Cardiomyopathy/Myocarditis
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Outcomes of COVID-19-Associated Acute Myocarditis
In a review of COVID-19-associated acute myocarditis, investigators learned it is a rare complication that can occur without concomitant pneumonia, and frequently presents as cardiogenic shock. With supportive therapy, the short-term mortality rate is low.
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Investigators Use Personalized Modeling to Diagnose Hypertrophic Cardiomyopathy
Blended techniques could help clinicians draft more effective treatment plans.
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Significance of Flail Mitral Leaflet and Wall-Impinging Regurgitant Flow
Using cardiac MRI as a gold standard, the presence of a flail mitral leaflet or a wall-impinging mitral regurgitant jet on transthoracic echocardiography were associated with severe mitral regurgitation, but not diagnostic of it.
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New Treatment for Hypertrophic Obstructive Cardiomyopathy
A study of the echocardiographic characteristics of symptomatic patients with obstructive hypertrophic cardiomyopathy treated with mavacamten showed a persistent 30-week improvement in several key pathophysiologic characteristics.
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Screen Older Heart Failure Patients for Transthyretin Cardiac Amyloidosis
A screening study of heart failure patients ≥ age 60 years, left ventricular ejection fraction ≥ 40%, and left ventricle wall thickness ≥ 12 mm revealed 6.3% prevalence of transthyretin cardiac amyloidosis, a highly treatable disease.
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Who Benefits from Primary Prevention ICDs?
Long-term follow-up of SCD-HeFT did not show any benefit in installing implantable cardioverter-defibrillator devices in patients with New York Heart Association class III symptoms or nonischemic cardiomyopathy.
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Delays in Transfer For Primary PCI in STEMI
Most patients with ST-elevation myocardial infarction (STEMI) present to hospitals that are not capable of percutaneous coronary intervention (PCI). Rapid transfer to PCI-capable facilities for primary PCI may result in earlier reperfusion of the infarct artery and better clinical outcomes. However, delays in transfer may diminish the mortality benefit achieved with primary PCI in STEMI. -
Assessment of Functional Severity of Coronary Lesions by CT Angiography — FFRCT
Anatomic definition of coronary artery lesions by invasive coronary angiography (ICA) or computed tomography coronary angiography (CCTA) has limitations. -
BNP in Chronic Aortic Regurgitation
The most appropriate time to intervene in asymptomatic patients with chronic severe aortic regurgitation is controversial. Since brain natriuretic peptide (BNP) is released by the heart in response to increased wall stress, it has been proposed as a biomarker of the time to intervene in chronic valvular regurgitation patients. -
Laser Pacemaker Lead Extraction in Octogenarians
In this paper, Rodriguez and his colleagues from the Department of Cardiothoracic Surgery at the University of Miami report their experience with laser-assisted cardiac rhythm device lead extraction in a large group of patients.