alexa Unexplained Dyspnea And Diastolic Function
ISSN: 2167-1095

Journal of Hypertension: Open Access
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JOINT EVENT ON 2nd International Conference on Hypertension & Healthcare and 2nd International Conference on Non-invasive Cardiac Imaging, Nuclear Cardiology & Echocardiography
September 11-13, 2017 | Amsterdam, Netherlands

Fabiola B Sozzi
University of Milan, Italy
ScientificTracks Abstracts: J Hypertens
DOI: 10.4172/2167-1095-C1-002
Abstract
Chronic dyspnea is associated with a variety of diseases and is also a major symptom of heart failure (HF). The differential diagnosis of dyspnea is a daily routine in every cardiology practice. Approximately one-half of patients with HF have a preserved ejection fraction (HFpEF). Diagnosis of HFpEF is challenging and relies largely on demonstration of elevated cardiac filling pressures represented by the pulmonary capillary wedge pressure (1). The American College of Cardiology Foundation/American Heart Association guidelines define HFpEF as clinical signs and symptoms of HF, preserved ejection fraction, and no other obvious explanation for symptoms. This scheme works well for patients with a high likelihood of disease on the basis of clinical indicators of congestion. To address the patients without overt congestion, more recent guideline statements from the European Society of Cardiology (ESC) and American Society of Echocardiography/European Association of Cardiovascular Imaging (ASE/EACVI) [2] require objective evidence of high left ventricular filling pressures. Elevated left ventricular filling pressure is a cardinal feature of HfpEF and can be clinically demonstrated by elevations in plasma natriuretic peptide levels. The ratio of transmitral E to mitral annular e' velocities (E/e') at Doppler echocardiography has been proposed as a non-invasive measure of left ventricular filling pressure and endorsed by professional guidelines as a surrogate parameter of invasive left ventricular filling pressure in the diagnostic work-up of HFpEF. The diagnosis of HFpEF is straightforward when patients are acutely decompensated. To make matters more complex, many patients with HFpEF display normal left ventricular filling pressures at rest, with abnormalities that develop during stresses like exercise (3). Invasive hemodynamic exercise testing has emerged as the gold standard to diagnose or exclude HFpEF in patients with exertional dyspnea of unclear etiology, but cost, risk, and the requirement for specialized training and equipment may limit its broad application in practice and in clinical trials. Therefore, Doppler echocardiography plays a central role in the non-invasive evaluation and grading of diastolic dysfunction.
Biography

Fabiola Sozzi works as a staff cardiologist at the University Hospital Policlinico of Milan, Italy, with high-specialization nomination. She has high skills in multimodality imaging of heart disease using echocardiography integrated with cardiac magnetic resonance imaging, cardiac computed tomography and nuclear. She also works in the acute clinical setting treating acute cardiac syndromes. She gained a high expertise in echocardiography at the Thoraxcentre of Rotterdam (NL), where she defended the PhD thesis on stress cardiac imaging under the supervision of Professor J. Roelandt. She is Visiting Professor at the University of Milan where she leads several research projects and teaches at the Faculty of Medicine and School of Specialization of Cardiology. She is author of 70 papers published in indexed peer-reviewed international journals and reviewer of several medical international journals.

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