Francisco José González-Sánchez

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BACKGROUND Percutaneous cholecystostomy (PC) is an alternative treatment in acute cholecystitis (AC) in high-risk or elderly patients although its advantage over emergency cholecystectomy has not yet been established. STUDY DESIGN AC prospective database analysis in high-risk patients treated by PC (group 1, 29 patients) or emergency cholecystectomy(More)
Acute appendicitis is the most common surgical emergency performed by the general surgeon, specially during training, and the main reason of surgical acute abdomen in western countries (1). Stump appendicitis is a very rare complication of appendectomy and since first description, in 1945 by Rose (2), about sixty cases have been published (3). We report two(More)
In this paper output-feedback optimal predictive control based on constrained linear programming and 1-norm is studied. In particular, several practical observations regarding performance and robustness of such control systems are considered. Through these assessments, a series of modifications to the original control scheme are proposed. The resulting(More)
There is a need, in NAFLD management, to develop non-invasive methods to detect steatohepatitis (NASH) and to predict advanced fibrosis stages. We evaluated a tool based on optical analysis of liver magnetic resonance images (MRI) as biomarkers for NASH and fibrosis detection by investigating patients with biopsy-proven NAFLD who underwent magnetic(More)
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