Objetivo: el objetivo de este estudio fue evaluar la prevalencia de hipovitaminosis D en los candidatos a cirugía bariátrica (CB) y su relación con factores de riesgo y los componentes del síndrome metabólico. Material y métodos: los parámetros clínicos, antropométricos y bioquímicos se midieron en 56 pacientes caucásicos incluidos en un protocolo de cirugía bariátrica entre enero y junio de 2014. Los pacientes fueron estratificados en tres grupos de acuerdo al status de vitamina D: suficiencia (≥ 40 ng/ml), insuficiencia (40-20 ng/ml) y deficiencia (< 20 ng/ml). Resultados: se observó deficiencia de vitamina D en el 75% de los pacientes. Estos pacientes tenían mayor índice de masa corporal (p = 0,006) y concentraciones plasmáticas mas bajas de PTH (p = 0,045). Además, hubo más pacientes con diabetes mellitus tipo 2 (DM2) y dislipemia (DLPM) en el grupo con niveles de 25 (OH) D < 20 ng/ml. Asimismo la 25 (OH) D se correlacionó negativamente con la masa grasa (r =-0,504; p = 0,009), el IMC (r =-0,394; p = 0,046) y la hipertensión arterial (r =-0,637; p = 0,001). Conclusión: De nuestros hallazgos concluimos que la deficiencia de vitamina D es muy común entre los candidatos a CB y que la misma está asociada con DM2 y DLPM. Aunque hay pocos datos sobre el mejor tratamiento para el bajo nivel de vitamina D en los pacientes candidatos CB, la detección de la deficiencia de vitamina D debe realizarse de forma rutinaria en estos casos. 25-hydroxy vitamin D and syndrome metabolic components in candidates to bariatric surgery Vitamina D y componentes del síndrome metabólico en candidatos a cirugía bariátrica

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In women with osteoarthritis of the knee treated with a meal-replacement diet, there is a significant decrease in weight and fat mass with a relative increase of the latter. There is an improvement in the quality of life according to SF-36 and WOMAC. There is an independent relationship between weight loss and SF-36 improvement.

<b><i>Introduction:</i></b> Many elderly patients with COVID-19 are at risk of malnutrition. The aim of our study was to evaluate the risk of malnutrition and sarcopenia in elderly COVID-19 patients with the R-MAPP (Remote-Malnutrition APP). <b><i>Materials and Methods:</i></b> A cross-sectional study of 337 consecutive outpatients ≥65 years who attended the Central Emergency COVID-19 Hospital of Castilla y Leon was conducted. In all patients, the protocol of R-MAPP (Malnutrition Universal Screening Tool [MUST] and Simple Questionnaire to Rapidly Diagnose Sarcopenia [SARC-F]) was realized. <b><i>Results:</i></b> The mean age was 86.1 ± 8.7 years, with a sex distribution of 167 males (49.5%) and 170 females (51.5%). According to the MUST test, patients with 0 points have a low nutritional risk (<i>n</i> = 50, 14.8%), 1 point a medium nutritional risk (<i>n</i> = 19, 5.6%), and 2 or more points a high nutritional risk (<i>n</i> = 268, 79.6%). The SARC-F questionnaire generates patients with 4 or more points as predictive of sarcopenia (<i>n</i> = 304, 80.2%) and &#x3c;4 points without prediction of sarcopenia (<i>n</i> = 33, 9.8%). Global mortality was 24.03% (<i>n</i> = 81). The mortality rate was related to the pathological SARC-F score ≥4 (27.1% vs. 3.1%; <i>p</i> = 0.01) and MUST score ≥2 (26.7% vs. 16.4%; <i>p</i> = 0.04). In the logistic regression analysis, only the SARC-F score ≥4 remained as an independent variable related to mortality; odds ratio was 8.34 (95% CI: 1.1–63.8; <i>p</i> = 0.04), adjusted for age, sex, albumin levels, and MUST test. <b><i>Conclusions:</i></b> During COVID-19 infection, hospitalized patients at risk of sarcopenia have a high risk of mortality and have a poor nutritional status.

Purpose The COVID-19 pandemic could exacerbate the risk factors for weight gain in patients with previous bariatric surgery. The aim of this study was to evaluate factors related to weight gain during lockdown in patients with a sleeve gastrectomy. Materials and Methods A group of 48 obese subjects with previous bariatric surgery was enrolled. After a 7-week confinement, a telephone interview was conducted. In this phone call, self-reported body weight gain and different factors were recorded. In order to obtain the basal and pre-surgical data, biochemical and anthropometric parameters were recorded from electronic medical record. Results The mean age was 45.3±8.0 years (range: 23–61) and the mean body mass index (BMI) was 32.5±7.5 kg/m 2 (range: 28.6–34.2). Gender distribution was 38 females (79.2%) and 10 males (20.8%). The increase in self-reported body weight was 3.8±2.1 kg during the 7 weeks of confinement. And the self-reported body weight gain was lower in subjects with regular exercise (4.6±0.9 vs 1.1±0.3 kg; p =0.02). The number of face-to-face visits to the nutrition office that did not attend was 0.61±0.81 (range: 0–4) per patient. In the multiple regression analysis with self-reported body weight gain as a dependent variable, the physical activity (minutes/week) remained as a protective factor with a beta coefficient of −0.09 (95% CI: −0.001 to 0.016; p =0.03) and number of face-to-face appointments in the nutrition consultation missed as a risk factor with a beta coefficient of 9.65 (95% CI: 1.17–18.12; p =0.03). Conclusions The increase in self-reported body weight is associated with a decrease in physical activity and the loss of face-to-face visits to the Nutrition Unit.

Background: There is no established insulin regimen in T2DM patients receiving parenteral nutrition. Aims: To compare the effectiveness (metabolic control) and safety of two insulin regimens in patients with diabetes receiving TPN.

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