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The effect of ultrasound-guided paravertebral nerve block on chronic pain after unilateral thoracotomy or thoracoscopic surgery-A prospective cohort study

The effect of ultrasound-guided paravertebral nerve block on chronic pain after unilateral thoracotomy or thoracoscopic surgery-A prospective cohort study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1800017073
Enrollment
Unknown
Registered
2018-07-10
Start date
2018-07-11
Completion date
Unknown
Last updated
2018-07-16

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

Conditions

postoperative chronic pain

Interventions

experience group:Preoperatively single paravertebral nerve block
control group:there is no paravertebral block was performed before surgery

Sponsors

The First Affiliated Hospital of Zhengzhou University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients with unilateral thoracoscopy or thoracotomy in the First Affiliated Hospital of Zhengzhou University were selected.

Exclusion criteria

Exclusion criteria: 1. The age less than 18 years; 2. History of thoracic surgery; 3. History of chronic pain in the chest; 4. History of neuropathic pain; 5. Surgical site infection; 6. Tumor recurrence; 7. Emergency operation; 8. Deaf-mute; 9. History of mental illness.

Design outcomes

Primary

MeasureTime frame
The incidence of chronic pain 3 and 6 months after operation;—

Secondary

MeasureTime frame
VAS score of 1 to 3 days after operation;Complications of paravertebral block;—

Countries

China

Contacts

Public ContactZhang Wei

The First Affiliated Hospital of Zhengzhou University

zhangw571012@126.com+86 13673996966

Outcome results

None listed

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