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Shear Stress

Abstract

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Low shear stress induces vascular eNOS uncoupling via autophagy-mediated eNOS phosphorylation Role of local coronary blood flow patterns and shear stress on the development of microvascular and epicardial endothelial dysfunction and coronary plaque Comparison Of High Shear Stress-Induced Thrombotic And Thrombolytic Effect Between Aspirin, Clopidogrel And Very Low Dose Rivaroxaban And Aspirin, Ticagrelor Treatments In Patients With Acute Coronary Syndrome Evolving insights into the role of local shear stress in late stent failure from neoatherosclerosis formation and plaque destabilization Low shear stress induces endothelial reactive oxygen species via the AT1R/eNOS/NO pathway Role of Low Endothelial Shear Stress and Plaque Characteristics in the Prediction of Nonculprit Major Adverse Cardiac Events: The PROSPECT Study Transcatheter Aortic Valve Implantation Represents an Anti-Inflammatory Therapy Via Reduction of Shear Stress-Induced, Piezo-1-Mediated Monocyte Activation Implications of the local hemodynamic forces on the formation and destabilization of neoatherosclerotic lesions
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Review ArticleVolume 72, Issue 19, November 2018

JOURNAL：J Am Coll Cardiol. Article Link

Ejection Fraction Pros and Cons: JACC State-of-the-Art Review

TH Marwick Keywords: ejection fraction; heart failure; myocardial infarction; strain; valvular heart disease

ABSTRACT

Ejection fraction (EF) reflects both cardiac function and remodeling, and is widely recognized as a valuable diagnostic and prognostic tool. Its use in a variety of settings, ranging from heart failure and myocardial infarction to valvular heart disease, has made it a cornerstone of modern cardiology, pervading guidelines and practice. However, the development of the test was in another era, with younger patients and a lower prevalence of heart failure with preserved EF. The performance expectations of EF in the current era are also demanding-in relation to detection of subclinical LV dysfunction, and especially relating to recognition of changes in LV function on sequential testing-for example in patients taking cardiotoxic drugs. This review discusses whether the impressive evidence base for EF justifies its ongoing use in the context of newer markers of LV function, and the sophisticated questions posed by modern cardiology.



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