Research StudyPrimary research study

Comparison of Pain and Quality-of-Life Outcomes Following Bipolar Versus Monopolar Pulsed Radiofrequency Treatment for Chronic Lumbosacral Radicular Pain: An Observational Study

Pain practice : the official journal of World Institute of Pain · Nov 1, 2026

What they asked

Does bipolar pulsed radiofrequency of the dorsal root ganglion outperform monopolar for pain and quality of life in chronic lumbosacral pain?

Who was studied

143 adults with chronic pain from lumbosacral disc herniation treated in 2022–2023 (79 bipolar, 64 monopolar)

What they did

Observational study combining retrospective and prospective records comparing bipolar vs. monopolar DRG pulsed radiofrequency, with pain tracked at 1, 2, and 6 months and SF-36 at and 6 months

What they found
  • Pain dropped meaningfully over time in both groups (p < 0.001)
  • At 6 months, average pain rating was 2.32 with bipolar vs. 4.78 with monopolar (p < 0.001); bipolar was better at every point
  • Total SF-36 at 6 months favored bipolar, 583.61 vs. 425.29 (p < 0.001), with all eight subscales higher
  • Complications were tracked as a safety outcome, but no rates are given in the abstract
What it means

In this non- comparison, the bipolar configuration was linked to better 6-month pain and self-reported quality of life, which may shape expectations for rehab progress after DRG pulsed radiofrequency, though group assignment was not randomized.

Summarized by Limbic from the published abstract. Tap an underlined term for a plain-language explanation. Read the source for the full text.

Read the free full text — Free Version AvailableView the original on PubMed →

Free version located by Unpaywall — legal open access.