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