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Study for Ropivacaine for the Minimum Effective Concentration/Volume of Sacral Canal Block Guided by Ultrasound

Study for Ropivacaine for the Minimum Effective Concentration/Volume of Sacral Canal Block Guided by Ultrasound

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900024315
Enrollment
Unknown
Registered
2019-07-06
Start date
2019-07-01
Completion date
Unknown
Last updated
2019-07-15

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

Conditions

Perianal diseases

Interventions

Male:Increase or decrease in capacity
Female:Increase or decrease in capacity

Sponsors

West China Hospital, Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18-65 years; 2. ASA grade I~III; 3. Informed consent was signed by all patients participating in the experiment.

Exclusion criteria

Exclusion criteria: 1. Taking other experimental drugs or participating in other clinical trials within 3 months before the study was selected; 2. Anesthesia and analgesia methods used in the experiment were contraindicated; 3. Patients with coagulation dysfunction or taking anticoagulants; 4. Patients with language or communication disorders; 5. No reason can cooperate with the research or the researcher considers it inappropriate to be included in this experiment; 6. Refusal to participate in the study; 7. Pregnancy and lactation; 8. Previous neurological or distinct spinal disorders; 9. Local sacrococcygeal infection; 10. History of sacrococcygeal trauma and surgery; 11. Complications with severe systemic diseases.

Design outcomes

Primary

MeasureTime frame
Incidence of painless anal passage through two transverse fingers at the beginning of surgery;

Countries

China

Contacts

Public ContactWang Rurong

West China Hospital, Sichuan University

rurongwang@foxmail.com+86 18980601563

Outcome results

None listed

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