Publications by authors named "Filippo Trevisan"

Background: Measures of global left ventricular (LV) systolic function have limitations for the prediction of post-infarct LV remodeling (LVR). Therefore, we tested the association between a new measure of regional LV systolic function—the percentage of severely altered strain (%SAS)- and LVR after acute ST-elevation myocardial infarction (STEMI). As a secondary objective, we also evaluated the association between %SAS and clinical events during follow-up.

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Background: Whereas dependency of left ventricular outflow tract diameter (LVOTD) from body surface area (BSA) has been established and a BSA-based LVOTD formula has been derived, the relationship between LVOTD and aortic root and LV dimensions has never been explored. This may have implications for evaluation of LV output in heart failure (HF) and aortic stenosis (AS) severity.

Methods: A cohort of 540 HF patients who underwent transthoracic echocardiography was divided in a derivation and validation subgroup.

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Aims: Right ventricle-pulmonary artery coupling (RVPAC) has emerged from pathophysiology to clinical interest for prognostic implication in heart failure and is commonly measured as the ratio between tricuspid annular plane systolic excursion and systolic pulmonary artery pressure (TAPSE/SPAP). However, feasibility of SPAP is limited (down to 60% in trials, and maybe lower in clinical practice). We ought to assess the prognostic value of the TAPSE times pulmonary acceleration time (TAPSE x pACT) product and TAPSE to peak tricuspid regurgitation velocity (TAPSE/TRV) ratio as new alternative measures of RVPAC.

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Purpose Of Review: The aim of this review is to summarily explain what LV synchrony, coordination, myocardial work, and flow dynamics are, trying to clarify their advantages and limitations in the treatment of heart failure patients undergoing or with implanted cardiac resynchronization therapy (CRT).

Recent Findings: CRT is an established treatment for patients with heart failure and left ventricular systolic dysfunction. In the current guidelines, CRT implant indications rely only on electrical dyssynchrony, but in the last years, many aspects of cardiac mechanics (including contractile synchrony, coordination, propagation, and myocardial work) and flow dynamics have been studied using echocardiographic techniques to better characterize patients undergoing or with implanted CRT.

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Background: In a significant proportion of patients with left-sided heart failure (HF), left ventricular filling pressure (LVFP) may not be estimated using echocardiography, so filling pressure status may remain indeterminate. In these patients, mean right atrial pressure (mRAP) has been suggested as a surrogate of LVFP. The aim of this study was to determine whether high mRAP has prognostic value in patients with HF with indeterminate pressure (IP) and whether mRAP-based reclassification of patients with IP has an impact on outcomes.

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Assessment of left ventricular (LV) output in hospitalized patients with heart failure (HF) is important to determine prognosis. Although echocardiographic LV ejection fraction (EF) is generally used to this purpose, its prognostic value is limited. In this investigation LV-EF was compared with other echocardiographic per-beat measures of LV output, including non-indexed stroke volume (SV), SV index (SVI), stroke distance (SD), ejection time (ET), and flow rate (FR), to determine the best predictor of all-cause mortality in patients hospitalized with HF.

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Background: Low flow (LF) in heart failure with preserved ejection fraction (HFpEF) is a paradox but is associated with worse prognosis. Determinants of LF in HFpEF have not been clarified but their assessment could corroborate recognition and definition of such a paradoxical condition.

Methods: A cohort of 193 patients hospitalized with HFpEF was retrospectively studied and divided in a group with LF (N = 45), defined by a left ventricular (LV) stroke volume index (SVI) < 30 ml/m, and a group with normal flow (N = 148).

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Background: Although in clinical practice heart failure (HF) patients are classified using left ventricular ejection fraction (LVEF), this categorization is insufficient for prognosis, especially when LVEF is preserved or there is a concomitant right ventricular (RV) dysfunction. We hypothesized that a combined noninvasive evaluation of LV forward flow, filling pressure, and RV function would be better than LVEF in predicting all-cause mortality of hospitalized patients with HF.

Methods: Transthoracic echocardiographic examinations of 603 patients hospitalized with HF were analyzed.

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Background: Left ventricular (LV) output is a predictor of adverse outcome in patients with heart failure. It can be evaluated using a per-beat approach, measuring stroke volume index (SVI), or a per-minute approach, calculating cardiac index (CI). However, the prognostic value of these two approaches has never been compared.

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The presence of secondary mitral regurgitation is an unfavorable prognostic factor in patients with chronic ischemic heart disease. This type of regurgitation can be treated with medical therapy, cardiac resynchronization therapy, surgically or percutaneously but each strategy has controversial aspects. The purpose of this review is to discuss the most debated issues relative to the various modalities available to treat ischemic secondary mitral regurgitation, highlighting also future perspectives.

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Echocardiography is an imaging technique of paramount importance for the management of patients with ST-elevation myocardial infarction. In particular, this technique may be useful for diagnosis and is essential for prognosis and to guide drug therapy. The role in the recognition of mechanical complications and in the identification and management of other complications such as pericarditis and left ventricular thrombosis is also crucial.

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Echocardiography is the most commonly used technique for evaluating patients with mitral regurgitation (MR) and estimating MR severity. However, in clinical practice, echocardiographic assessment of MR severity remains challenging in many cases, particularly in patients with forms of intermediate or borderline severity. The main causes are the improper application of the echocardiographic methods for assessment of MR severity and the lack of a validated standardized approach for quantification of various types of MR, including organic and functional MR.

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In patients undergoing cardiac device implantation, anticoagulant and antiplatelet therapy are associated with an increased risk of pocket hematoma. In case of vitamin K antagonist therapy, a strategy of continued warfarin with no heparin bridge showed a reduction of pocket hematoma. Evidence regarding antiplatelet therapy management is limited.

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Objective: Concerns exist that e-cigarettes may be a gateway to traditional cigarettes and/or (re)normalise teenage smoking. This qualitative study explores how teenagers in the UK currently perceive e-cigarettes and how and why they do or do not use them.

Design: 16 focus groups were conducted across the UK between November 2014 and February 2015, with 83 teenagers aged 14-17.

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Implantable cardioverter defibrillator (ICD) is the cornerstone of primary and secondary prevention of sudden cardiac death. In 35 years of technologic improvement and clinical trials, there has been a continuous increase in implantation rate. Purpose of this review is to point out and discuss every aspect related to actual ICD management, investigating implantation procedure and predischarge care, office and remote monitoring follow-up, diagnostic evaluations, management of patients with suspected therapies or malfunctions, heart failure, surgery, radiotherapy and endoscopic procedures.

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Background: Frailty has become a high-priority issue in cardiovascular medicine because of the aging of cardiovascular patients. Simple and reproducible tools to assess frailty in elderly patients are clearly on demand. Their application may help physicians in the selection of invasive and medical treatments and in the timing and modality of the follow-up.

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Background And Aims: Regulation of electronic cigarettes has moved to the top of the addiction policy agenda, as demonstrated by the recent focus across the United Kingdom on introducing age-of-sale restrictions. However, the views of those affected by such regulation remain largely unexplored. This paper presents the first detailed qualitative exploration of adolescents' perceptions of existing, and opinions about potential e-cigarette regulation.

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