Effects of Remimazolam and Ciprofol TIVA on PRAE in Pediatric Tonsillectomy and Adenoidectomy

Inclusion Criteria: * Aged 2-12 years * ASA physical status I-II * Body mass index (BMI): 14-28 kg/m² * Scheduled for elective tonsillectomy with or without adenoidectomy * Signed informed consent by legal guardian(s) and assent by children (≥8 years old) Exclusion Criteria: * History of severe pulmonary diseases (e.g., asthma, bronchiectasis, severe OSA) * Previous episodes of significant PRAEs * Documented drug allergies (e.g., to remimazolam, propofol, or ciprofol) * Comorbidities including: Uncorrected congenital heart disease, neuromuscular disorders, Developmental delay, Abnormal hepatic/renal function * Preoperative moderate-to-severe respiratory infections requiring surgery postponement * Recent participation in other clinical trials