Do cervical medial branch blocks have a therapeutic role? a prospective cohort study
Authors' conclusion
Our findings suggest that a proportion of patients undergoing CMBB may experience clinical benefits that exceed the expected duration of local anesthetics.
Study context
- Population
- Patients undergoing cervical medial branch blocks who had previously reported 50% relief following a cervical medial branch blocks (CMBB)830 block levels
- Participants
- 179 patients
- Outcome
- ≥30% decrease in pain scores
- Follow-up
- 2 weeks
Methodological detailsoutpatient setting
- Outpatient setting
Main finding
As reported in the abstract
Patients reporting a 30% or greater decrease in pain scores at 2 weeks
62.2%
Observational data: associations, not effects.
Further findings
≥30% decrease in pain scores · 12 weeks
- Patients reporting a 30% or greater decrease in pain scores at 12 weeks
- 22.7%
All measures of pain, emotional and physical functioning · 2 and 12 weeks vs baseline
- Statistically significant differences for all measures vs baseline
Association of age, opioid use, pain etiology, previous surgery, levels treated with change in NRS (exploratory analysis) · weeks 0–2 and weeks 2–12
- No association found
- Exploratory analysis
Original publication
Do cervical medial branch blocks have a therapeutic role? a prospective cohort study. Reg Anesth Pain Med. Published 28 May 2025. doi:10.
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