Impact of temperature on the magnitude and duration of relief after lumbar facets medial branch nerves radiofrequency ablation: a randomized double-blinded study
Authors' conclusion
This prospective double-blinded randomized trial demonstrated that RFA at both temperatures (80°C, 90°C) provided significance at all the time periods examined. However, RFA at 90°C was superior to 80°C in regard to the duration of relief.
Study context
- Population
- Patients undergoing radiofrequency ablation (RFA) for lumbar facetogenic pain
- Comparison
- Lumbar RFA at 90°C vs 80°C
- Primary endpoint
- Self-reported pain scores
- Follow-up
- Up to 12 months
Methodological detailsdouble-blinded, prospective
- Double-blinded
- Prospective
Primary result
As reported in the abstract
- Both groups reported pain improvement in all follow-up time points; both achieved statistically significant pain reduction
- p<0.05
Secondary outcomes
Duration of relief (time to repeat RFA of same medial branch nerves)
P < 0.04
| Outcome | OR (CI) | P value | |
|---|---|---|---|
| Pain improvement >50% (univariate analysis, RFA temperature as factor)Univariate analysis | 2.7 (1.1–6.6) | P = 0.031 | |
| 0.10.31310Odds ratio (log scale) |
Original publication
Impact of temperature on the magnitude and duration of relief after lumbar facets medial branch nerves radiofrequency ablation: a randomized double-blinded study. Reg Anesth Pain Med. Published 27 February 2024. doi:10.
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