25 research outputs found

    Transapical off-pump mitral valve repair with Neochord Implantation (TOP-MINI): step-by-step guide

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    open10openColli, Andrea; Zucchetta, Fabio; Torregrossa, Gianluca; Manzan, Erica; Bizzotto, Eleonora; Besola, Laura; Bellu, Roberto; Sarais, Cristiano; Pittarello, Demetrio; Gerosa, GinoColli, Andrea; Zucchetta, Fabio; Torregrossa, Gianluca; Manzan, Erica; Bizzotto, Eleonora; Besola, Laura; Bellu, Roberto; Sarais, Cristiano; Pittarello, Demetrio; Gerosa, Gin

    Socializing One Health: an innovative strategy to investigate social and behavioral risks of emerging viral threats

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    In an effort to strengthen global capacity to prevent, detect, and control infectious diseases in animals and people, the United States Agency for International Development’s (USAID) Emerging Pandemic Threats (EPT) PREDICT project funded development of regional, national, and local One Health capacities for early disease detection, rapid response, disease control, and risk reduction. From the outset, the EPT approach was inclusive of social science research methods designed to understand the contexts and behaviors of communities living and working at human-animal-environment interfaces considered high-risk for virus emergence. Using qualitative and quantitative approaches, PREDICT behavioral research aimed to identify and assess a range of socio-cultural behaviors that could be influential in zoonotic disease emergence, amplification, and transmission. This broad approach to behavioral risk characterization enabled us to identify and characterize human activities that could be linked to the transmission dynamics of new and emerging viruses. This paper provides a discussion of implementation of a social science approach within a zoonotic surveillance framework. We conducted in-depth ethnographic interviews and focus groups to better understand the individual- and community-level knowledge, attitudes, and practices that potentially put participants at risk for zoonotic disease transmission from the animals they live and work with, across 6 interface domains. When we asked highly-exposed individuals (ie. bushmeat hunters, wildlife or guano farmers) about the risk they perceived in their occupational activities, most did not perceive it to be risky, whether because it was normalized by years (or generations) of doing such an activity, or due to lack of information about potential risks. Integrating the social sciences allows investigations of the specific human activities that are hypothesized to drive disease emergence, amplification, and transmission, in order to better substantiate behavioral disease drivers, along with the social dimensions of infection and transmission dynamics. Understanding these dynamics is critical to achieving health security--the protection from threats to health-- which requires investments in both collective and individual health security. Involving behavioral sciences into zoonotic disease surveillance allowed us to push toward fuller community integration and engagement and toward dialogue and implementation of recommendations for disease prevention and improved health security

    Risk stratification of severe aortic stenosis according to new guidelines: Long term outcomes

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    Background: Current ESC and ACC/AHA guidelines for the management of valvular heart disease assign a class Ia indication for aortic valve replacement (AVR) only to patients with symptomatic severe aortic valve stenosis and asymptomatic patients with depressed left ventricular ejection fraction (LVEF <50%) or positive exercise test. We examined the long-term outcomes for patients undergoing AVR for aortic stenosis over a 11-year period at our institution compared to current international guidelines for AVR. Methods: Patients who had undergone isolated AVR for severe aortic valve stenosis between January 2001 and December 2012 were selected. The population was divided into subgroups based on preoperative LVEF (< or 6550%) and on presence/absence of symptoms (NYHA =I or 65II, respectively). Results: We identified 607 patients with a median follow-up (FU) time of 5.75 years (IQR 3.24\u20138.00 years). The presence of symptoms did not have a significant impact on cardiovascular mortality (P=0.201). Patients with LVEF <50% displayed a higher long-term cardiovascular mortality rate (P=0.015). Multivariate analysis showed that preserved LVEF was a protective factor for asymptomatic patients (P=0.021), while preoperative LVEF did not affect the mortality rate in symptomatic patients (HR 0.88; 95% CI, 0.54\u20131.44). Correspondingly, asymptomatic patients with reduced LVEF were found to be at a higher risk of long-term mortality compared to the other groups (P=0.011). The only other independent risk factor for death was age (HR 6.46; 95% CI, 2.22\u201318.76). Conclusions: According to our data, current international class I indications for symptomatic patients ensure good long-term survival, while class I indications for asymptomatic patients with reduced LVEF are associated with poor long-term survival. Our results suggest that early surgery should also be considered also for asymptomatic patients with preserved LVEF, particularly in cases of very low operative risk. \ua9 Journal of Thoracic Disease. All rights reserved
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