respiratory depression
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients aged 18-75 years, with ASA1-3, who were to undergo painless hysteroscopy
Exclusion criteria
Exclusion criteria: Pregnant women, patients with allergic history to study drugs, patients who used sedative or analgesic drugs before surgery, patients with perioperative cognitive dysfunction, patients with preoperative systemic diseases such as severe circulatory and respiratory diseases, patients with ASA grade 4, patients with difficult airway (e.g., BMI > 30Kg/m2, OASA patients, mouth opening < 4cm, etc.) Mallampati=3), patients with maxillofacial trauma or surgery history, severe anemia or peripheral vascular disease, and patients with pacemaker implantation who underwent treatment for more than 30 minutes
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| spo2; | — |
Secondary
| Measure | Time frame |
|---|---|
| Index of capnography;BIS;The time from induction to the emergence of apnea;The duration of apnea;stop bang score;NoSAS score;breath holding time;Noninvasive tidal volume; | — |
Countries
China
Contacts
The Third Affiliated Hospital of Sun Yat-Sen University