Intraoperative Hypoxemia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. American Society of Anesthesiologists (ASA) physical status classification II-III; 2. Age 60-80 years; 3.Body Mass Index (BMI) 18-28 kg/m^2; 4.Patients undergoing painless bronchoscopy; 5.Voluntary participation in the trial with signed informed consent.
Exclusion criteria
Exclusion criteria: 1.Complicated with severe cardiac, hepatic, or renal diseases; 2.Difficult airway management due to severe facial deformity, temporomandibular joint ankylosis, ankylosing spondylitis, etc.; 3.Nasal polyps, nasal bleeding or bleeding tendency, nasal trauma, nasal deformity, obvious nasal septum deviation, or previous nasal surgery (septoplasty, turbinectomy); 4.Abnormal coagulation mechanism, skull base fracture, cerebrospinal fluid otorrhea or rhinorrhea; 5.Vomiting, regurgitation, aspiration, or high risk thereof, such as non-fasting, full stomach, intestinal obstruction, hiatal hernia; 6.Severe allergy history or psychiatric disorders preventing cooperation with anesthesia; 7.Lack of autonomous consciousness or decision-making capacity; 8.Currently enrolled in other interventional clinical trials.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Hypoxic event; | — |
Secondary
| Measure | Time frame |
|---|---|
| Arterial blood gas at patient admission and at the end of the procedure;The occurrence of adverse events within 24 hours after surgery, such as nausea, vomiting, dizziness, nosebleeds, etc.;The total dose of sedative drugs;The incidence of adverse events such as hypercapnia, reflux aspiration, epistaxis, and the number of interruptions during examination.;After the surgery, investigate the satisfaction of the patient and the endoscopist;Check-in time, awakening time, stay time in the recovery room; | — |
Countries
China
Contacts
Lishui Central Hospital