Gracia Sarrión Pérez

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Ulcerative colitis and Crohn’s disease are the most common forms of inflammatory bowel disease (IBD), both of unknown aetiology. These conditions are characterised by the chronic and recurrent inflammation of different parts of the gastrointestinal tract, but while in CD, chronic inflammation may affect any part of the gastrointestinal tract, in UC, mucosal(More)
Standard acquisition of MRI presents Rician statistical noise that degrades the performance of other steps of the image analysis. In this paper we present new ways to reduce the noise of brain images in the preprocessing stage. We propose a novel wavelet domain method for noise restoration based on discrete wavelet packets transform (WPT). The developed(More)
Cancer patients can suffer oral toxic effects secondary to antineoplastic therapy in the form of radiotherapy and/ or chemotherapy. This risk is conditioned by a range of factors, including the high cell turnover rate of the oral mucosa, the diversity and complexity of the oral microflora, and soft tissue trauma during normal oral function. The present(More)
Diabetes mellitus (DM) is one of the most frequent pathologies that dentists encounter, due to its high prevalence worldwide. It is diagnosed by the repeated obtaining of fasting plasma glucose levels of 126 mg/ dl or higher, or glycosylated hemoglobin of 6’5% or higher. Diabetes (especially if it is not well controlled) brings with it a greater risk of(More)
Introduction: The endocrine system is responsible for hormonal secretion and is closely related to the central nervous system, as it diversifies its functions through the hypothalamus and pituitary glands. It controls physiological processes and maintains homeostasis. The neuroendocrine system is responsible for adaptation to environmental changes.(More)
Haemostasis is a mechanism that, through different interdependent biologic processes, has the purpose of ensuring the integrity and permeability of the circulatory system. Hemostasis term means prevention the loss of blood. Interventions or treatments in the oral cavity, in particular those with a possibility of bleeding, represent a risk for patients with(More)
Many respiratory disorders can compromise routine dental care and require special treatment for the affected patients. Patients often visit the dental clinic with respiratory problems already diagnosed by other specialists. The dental professional therefore must provide correct dental care in the context of such a diagnosis. The present study offers a(More)
Introduction: Transplant is the replacement with therapeutic purposes, of organs, tissues or cellular material for others, from a donor who is usually a human, alive or dead. In recent years, transplant organs have been developed by the advances that have occurred with immunosuppressive drugs and medical-surgical technology. Due to the frequency of(More)
The presence of germs in the bloodstream is referred to as bacteremia. Blood cultures are used to identify bacteria in blood. The identification of certain virulent germs in blood (Neisseria meningitidis, Streptococcus pneumoniae, Salmonella typhi) is of diagnostic value in application to certain diseases. The difficulty arises when the microorganism(More)
A 76-year-old woman complained of abdominal pain in the right upper quadrant and fever that had been developing over the previous 10 days. On examination, she presented pain in the right upper quadrant with positive Murphy’s sign. Computed tomography showed the presence of acute cholecystitis and, as a casual finding, the presence of cholelithiasis with air(More)