本随机对照试验旨在比较 6% 对比 8% sevoflurane 吸入诱导于接受小型眼科手术的小儿患者中的有效性与安全性。主要结局为使用小儿麻醉苏醒期谵妄（PAED）量表评估的苏醒期躁动。次要结局包括血流动力学参数、诱导时间、恢复时间及不良事件。
适应症：Chalazion
入组条件
纳入标准
- Children aged 1 to 6 years (12-72 months)
- Scheduled to undergo minor ophthalmic surgery (e.g., chalazion excision) under general anesthesia
- American Society of Anesthesiologists (ASA) physical status I
- Assessed as suitable for inhalation anesthesia by anesthesiologists
- Written informed consent obtained from parents or legal guardians
排除标准
- ASA physical status II or higher
- Known hepatic or renal dysfunction
- Congenital heart disease
- History of malignant hyperthermia
- Known allergy to sevoflurane
- History of asthma or severe respiratory disease
- Upper respiratory tract infection within the past 4 weeks
- Anticipated difficult airway
- Refusal of participation by parents or legal guardians
入组条件维持 ClinicalTrials.gov 原始英文登记资料，实际入组资格以研究团队的正式评估与受试者知情同意书为准。资料来源：ClinicalTrials.gov，每两周自动更新，最后同步：2026年10月8日。