Browsing by Author "Moreira, Ana"
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- Brain stem ischemia in a boy with resistance to C activated protein and raised lipoprotein (A)Publication . Barreirinho, Maria Sameiro; Costa, Elísio; Moreira, Ana; Barbot, José; Barbot, Clara; Santos, ManuelaLa resistencia a la proteína C activada es la alteración hereditaria de la coagulación más frecuente. La mayoría de los casos resulta de la mutación Arg506®Gln en el gen del factor V, y se caracteriza por una respuesta reducida a la acción anticoagulante de la proteína C activada. Caso clínico. Descibimos el caso de un niño de 6 años, obeso, con hemiparesia derecha de instalación súbita por infarto en la hemiprotuberancia izquierda. La investigación adicional reveló resistencia a la proteína C activada debida a la heterocigosis para el factor V de Leiden, igualmente identificada en la madre, y la lipoproteína (a) aumentada. Se determinó profilaxis con ácido acetilsalicílico. La evolución fue favorable. Conclusiones. En ausencia de otros factores de riesgo para la trombofilia, esta mutación es generalmente asintomática en la infancia. La principal manifestación clínica es el tromboembolismo venoso y estudios recientes lo consideran un factor de riesgo para la trombosis arterial y el accidente cerebrovascular en niños. Consideramos importante una evaluación sistemática de la etiología y factores de riesgo en los casos de accidente cerebrovascular en la infancia
- The impact of digital influencers on product/service purchase decision making—An exploratory case study of Portuguese peoplePublication . Caiado, Fábio; Fonseca, Joana; Silva, Joana; Neves, Soraia; Moreira, Ana; Gonçalves, Ramiro; Martins, José; Branco, Frederico; Au‐Yong‐Oliveira, ManuelThe growing use of technology and social media has resulted in the emergence of digital influencers, a new profession capable of changing the mentalities and behaviours of those who follow them. This study arises to better understand the potential impact digital influencers might have on the Portuguese population's purchase behaviour and patterns, and for this purpose, seven hypotheses were formulated. An online questionnaire was conducted to respond to these theoretical assumptions and collected data from 175 respondents. A total of 129 valid answers were considered. It was possible to conclude that purchase intention does not necessarily translate into a purchase action. It was also concluded that the relationship between social network use and the purchase of products/services recommended by influencers is only statistically significant for Instagram. Furthermore, the individuals' generation is not statistically significant / linked with purchasing a product/service recommended by influencers. Yet further, a small percentage of respondents have also identified themselves as impulsive shoppers and perceived Instagram as their favourite social network. With the results of this study, it is also possible to state that the influencer's opinion was classified as the last factor considered in the purchase decision process. Additionally, there is a weak negative association between purchasing a product/ service recommended by influencers with sponsorship disclosure and remunerated partnership, which decreases credibility and discourages purchasing, in Portugal, a feminine culture which dislikes materialism.