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Objectives: to validate the content and appearance of a booklet to promote the health of people with diabetes mellitus in the face of COVID-19., Methods: a methodological study, carried out in a virtual environment with experts who had practical and scientific experience in diabetes mellitus, from November 2021 to February 2022. Data were analyzed using the Content Validity Ratio., Results: twenty-seven experts from different states of Brazil and with different academic backgrounds participated in the study. In content validity, reviews were suggested in items in relation to objectives and structure, in appearance validity, adjustments in layout were suggested., Conclusions: the results showed that the booklet achieved adequate content and appearance validity rates. Therefore, when adapting to experts' suggestions, it becomes an accurate tool.

Background: Adequate preoperative fasting is critical in preventing pulmonary aspiration of gastric content. We proposed to study the sonographic gastric content dynamics after the ingestion of liquid or solid food in healthy volunteers and confront it with current guidelines for preoperative fasting times., Methods: We performed a prospective, crossover, evaluator-blinded study involving 17 healthy volunteers of both sexes. Each participant fasted for 10h and was subjected to a baseline gastric ultrasound, intake of 400mL of coconut water or a 145g, 355kcal meat sandwich, and sonographic gastric evaluations after 10min and every hour until the stomach was completely empty., Results: At baseline, all subjects had an empty stomach. At 10min, gastric content [mean + standard deviation (SD)] was 240.4 + 69.3 and 248.2 + 119.2mL for liquid and solid foods, respectively (p>0.05). Mean + SD gastric emptying times were 2.5 + 0.7 and 4.5 + 0.9h for liquid and solid foods, respectively (p<0.001). For the drink, the stomach was completely empty in 59% and 100% of the subjects after two and four hours, and for the sandwich, 65% and 100% of the subjects after four and seven hours, respectively., Conclusions: Sonographic gastric dynamics for coconut water and a meat sandwich resulted in complete gastric emptying times higher and lower, respectively, than those suggested by current guidelines for preoperative fasting., (Copyright © 2018. Publicado por Elsevier Editora Ltda.)