围手术期处理的目的是为患者手术作好充分准备和促进术后康复,是保障医疗安全的重要手段。其中,小儿择期手术围手术期醛固酮、肾上腺素的变化,可以反映小儿手术前、后肾上腺皮、髓质激素的水平。血浆中醛固酮含量的变化可反映伤害性刺激对机体的影响,血浆中肾上腺素的水平则反 The purpose of perioperative management is to fully prepare the patient for surgery and promote postoperative recovery, which is an important means to ensure medical safety. Among them, the perioperative changes of aldosterone and epinephrine in children undergoing elective surgery can reflect the level of adrenal glands and medulla hormones in children before and after surgery. Changes in plasma aldosterone content can reflect the impact of noxious stimuli on the body, the level of plasma adrenaline is anti