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Title: | Photoacoustic imaging of microenvironmental changes in facial cupping therapy | Authors: | Zhou, YY Cao, F Li, HH Huang, XZ Wei, DS Wang, LD Lai, PX |
Issue Date: | 1-May-2020 | Source: | Biomedical optics express, 1 May 2020, v. 11, no. 5, 2394, p. 2401-2401 | Abstract: | As a traditional medicine practice, cupping therapy has been widely used to relieve symptoms like fatigue, tension, and muscle pain. During the therapy, negative pressure is applied to the skin for a while with an intention to enhance blood circulation or induce micro-bleeding. The therapeutic effect, however, is not clear due to the lack of direct quantification. Aiming at a quantitative assessment of the treatment effect, we explore optical-resolution photoacoustic microscopy (OR-PAM) in monitoring the structural and functional changes after cupping. We find that, after 5-minutes of similar to 20 kPa negative pressure cupping, more capillaries appear in the focus, and micro-blooding is observed from the capillaries. We quantify the images and find the blood vessel density is increased by 64%, and the total hemoglobin concentration in both the veins and the arteries exhibits 62% and 40% elevation, respectively. Oxygen saturation in the vein and artery decreased by 17% and 3% right after cupping, respectively. After two hours of recovery, the three blood-related parameters return to their original levels, indicating that the effects in the tissue last only a short period after cupping at the given pressure and time duration. Note that no significant cupping marks are induced with the treatment parameters in this study. This work proposes OR-PAM to quantitatively monitor and evaluate the effect of cupping therapy from the perspective of imaging. The method is also useful for accurate control of the therapeutic outcome. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement | Publisher: | Optical Society of America | Journal: | Biomedical optics express | EISSN: | 2156-7085 | DOI: | 10.1364/BOE.387985 | Rights: | © 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement (https://www.osapublishing.org/library/license_v1.cfm#VOR-OA) Journal © 2020 © 2020 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved. The following publication Yingying Zhou, Fei Cao, Huanhao Li, Xiazi Huang, Dongshan Wei, Lidai Wang, and Puxiang Lai, "Photoacoustic imaging of microenvironmental changes in facial cupping therapy," Biomed. Opt. Express 11, 2394-2401 (2020) is available at https://dx.doi.org/10.1364/BOE.387985 |
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