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Pulsed radiofrequency applied to the dorsal root ganglion (DRG) is an interventional treatment alternative in the treatment of lumbar radicular pain that does not respond to conservative methods. Under intermittent fluoroscopic imaging, the location of the ganglion can be determined by administering contrast media. We consider that determining the localization of the ganglion with this method during pulse radiofrequency application can shorten the procedure time. In this way, we believe that it would help the correct application of the procedure.
Although there are many reasons that can lead to low back pain, radicular pain, which is mostly secondary to lumbar disc hernia, is one of the most common pathologies. Pulsed radiofrequency applied to the dorsal root ganglion (DRG) is an interventional treatment alternative in the treatment of lumbar radicular pain that does not respond to conservative methods and epidural injection treatments.
The electrical field created by the application of pulsed radiofrequency (PRF) changes the cellular activity in DRG neurons. By polarizing cell membranes, reduces nociceptive transmission and contributes to analgesia. In lumbar dorsal root ganglion PRF applications, when the targeted point is reached, the position is confirmed by giving motor and sensory stimuli, and the PRF application is initiated in the follow-up. However, it is a problem that the DRG is not always in the same location, and therefore, time is often lost or even not found while searching with stimulation. Under intermittent fluoroscopic imaging, the location of the ganglion can be determined by administering contrast material.
We consider that determining the localization of the ganglion with this method during pulse radiofrequency application can shorten the procedure time. In this way, we believe that it would help the correct application of the procedure.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Radiocontrast media group | Active Comparator | Pulsed radiofrequency (PRF) treatment will be applied to the dorsal root ganglion (DRG) by fluoroscopy-guidance at the level of nerve root compression due to disc herniation (L5 level) in both groups. In patients in the Radiocontrast media group, contrast material will be given before the application, and primarily the localization of the DRG will be determined. After this stage, the needle will be directed towards the detected localization. Finally, the localization of the dorsal root ganglion will be confirmed by sensory and motor stimuli. |
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| Non-radiocontrast media group | Active Comparator | Pulsed radiofrequency (PRF) treatment will be applied to the dorsal root ganglion (DRG) by fluoroscopy-guidance at the level of nerve root compression due to disc herniation (L5 level). In patients in the Non-radiocontrast media group, the localization of the dorsal root ganglion will be determined just by sensory and motor stimuli. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Pulsed Radiofrequency treatment of the lumbar dorsal root ganglion | Procedure | Using radiocontrast media or not for the pulsed radiofrequency treatment of the lumbar dorsal root ganglion |
| Measure | Description | Time Frame |
|---|---|---|
| Procedure time | The time from cutaneous anesthesia to confirmation of the dorsal root ganglion position by motor and sensory stimulation. | 3 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Sanliurfa Education and Research Hospital | Recruiting | Sanliurfa | Turkey (Türkiye) |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 21253377 | Background | Moon HS, Kim YD, Song BH, Cha YD, Song JH, Lee MH. Position of dorsal root ganglia in the lumbosacral region in patients with radiculopathy. Korean J Anesthesiol. 2010 Dec;59(6):398-402. doi: 10.4097/kjae.2010.59.6.398. Epub 2010 Dec 31. | |
| 27224659 | Background | Liem L, van Dongen E, Huygen FJ, Staats P, Kramer J. The Dorsal Root Ganglion as a Therapeutic Target for Chronic Pain. Reg Anesth Pain Med. 2016 Jul-Aug;41(4):511-9. doi: 10.1097/AAP.0000000000000408. |
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| ID | Term |
|---|---|
| D011843 | Radiculopathy |
| D010148 | Pain, Intractable |
| ID | Term |
|---|---|
| D010523 | Peripheral Nervous System Diseases |
| D009468 | Neuromuscular Diseases |
| D009422 | Nervous System Diseases |
| D010146 | Pain |
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| 28700369 | Background | Vanneste T, Van Lantschoot A, Van Boxem K, Van Zundert J. Pulsed radiofrequency in chronic pain. Curr Opin Anaesthesiol. 2017 Oct;30(5):577-582. doi: 10.1097/ACO.0000000000000502. |
| 18719452 | Background | Malik K, Benzon HT. Radiofrequency applications to dorsal root ganglia: a literature review. Anesthesiology. 2008 Sep;109(3):527-42. doi: 10.1097/ALN.0b013e318182c86e. |
| D009461 |
| Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |