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The lower thoracic paravertebral block via the medial arcuate ligament under direct retroperitoneal laporascopic visualization for the postoperative analgesia of nephrectomy: a randomised and control study

The lower thoracic paravertebral block via the medial arcuate ligament under direct retroperitoneal laporascopic visualization for the postoperative analgesia of nephrectomy: a randomised and control study

Status
Recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2000035812
Enrollment
Unknown
Registered
2020-08-17
Start date
2020-08-18
Completion date
Unknown
Last updated
2020-08-24

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

Conditions

regional block

Interventions

Group I:intraoperative injection of ropivacaine
Group II:intraoperative injection of saline

Sponsors

Beijing Chaoyang Hospital, Capital Medical Univeristy
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. ASA I-III; 2. Abdominal or hip surgery; 3. With normal liver or renal function.

Exclusion criteria

Exclusion criteria: 1. Infection in the puncture site; 2. Upon anti-coagulation; 3. Allergy to local anesthetics; 4. With severe cardiovascular disease, blood diseases; 5. Alcohol abuse.

Design outcomes

Primary

MeasureTime frame
the postoperative sufentanil consumption in the first 24 h;—

Secondary

MeasureTime frame
postoperative pain intensity at rest at 1,6, 12, and 24h;postoperative pain intensity on movement at 1,6,12, and 24h;postoperative rescue analgesic in the 24 h;postoperative nausea and vomiting;intraoperative analgesic dose;the dermatomal coverage of sensory block;—

Countries

China

Contacts

Public ContactYun Wang

Beijing Chaoyang Hospital, Capital Medical University

wangyun129@ccmu.edu.cn+86 13521611825

Outcome results

None listed

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