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- Eunjoo Choi, Francis Sahngun Nahm, and Pyung-Bok Lee.
- Department of Anesthesiology and Pain Medicine., Seoul National University Bundang Hospital, Seongnam-si, Bundang-gu Korea.
- Pain Physician. 2015 Jul 1;18(4):365-72.
BackgroundBreast cancer-related lymphedema (BCRL) not only has physical implications, but also affects the quality of life in breast cancer survivors. Despite numerous studies of various therapies, the optimal treatment for BCRL is unknown.ObjectiveIn this study, we investigated the efficacy of sympathetic blockade (thoracic sympathetic ganglion block, [TSGB]) in treating BCRL.Study DesignRetrospective study.SettingTertiary referral center/teaching hospital.MethodsTSGB was performed in 35 patients under fluoroscopic guidance. First, arm circumference and Lymphedema and Breast Cancer Questionnaire [LBCQ] score were assessed before TSGB and 2 weeks and 2 months after the procedure. Efficacy was defined as a ≥ 50% reduction in the LBCQ score and a ≥ 50% decrease in the circumference difference between the unaffected and affected arms 2 months after TSGB. Second, TSGB efficacy according to the lymphedema stage and the period between BCRL onset and TSGB (< 6 months vs. > 6 months) was evaluated.ResultsThe arm circumference and LBCQ score significantly decreased at 2 months (P < 0.001), and 65.7% of patients showed good efficacy. Patients with high stage lymphedema showed improved efficacy after TSGB compared to those with low stage disease (P = 0.045). The TSGB efficacy did not differ according to the period between BCRL onset and TSGB.LimitationsThis study was not a randomized prospective controlled study and did not compare the therapeutic outcomes to those in a conservative treatment group.ConclusionsTSGB in BCRL patients appears to be effective in decreasing the affected arm circumference. TSGB may be an alternative option in BCRL patients who do not respond to conservative therapy.
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