The Success of Lumbar Sympathetic Ganglion Block Using Lower Extremity

Status Active, not recruiting

Clinical Trial Summary

The patient, who is experiencing chronic pain in the lower extremities persisting for more than three months, is scheduled to undergo lumbar sympathetic ganglion block. To evaluate the technical success of the sympathetic blockade, temperature and perfusion index (PI) will be measured at one-minute intervals over a 20-minute period before and after the procedure on the treated side and the opposite side foot. Additionally, other variables related to the procedure will be assessed before the procedure, after the procedure, before discharge, and during follow-up outpatient visits or phone surveys at 1 week and 1 month after the procedure.

Clinical Trial Description

Patients aged 19 to 85 experiencing lower limb pain and scheduled to undergo lumbar sympathetic ganglion block at the Seoul National University Hospital Pain Center will be directly informed about the study, and their participation will be sought and registered. Continuous monitoring of electrocardiography, blood pressure, and pulse oximetry will be conducted before and after the procedure. Upon admission to the pain center's operating room, the patient will assume a prone position. Thermometers will be attached to the soles of both feet, and perfusion index probes will be attached to the second toe on both sides. Using fluoroscopy guidance, a needle will be inserted at the painful side, either right or left, at the L3. After confirming the needle's position in front of the desired vertebral body using contrast medium in lateral and anteroposterior (AP) views, 7 mL of 0.5% ropivacaine will be injected. Baseline temperature and PI values will be recorded before drug administration, followed by recording every minute for 20 minutes after injection. Other variables related to the procedure will be assessed before and after the procedure, before discharge, and through outpatient visits or phone surveys at one week after the procedure. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06241820
Study type	Interventional
Source	Seoul National University Hospital
Contact
Status	Active, not recruiting
Phase	N/A
Start date	February 13, 2024
Completion date	May 30, 2024

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

The Success of Lumbar Sympathetic Ganglion Block Using Lower Extremity Perfusion Index

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms