A randomized controlled study of two dosages of sufentanil combined with bupivacaine for lumbar anesthesia in elderly patients undergoing lower extremity surgery

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000033569

Enrollment

Unknown

Registered

2020-06-05

Start date

2020-06-08

Completion date

Unknown

Last updated

2020-06-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Lower extremity surgery in elderly patients

Interventions

Experimental group:Sufentanil 5ug

Experimental group:Sufentanil 10ug

control group:Fentanyl 25ug

Eligibility

Sex/Gender

All

Age

65 Years to 90 Years

Inclusion criteria

Inclusion criteria: ASA I-III, aged >= 65 years, BMI < 30kg / m2; patients undergoing elective lower extremity surgery; reviewed by ethics committee and signed informed consent.

Exclusion criteria

Exclusion criteria: 1. Patients who are allergic to the drugs used and who use opioids within 1 week before operation; 2. Contraindications related to intraspinal anesthesia (intracranial hypertension, coagulation dysfunction, skin infection at the puncture point, etc.); 3. Those who can't cooperate with the researchers autonomously due to language, hearing impairment and cognitive impairment; and 4. Those with serious heart, lung, brain and kidney dysfunction.

Design outcomes

Primary

Measure	Time frame
Level of Sensory block;Level of motor block;	—

Countries

China

Contacts

Public ContactZhenhai Ye

Department of Anesthesiology, People's Hospital of Ningxia Hui Autonomous Region

13619506202@163.com+86 13619506202

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026