Perspectives on Integrative Medicine

Original Articles

Acupuncture Needles and the Risk of Lymphedema After Breast Cancer Surgery: A Retrospective National Cohort Study: Ye-Seul Lee, Yucheol Lim, Jiyoon Yeo; Perspect Integr Med. 2024;3(1):29-36. Published online February 22, 2024; DOI: https://doi.org/10.56986/pim.2024.02.004

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Graphical Abstract Abstract PDF Supplementary Material: Background
Controversies remain over the impact of using needles on breast cancer patients after surgery due to risk of breast cancer-related lymphedema (BCRL). While recent literature suggests that vascular access during the postsurgical stage does not affect the risk of BCRL, the impact of acupuncture on the risk of BCRL during the postsurgical stage has not been studied.
Methods
This study included 35,153 patients from 2011 to 2013 who were newly diagnosed with breast cancer in a population-based cohort from the Korean National Health Insurance Service database. All patients received breast surgery, and the treatment group received acupuncture for more than 3 sessions in the 3-6 months post-surgery. The control group did not receive acupuncture. The incidence rate ratio, Kaplan-Meier curve, and Cox proportional hazards models were used to compare the risk of BCRL, and death between groups.
Results
About 5.8% of the study population received acupuncture during the 3-6 months post-surgery treatment window. After propensity score matching, the acupuncture treatment group did not show an increased risk of BCRL (IRR 1.017, 95% CI 0.868-1.193; unadjusted HR 1.018, 95% CI 0.868-1.193). This risk was robust in all multivariate Cox proportional hazards models.
Conclusion
An association of BCRL with acupuncture was not observed. Patients who received acupuncture to manage symptoms such as pain during the 3-6 months postsurgical stage did not have a higher risk of developing BCRL. Breast cancer patients who seek acupuncture to alleviate post-surgery symptoms such as pain, can receive acupuncture without concerns for potential risk of BCRL.

In Vitro Effect of Herbal Medicines with Thermal Characteristics on Heat Sensitivity in Cancer Cells: Chae Ryeong Ahn, Sumin Jung, Seeun Kwon, Seung Ho Baek; Perspect Integr Med. 2023;2(1):42-48. Published online February 21, 2023; DOI: https://doi.org/10.56986/pim.2023.02.006

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Graphical Abstract Abstract PDF: Background
Cancer remains a major public health threat even though there have been breakthroughs in conventional diagnostics and therapies. Alternatively, treatment with mild hyperthermia and herbal medicine treatment [selected using traditional Korean medicine theory 4 qi (cold, cool, warm and hot) and using the 5 senses of taste (sour, bitter, sweet, pungent and salty)], may be an option to promote cancer cell death in patients where the cancer is accessible.
Methods
To investigate effect of combination treatment of herbal medicines and hyperthermia in vitro on cancer cell lines (ACHN, AGS, A549 and U937), the qualities of 38 medicinal herbs and sensitivity to mild hyperthermia (42 and 43°C) treatment were examined. An assay was performed to detect cell viability and proliferation (MTT) following exposure to medicinal herbs and hyperthermia.
Results
Heat sensitizing herbal medicines were determined to be larger in the warm and hot groups of medicinal herbs (29.6%) than the groups which were neither warm nor hot (18.2%). In addition, the proportion of heat sensitizing effect with bitter and pungent flavors was 33.3 % and 32.1 %, respectively, greater than the average (26.3 %).
Conclusion
In conditions of mild hyperthermia in cancer cell lines, incubation with herbal medicines caused cancer cell death in vitro. These results suggest that the use of traditional herbal medicines with warm, hot, pungent and bitter characteristics may be a useful treatment for cancer using conditions to induce mild hyperthermia and this requires further investigation.

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