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Efficacy of pulsed radiofrequency treatment duration to the lumbar dorsal root ganglion in lumbar radicular pain: a double-blind randomized controlled trial

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Randomized controlled trial compared pulsed radiofrequency duration in lumbar radicular pain patients, indicating 6 min is optimal.

A 6 min pulsed radiofrequency duration achieved the most consistent pain improvement in lumbar radicular pain.
At 6 months, participants receiving 6 min treatment showed significantly greater pain reduction compared to the 4 min group.
This study employed a randomized controlled trial design with 60 patients allocated to three treatment durations.
The findings support using 6 min pulsed radiofrequency as a standard treatment duration for lumbar radicular pain.

Jang et al. (2025) studied this question.

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