dysfunction (CMD) is a prevalent condition mimicking symptoms of obstructive coronary artery disease, prompting a study to assess if left ventricular (LV) diastolic function and hypertrophy can help predict CMD.
  • The research involved analyzing data from 378 patients who underwent coronary angiography and echocardiography, identifying that CMD was present in 77.5% of them, with the CMD group being older, having fewer males, and higher blood pressure.
  • The study found that LV ejection time is significantly associated with CMD presence, while other echocardiographic parameters showed weaker or non-significant associations, suggesting a need for further exploration in CMD diagnosis.
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Background: An increasing number of high-risk percutaneous coronary interventions (PCI) are performed with mechanical circulatory support (MCS) to minimize the risk of periprocedural hemodynamic compromise. Prior studies have demonstrated that an elevated left-ventricular end-diastolic pressure (LVEDP) is associated with worse outcome after acute myocardial infarction or cardiac surgery. Although LVEDP is frequently measured, little is known about the usefulness for predicting periprocedural hemodynamic deterioration in high-risk PCI.

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