Study on ultrasound-guided proximal parietal subpleural block in the treatment of radiofrequency ablation of liver tumors/lung tumors with intraoperative anesthesia and postoperative pain

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200062065

Enrollment

Unknown

Registered

2022-07-21

Start date

2022-08-01

Completion date

Unknown

Last updated

2023-04-03

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

Conditions

lung cancer and hepatocarcinoma

Interventions

1:Ultrasound-guided proximal sub-parietal subpleural block 0.375% ropivacaine injection 10 ml

2:Ultrasound-guided proximal sub-parietal subpleural block 0.375% ropivacaine injection 20 ml

3:Ultrasound-guided proximal sub-parietal subpleural block 0.375% ropivacaine injection 30 ml

4:Ultrasound-guided proximal sub-parietal subpleural block 0.375% ropivacaine injection 40 ml

5:Local anesthesia group

6:Intravenous general anesthesia group

Eligibility

Sex/Gender

All

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: Patients with radiofrequency ablation of liver tumors or lung tumors under CT-induced = 18 years of age, ASA grades I.-III

Exclusion criteria

Exclusion criteria: Hypersensitivity to narcotic drugs, long-term use of opioids, infection at the site of puncture, difficulty communicating, hypersensitivity to iodine contrast agents.

Design outcomes

Primary

Measure	Time frame
Intraoperative VAS score;	—

Secondary

Measure	Time frame
VAS score immediately after surgery;Postoperative 2hVAS score;Postoperative 12hVAS score;Postoperative 24hVAS score;VAS score 1 month after surgery;VAS score 2 months after surgery;VAS score 3 months after surgery;Postoperative analgesic medication remediation time and dosage;Intraoperative sedative drug remedial dose;Distance of the tumor from the envelope;	—

Countries

China

Contacts

Public ContactYong Ni

The Second Affiliated Hospital of Soochow University

niyong2148@163.com+86 13771719242

Outcome results

None listed

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