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Cardiopulmonary exercise stress testing in Portugal
Vilela, Eduardo M.; Bento, Luísa; Antunes, Alexandre; Oliveira, Luís; Mendes, Miguel; Abreu, Ana; Durazzo, Anaí; Cunha, Gonçalo; Dores, HélderIntroduction and objectives: Cardiopulmonary exercise testing (CPET) provides relevant data in several clinical contexts. Although reports highlight its application across various moments of the cardiovascular continuum, from heart failure (HF) to the assessment of athletes, its implementation has been described as suboptimal. This study aimed to assess perspectives on CPET training and usage patterns among car...
Cardiopulmonary exercise testing in clinical practice: principles, applications...
Dores, Hélder; Mendes, Miguel; Abreu, Ana; Durazzo, Anaí; Rodrigues, Cidália; Vilela, Eduardo; Cunha, Gonçalo; Gomes Pereira, José; Bento, LuísaCardiopulmonary exercise testing (CPET) provides a noninvasive and integrated assessment of the response of the respiratory, cardiovascular, and musculoskeletal systems to exercise. This information improves the diagnosis, risk stratification, and therapeutic management of several clinical conditions. Additionally, CPET is the gold standard test for cardiorespiratory fitness quantification and exercise prescrip...
Taas – ticketing as a service
Ferreira, João C.; Filipe, Porfírio; Gomes, Carina; Cunha, Gonçalo; Silva, JoãoThe goal of this research work is to introduce the concept of a lower cost flexible system for ticketing purposes implemented on a cloud platform. We propose therefore the evolution of the traditional architecture of ticketing for a cloud based architecture in which the core processes of ticketing are offered through a Software-as-a-Service (SaaS) business model, which can be subscribed by operators that pay-pe...
Cloud terminals for ticketing systems
Ferreira, João C.; Porfírio, Filipe; Cunha, Gonçalo; Silva, JoãoIn this research work, we introduce the concept of a thin device implemented on a cloud platform for terminal devices on the front end of ticketing systems. Therefore, we propose the evolution of the traditional architecture of ticketing for a cloud based architecture in which the core processes of ticketing are offered through a Software-as-a-Service (SaaS) business model, which can be subscribed by transport ...
Developing Libraries Using Software Transactional Memory
Dias, Ricardo; Lourenço, João; Cunha, GonçaloSoftware transactional memory is a promising programming model that adapts many concepts borrowed from the databases world to control concurrent accesses to main memory (RAM) locations. This paper discusses how to support apparently irreversible operations, such as memory allocation and deallocation, within software libraries that will be used in (software memory) transactional contexts, and propose a generic a...