12 documents found, page 1 of 2
Analysis of the cryptocurrency market: a network science approach
Melo, MartaThe rapid growth and increasing prominence of cryptocurrencies in the global financial market have brought new challenges in risk management and asset allocation. The high volatility and interconnectedness of digital assets make understanding risk contagion crucial for investors, portfolio managers, and regulators. Network Science provides a powerful framework for studying these interdependencies by modeling re...
One Year of COVID-19 in Pregnancy: A National Wide Collaborative Study
Borges Charepe, Nadia; Queirós, Alexandra; Alves, Maria José; Serrano, Fátima; Ferreira, Catarina; Gamito, Mariana; Smet, Carolina; Silva, VanessaIntroduction: Even though the risk of COVID-19 in pregnancy may be increased, large-scale studies are needed to better understand the impact of the infection in this population. The aim of this study is to describe obstetric complications and the rate of vertical transmission in pregnant women with SARS-CoV-2 infection.Material and Methods: Detected cases of SARS-CoV-2 infection in pregnancy were registered in ...
Osseous and osteocutaneous free flaps in head and neck reconstructive surgery -...
Melo, Marta; Mariano, Marta; Pereira, Susana; Castelhano, Luís; Pacheco, Ricardo; Montalvão, Pedro; Magalhães, MiguelObjectives: Evaluate the surgical success and complications of bone and osteocutaneous free flaps.Study design: Retrospective. Material e Methods: Analysis of all bone and osteocutaneous free flaps performed at the Otorhinolaryngology department of IPOLFG, between 2015 and 2020. Results: Sixteen patients were evaluated, with a mean age of 50.3±17.4 years and 62.5% male. Nine free flaps from the fibula and seven...
Sentinel lymph node biopsy in squamous cell carcinoma of the tongue
Mariano, Marta; Castelhano, Luís; Melo, Marta; Pereira, Susana; Oliveira, Luís; Montalvão, Pedro; Magalhães, MiguelObjective: Reporting the performance of sentinel lymph node biopsy (SLNB) in patients with squamous cell carcinoma (SCC) of the tongue. Study design: Retrospective observational study. Material and Methods: Clinical records from patients with SCC of the tongue cT1-2N0 submitted to SLNB were analysed. A sample of 23 patients was obtained. The gold standard for diagnosing lymph node metastasis was the h...
Chronic otitis media: association between computed tomography and intraoperativ...
Antunes, Joselina; Melo, Marta; Carvalho, Liliana; Adónis, Cristina; Freire, FilipeObjectives: Determine computed tomography (CT) charecteristics in chronic otitis media (COM) with or whitout cholesteatoma, and its association with intraoperative findings. Methods: Observational study that included patients followed in Professor Doutor Fernando Fonseca Hospital, between 2011 and 2020. COM diagnosis was made based in medical history and phisical examination, confirmed with ear surgery. All pat...
Pulmonary Tuberculosis: A Diagnostic and Management Challenge in Pregnancy
Silva, Rita; Tavares, Madalena; Melo, Marta; Ribeiro, Andreia; Ambrósio, Paula; Tapadinhas, PaulaA tuberculose é uma doença infecciosa cuja prevalência tem vindo a diminuir significativamente em Portugal. Dos doentes infetados, apenas 10% desenvolverão a doença, sendo este risco superior em populações imunocomprometidas. Os autores descrevem um caso de uma grávida, previamente saudável e sem contexto epidemiológico, cujo diagnóstico de tuberculose foi estabelecido às 32 semanas de gestação, após ter inicia...
Pulmonary Tuberculosis: A Diagnostic and Management Challenge in Pregnancy
Silva, ita; Tavares, Madalena; Melo, Marta; Ribeiro, Andreia; Ambrósio, Paula; Tapadinhas, PaulaTuberculosis is an infectious disease whose prevalence has been decreasing significantly in Portugal. Of the infected patients, only 10% will develop the disease, and this risk is higher in immunocompromised populations. The authors describe a case of a pregnant woman, previously healthy and without epidemiological context, whose diagnosis of tuberculosis was established at 32 weeks of gestation, after having s...
Incidental mastoid opacification on computed tomography in pediatric age
O'Neill Mendes, Nuno; Melo, Marta; Rito, João; Órfão, João; Rocha, Gustavo; Guimarães, Ana; Freire, FilipeObjectives: To determine the prevalence of incidental mastoid opacification (OIM) in a pediatric population from one hospital. Verify the events that led to otolaryngology consultation and to ascertain occurrence of ear disease. Study design: Retrospective study Material & methods: We analysed the computed tomography scans (head, paranasal sinus, temporal bone) performed across 2 years in individuals <18...
Total glossectomy in the organ preservation era - Functional outcomes and survival
Pereira, Susana; Fino, Rui; Montalvão, Pedro; Mariano, Marta; Melo, Marta; Castelhano, Luís; Magalhães, MiguelAims: Evaluation of patients undergoing total glossectomy (GT). Material and Methods: Retrospective study that included patients undergoing GT between 2009 and 2018 at the Otorhinolaryngology Service of IPOLFG. Results: 27 patients were included. The vast majority of patients (78%) had advanced tumor (stage IV). GT was performed as a salvage treatment in 56% of cases. The reconstruction was mostly performed usi...
Primary external auditory canal cholesteatoma: Pediatric case report
Melo, Marta; Órfão, João; Rito, João; Cardoso, Marta; Freire, FilipeCase report of a 12 year old female child, with complaints of otalgia and left ear otorrhea with 3 months of evolution. Physical examination revealed a polypoid lesion that completely obliterated the external auditory canal (EAC). Computed tomography of the ear showed an extensive soft tissue mass, which occupied and enlarged the EAC, with remodeling and erosion of the walls, aspects compatible with external au...