Analgesic effect and drug diffusion of erector spinae plane block guided by ultrasound on preoperative puncture localization of pulmonary nodules
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients who plan to receive CT-guided pulmonary nodule puncture positioning under ESP block anesthesia; 2. ASA grade I-II; 3. Age 18-75 years; 4. Agree to participate in this clinical study and sign the informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients with contraindications to iohexol (those allergic to iohexol, patients with thyrotoxicosis, history of epilepsy, liver and kidney dysfunction, etc.); 2. Allergy to ropivacaine or other amide local anesthetics; 3. Body mass index (BMI) >= 30 kg/m2; 4. There are contraindications to regional anesthesia, such as puncture site infection, severe organ dysfunction that cannot tolerate regional block, coagulation dysfunction, etc.; 5. Nerve damage, local sensory loss, etc.; 6. Pregnant and lactating women; 7. Cognitive dysfunction, etc., unable to cooperate with the completion of pain assessment and other assessments; 8. Participate in other clinical medical researchers during the same period.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Visual Analogue Scale (VAS) score; | — |
Secondary
| Measure | Time frame |
|---|---|
| Range of skin block;Complications associated with nerve block;Contrast medium diffusion range; | — |
Countries
China
Contacts
The Second Affiliated Hospital of Soochow University