Browsing by Author "Fonseca, A."
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- Motion correction software in Myocardial Perfusion Imaging: is it useful?Publication . Cunha, L.; Lamego, J.; Ferreira, S.; Lemos, Joana; Vieira, Domingos; Fonseca, A.; Pires, L.; Neves, D.; João, M. Faria; Pereira, L.; Moreira, A. S.; Metelo, Luís FranciscoMyocardial Perfusion Imaging (MPI) is a very important tool in the assessment of Coronary Artery Disease (CAD) patients and worldwide data demonstrate an increasingly wider use and clinical acceptance. Nevertheless, it is a complex process and it is quite vulnerable concerning the amount and type of possible artefacts, some of them affecting seriously the overall quality and the clinical utility of the obtained data.
- Parameters optimization of filtered back projection in Myocardial Perfusion Imaging reconstructionPublication . Metelo, Luís Francisco; Cunha, L.; Vieira, Domingos; Fonseca, A.; Tavares, A.; Soares, S.; Amorim, I.; Castro, R.; Abrantes, A. M.; Botelho, M. F.Nowadays, even if it is noticed an increasingly wider use of Iterative Methods (IM), a significant number of NM Departments is still routinely using Filtered Backprojection (FBP) as the method of choice in what concerns image processing in MPI. Several authors recommend the use of same filter parameters, no matter what the patient physical characteristics are.
- Study of the influence of patient hydration in bone ScintigraphyPublication . Ferreira, S.; Cunha, L.; Fonseca, A.; Vieira, Domingos; Lemos, Joana; Matias, M.; Osorio, S.; Soares, S.; Silva, J. A.; Amorim, M. I.; Castro, R.; Metelo, Luís FranciscoBone Scintigraphy is a noninvasive and very sensitive Nuclear Medicine diagnostic method in detecting early bone lesions. Between the important technical details to consider when dealing with patient preparation there is the hydration level.