Children's preoperative stress according to the parental presence evaluated by salivary cortisol and mYPAS: quasi-randomized trial.

Objective: The main objective of this study was to compare stress and anxiety levels in children undergoing surgical procedures with or without parental presence at induction of anesthesia by measuring salivary cortisol levels and applying the mYPAS.

Method: Quasi-randomized trial with children aged 5-12 year, with ASA physical status I, II, or III, undergoing elective surgery. According to parents' willingness, the pair were defined as accompanied or unaccompanied group.

Implementation of a surgical screening system for urgent and emergent cases in a tertiary hospital.

Objective: to evaluate the applicability of the "Timing of Acute Care Surgery" (TACS) color classification system in a tertiary public hospital of a developing country.

Methods: we conducted a longitudinal, retrospective study in a single center, from March to August 2016 and the same period in 2017. We opted for the selection of four surgical specialties with high demand for emergencies, previously trained on the TACS system.