Objective: To investigate the efficacy and safety of non-intubation deep paralysis anesthesia with nasal high-flow oxygen therapy (H-NIDP) in tuberculosis patients undergoing fiberoptic bronchoscopy. Methods: Pulmonary tuberculosis patients aged 18-64 years, BMI 18.5-25.0 kg/m2, ASA physical status Ⅰ-Ⅱ scheduled for painless fiberoptic bronchoscopy were randomly assigned to H-NIDP group (group H) or conventional intravenous anesthesia group (group C). Group H received H-NIDP anesthesia, with high-flow oxygen therapy and rocuronium 0.6 mg/kg administered after loss of consciousness. Group C received conventional intravenous anesthesia with nasal cannula oxygen. The primary outcome was the incidence of intraoperative hypoxemia (SpO2 < 90%). Secondary outcomes included the preoperative and post-anesthesia PaCO2 levels, the intraoperative choking cough score, and HR, MAP, and SpO2 before anesthesia induction for 5 minutes, immediately after the insertion of the fiberoptic bronchoscope, when the fiberoptic bronchoscope reached the carina, when it was withdrawn, and after anesthesia recovery, propofol and remifentanil consumption, procedure and recovery times, operator/patient satisfaction, and occurrence of adverse reactions such as intraoperative hypertension, hypotension, body movement, tachycardia, bradycardia, and postoperative sore throat, nausea, and vomiting. Results: Sixty patients were included and allocated, 30 patients in each group. Compared to group C, group H had significantly lower incidences of hypoxemia and cough, shorter procedure and operating room times, reduced rates of hypertension, movement, tachycardia, and postoperative sore throat, and higher operator satisfaction (P < 0.05). No significant differences were observed in preoperative PaCO2, propofol/remifentanil use, patient satisfaction, hypotension, bradycardia, or postoperative nausea/vomiting. Conclusion: H-NIDP anesthesia in tuberculosis patients undergoing fiberoptic bronchoscopy significantly reduces hypoxemia, suppresses cough, and improves operator satisfaction with fewer adverse events compared to conventional intravenous anesthesia. |