9 research outputs found

    Mecanismo de Interacción entre la (3s)-3-Amino-1- Hidroxi-3,4-Dihidroquinolin-2-(1h)-Ona y la Quinurenina Aminotransferasa I (Kat I), por Mecánica Molecular

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    En la presente investigación, se ha querido estudiar fenómenos relacionados a la en- fermedad de la esquizofrenia, la cual afecta y afectará a un buen número de personas. Es así que se analizó la interacción de la KAT I unida a su cofactor PLP, y un fárma- co modelo. Hemos obtenido las estructuras disponibles en la literatura para la KAT I, mediante un proceso de completado de la estructura secundaria desde su infor- mación de la estructura primaria de los restos aminoacídicos del sistema. Se obtuvo las estructuras en el equilibrio del fármaco (3S)-amino-1-hidroxi-3,4-dihidroquinolin- 2(1H)-ona y la enzima KAT I (unida al cofactor), así como el sistema acoplado. Se analizó el RMSD, RMSF, Diagrama de Ramachandran, y en algún caso la naturaleza de los puentes de hidrógeno, y la conservación de la estructura secundaria durante el proceso de la dinámica molecular en toda la trayectoria. El proceso de acoplamiento fue identificado mediante un acoplamiento Docking, para su posterior estabilización mediante una simulación de dinámica molecular del mismo, logrando determinar un mínimo en la hipersuperficie de potencial para el sistema interactuante de la enzi- ma KAT I (unida a su cofactor), el cual se adhiere al fármaco (3S)-amino-1-hidroxi- 3,4-dihidroquinolin-2(1H)-ona, lo que sugiere un proceso de inhibición. Palabras clave: Esquizofrenia, bioinformática

    Prevalence, associated factors and outcomes of pressure injuries in adult intensive care unit patients: the DecubICUs study

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    Funder: European Society of Intensive Care Medicine; doi: http://dx.doi.org/10.13039/501100013347Funder: Flemish Society for Critical Care NursesAbstract: Purpose: Intensive care unit (ICU) patients are particularly susceptible to developing pressure injuries. Epidemiologic data is however unavailable. We aimed to provide an international picture of the extent of pressure injuries and factors associated with ICU-acquired pressure injuries in adult ICU patients. Methods: International 1-day point-prevalence study; follow-up for outcome assessment until hospital discharge (maximum 12 weeks). Factors associated with ICU-acquired pressure injury and hospital mortality were assessed by generalised linear mixed-effects regression analysis. Results: Data from 13,254 patients in 1117 ICUs (90 countries) revealed 6747 pressure injuries; 3997 (59.2%) were ICU-acquired. Overall prevalence was 26.6% (95% confidence interval [CI] 25.9–27.3). ICU-acquired prevalence was 16.2% (95% CI 15.6–16.8). Sacrum (37%) and heels (19.5%) were most affected. Factors independently associated with ICU-acquired pressure injuries were older age, male sex, being underweight, emergency surgery, higher Simplified Acute Physiology Score II, Braden score 3 days, comorbidities (chronic obstructive pulmonary disease, immunodeficiency), organ support (renal replacement, mechanical ventilation on ICU admission), and being in a low or lower-middle income-economy. Gradually increasing associations with mortality were identified for increasing severity of pressure injury: stage I (odds ratio [OR] 1.5; 95% CI 1.2–1.8), stage II (OR 1.6; 95% CI 1.4–1.9), and stage III or worse (OR 2.8; 95% CI 2.3–3.3). Conclusion: Pressure injuries are common in adult ICU patients. ICU-acquired pressure injuries are associated with mainly intrinsic factors and mortality. Optimal care standards, increased awareness, appropriate resource allocation, and further research into optimal prevention are pivotal to tackle this important patient safety threat

    Correction to: Prevalence, associated factors and outcomes of pressure injuries in adult intensive care unit patients: the DecubICUs study (Intensive Care Medicine, (2021), 47, 2, (160-169), 10.1007/s00134-020-06234-9)

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    The original version of this article unfortunately contained a mistake. The members of the ESICM Trials Group Collaborators were not shown in the article but only in the ESM. The full list of collaborators is shown below. The original article has been corrected
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