Different doses groups:Biased-coin Random assign different concentrations

2 trials

Sponsors

Bing-Wei Hu, Department of Anesthesiology, Guangdong Second Provincial General Hospital

Conditions

Anesthesia in hysteroscopic surgerylumbar disc disease (LDH)

Early Phase 1

Effective concentration range of epidural anesthesia for avoiding nerve damage during percutaneous endoscopic transforaminal lumbar discectomy (PELD): a prospective cohort study of biased-coin design (BCD), double blindness, finding the best dose of drugs

Active, not recruitingChiCTR2000031593

Bing-Wei Hulumbar disc disease (LDH)

Start: 2020-05-01Updated: 2020-04-06

Phase 4

The effective dose of ciprofol combined with sufentanil in laryngeal mask placement during hysteroscopy with the sequential method

Active, not recruitingChiCTR2300068598

Department of Anesthesiology, Guangdong Second Provincial General HospitalAnesthesia in hysteroscopic surgery

Start: 2023-02-22Updated: 2023-05-22