O lúpus eritematoso sistêmico é uma doença autoimune que envolve múltiplos sistemas orgânicos. O acometimento musculoesquelético é uma das manifestações mais comuns da doença, com envolvimento ósseo, articular, muscular, tendíneo e ligamentar, tanto primário como relacionado ao tratamento instituído. Neste artigo revisamos e ilustramos as alterações articulares e complicações musculoesqueléticas mais comuns relacionadas a esta doença.
Presently, bariatric surgery is considered the most effective treatment for reducing excess body weight and maintaining weight loss in severely obese. On the other hand, several early and late complications have been described after this procedure. This article reports two patients who developed a spondyloarthritis-like syndrome after bariatric surgery. Probable etiopathogenic mechanisms are discussed.
Monitoring of industrial plant performance and detection on flaws is important to the successful operation on industrial production units. Malfunctioning equipment can greatly impact plant performance by reducing the efficiency and increasing the production cost. Phenomenological equations cannot properly describe industrial processes. Thus, it is necessary to develop new equations for model industrial operations. The purpose of this study is to develop an empirical model for industrial demethanizer tower which is malfunctioning due to an error in the design in one of its plates. A nonlinear statistical model was designed to predict the pressure variation in the column, and consequently, the flooding conditions. This model was validated using industrial data to predict the maximum loads in the column.
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