Thoracic sympathetic ganglion blocks: real-world outcomes in 207 chronic pain patients
Authors' conclusion
We found no significant association between the temperature increase and pain reduction after TSGB.
Study context
- Population
- Patients with chronic upper extremity pain who received thoracic sympathetic ganglion block (TSGB), 2004 to 2020207 analysed
- Participants
- 232 patients
- Outcome
- Relationship between technical success of TSGB (temperature increase ≥1.5°C at 20 min) and pain reduction (positive outcome: ≥2 points on 11-point NRS)
- Follow-up
- 2 weeks post-TSGB
Main finding
As reported in the abstract
Pain reduction vs temperature increase after TSGB
- Correlation between pain reduction and temperature increase, R (no significant relationship)
- 0.013
- p
- p=0.855
Observational data: associations, not effects.
Further findings
TSGB response and technical success
- Positive response to TSGB, n (%)
- 115 (55.5%)
- Technical success, n (%)
- 139 (67.1%)
Factors associated with TSGB outcome (multivariable regression)
- Comorbid diabetes, OR (positive association)
- 4.200
- Adjuvant intake, OR (positive association)
- 3.451
- Psychiatric comorbidity, OR (negative association)
- 0.327
- Pain duration, OR (negative association)
- 0.973
Original publication
Thoracic sympathetic ganglion blocks: real-world outcomes in 207 chronic pain patients. Reg Anesth Pain Med. Published 19 September 2023. doi:10.
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