Brazilian Journal of Anesthesiology
https://app.periodikos.com.br/journal/rba/article/doi/10.1016/j.bjane.2025.844666
Brazilian Journal of Anesthesiology
Letter to the Editor

The venous sympathetic block in chronic pain practice: absence of evidence, presence of use?

Hugo Muscelli Alecrim

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References

1. Watso JC, Huang M, Moralez G, et al. Low dose ketamine reduces pain perception and blood pressure, but not muscle sympathetic nerve activity, responses during a cold pressor test. J Physiol. 2020;599:67−81.

2. White JM, Ryan CF. Pharmacological properties of ketamine. Drug Alcohol Rev. 1996;15:145−55.

3. Kakazu C, Lippmann M, Hsu D. Ketamine: a positive-negative anaesthetic agent. Br J Anaesth. 2016;117:267.

4. Barbosa CB, Santos IF, Mansur MF, Ribeiro PG, Cavatte M. Bloqueio simpatico venoso na terap  eutica da dor cr ^ onica em ^ paciente com fibromialgia: relato de caso. Anais da Semana Científica da Faculdade de Medicina de Campos. 2024. 56-6. Available from: https://revista.fmc.br/ojs/index.php/anais/ article/view/1110.

5. Unimed [Internet]. Terminologia Unificada da Saude Suple-  mentar (TUSS). [cited 2025 May 24]. Available from: https:// www.unimed.coop.br/documents/893034/915661/tuss-site. pdf.


Submitted date:
06/17/2025

Accepted date:
07/18/2025

691b5edba953952f4811f068 rba Articles
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Braz J Anesthesiol

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