A randomized controlled trial to analyze the efficacy of ultrasound-guided dorsal ramus block in spine surgery

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR1900026787

Enrollment

Unknown

Registered

2019-10-22

Start date

2019-10-22

Completion date

Unknown

Last updated

2019-10-28

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

Conditions

Spine Surgery

Interventions

experimental group:dorsal ramus block

control:general anesthesia

Eligibility

Sex/Gender

All

Age

20 Years to 70 Years

Inclusion criteria

Inclusion criteria: Subject: a total of 150 patients with ASA grade I ~ II, diagnosed with lumbar protrusion, who receive lumbar decompression and internal fixation surgery under general anesthesia at the sixth people's hospital of Shanghai. The inclusion criteria included: aged 20-70 years, BMI 18-23kg/ m2, median lumbar incision, and operation duration less than 180min.

Exclusion criteria

Exclusion criteria: Patients who refused or did not cooperate, infection, usage of anticoagulants, local anesthetic allergies, neurological disorders, and pregnant or lactating women.

Design outcomes

Primary

Measure	Time frame
consumption of opioid;threshold of MEP;amplitude of SSEP;	—

Countries

China

Contacts

Public ContactZhou Shenyuan

Shanghai Jiaotong University Affiliated Sixth People's Hospital

chblzhoushenyuan@sina.com+86 13482717355

Outcome results

None listed

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