butorphanol group:intravenous butorphanol

3 trials

Sponsors

Affiliated Hospital of Xuzhou Medical University, Affilicated Hospital of Xuzhou Medical University, The Affiliated Hospital of Xuzhou Medical University

Conditions

Postoperative Cognitive Dysfunctionlung protection

Early Phase 1

The protective effects of butorphanol on pulmonary function of obese patients undergoing laparoscopic bariatric surgery: a randomized controlled trial.

Active, not recruitingChiCTR1900021828

Affiliated Hospital of Xuzhou Medical Universitylung protection

Start: 2019-06-01Updated: 2020-05-04

Effect of Butorphanol on early postoperative cognitive impairment in elderly patients undergoing hip arthroplasty

RecruitingChiCTR2000039937

Affilicated Hospital of Xuzhou Medical UniversityPostoperative Cognitive Dysfunction

Start: 2021-11-20Updated: 2021-02-22

The protective effects of butorphanol on pulmonary function in patients at intermediate to high risk of postoperative pulmonary complications

Active, not recruitingChiCTR2100050312

The Affiliated Hospital of Xuzhou Medical Universitylung protection

Start: 2021-09-01Updated: 2022-04-25