Skip to content

Ultrasound-guided ropivacaine intertransverse process block with different concentrations in percutaneous nephrolithotomy

Ultrasound-guided ropivacaine intertransverse process block with different concentrations in percutaneous nephrolithotomy

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400082200
Enrollment
Unknown
Registered
2024-03-22
Start date
2024-03-25
Completion date
Unknown
Last updated
2024-03-25

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

Conditions

Kidney stone

Interventions

0.25% ropivacaine group:Ultrasound-guided 0.25% ropivacaine intertransverse process block
0.375% ropivacaine group:Ultrasound-guided 0.375% ropivacaine intertransverse process block
0.5% ropivacaine group:Ultrasound-guided 0.5% ropivacaine intertransverse process block

Sponsors

The First Affiliated Hospital of Gannan Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: (1) American society of Aneshesiologists physical status classification system I-II; (2) Aged 18-65 years; (3) Patients who underwent percutaneous nephrolithotomy in our hospital; (4) Cognitive function is good and there is no contraindication to surgery. (5) Able to understand the content of the assessment; (6) BMI 18.5-28 kg/m² (7) Complete clinical information, informed consent from patients and their families, and signed consent forms for surgery and anesthesia.

Exclusion criteria

Exclusion criteria: (1) Patients with a history of mental illness; (2) Patients who have used narcotic and non-narcotic analgesic drugs within 24 hours prior to surgery, patients with chronic pain, patients with drug and alcohol addiction; (3) Contraindications to nerve block, including but not limited to abnormal coagulation function, puncture site infection, allergy to local anesthetics; (4) Patients with severe chest wall deformity; (5) Patients who refuse.

Design outcomes

Primary

MeasureTime frame
Area under the curve of the mean VAS score at 24h postoperatively;

Secondary

MeasureTime frame
Blood pressure, heart rate, mean arterial pressure, oxygen saturation, and respiratory rate at different time points during surgery;Postoperative complication rate (including but not limited to nausea, vomiting, pneumothorax, bleeding, and hemodynamic instability);One-time stone removal rate;Total intraoperative and postoperative opioid consumption;Time of patient's first self-administration of PICA;Intraoperative bleeding;Intraoperative decrease in hemoglobin;Time required for block to complete;Size and location of stones;Surgery time;Blood transfusion rate;Time of first movement out of bed, time of first defecation, time of first eating;Days from surgery to discharge;Satisfaction of surgeons and patients;

Countries

China

Contacts

Public ContactZhan Lifang

The First Affiliated Hospital of Gannan Medical University

zhanlifangzouping@163.com+86 158 7973 1530

Outcome results

None listed

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