Transcranial Electrical Stimulation for Chronic Post-Mastectomy Pain Syndrome: Analgesic Effect and Changes in Cortisol and β-Endorphin Levels
- Authors: Strоkov K.A.1
-
Affiliations:
- Crimean Republican Oncological Clinical Dispensary named after V.M. Efetov
- Issue: Vol 24, No 4 (2025)
- Pages: 271-279
- Section: Original studies
- URL: https://journals.rcsi.science/1681-3456/article/view/314414
- DOI: https://doi.org/10.17816/rjpbr681245
- EDN: https://elibrary.ru/ZBAQYT
- ID: 314414
Cite item
Abstract
BACKGROUND: Chronic post-mastectomy pain syndrome (CPMPS) affects 20%–50% of patients and significantly impairs quality of life. Venlafaxine is commonly used as part of comprehensive rehabilitation; however, side effects limit its efficacy. Transcranial electrical stimulation (TES) is being considered as a potential alternative.
AIM: The work aimed to assess the efficacy of transcranial electrical stimulation as an alternative to venlafaxine in reducing pain and improving plasma cortisol and β-endorphin levels in patients with CPMPS within the recommended comprehensive rehabilitation algorithm.
MATERIALS AND METHODS: The study included 90 outpatients with CPMPS randomized into two groups: the treatment group (n=45), in which TES was used instead of venlafaxine within the recommended comprehensive rehabilitation algorithm, and the comparison group (n=45), which received the recommended algorithm. Efficacy was assessed after 56 days using visual analog scale pain scores and plasma cortisol and β-endorphin levels. The control group included 80 individuals without CPMPS.
RESULTS: After 56 days of comprehensive rehabilitation, significant intergroup differences were found in the number of patients who achieved complete pain relief (p=0.017), as well as in cortisol levels (p = 0.001) and β-endorphin levels (p < 0.001).
CONCLUSIONS: The findings support the use of TES as an effective and safe alternative to antidepressant pharmacotherapy in the comprehensive rehabilitation of patients with CPMPS.
Full Text
##article.viewOnOriginalSite##About the authors
Kirill A. Strоkov
Crimean Republican Oncological Clinical Dispensary named after V.M. Efetov
Author for correspondence.
Email: strokovk@mail.ru
ORCID iD: 0009-0003-3061-293X
Russian Federation, Simferopol
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