CLaCS

CLaCS (Cryo-Laser and Cryo-Sclerotherapy) is a treatment for leg vein lesions by combining transdermal laser effect and injection sclerotherapy, all under skin cooling (Cryo - cold air blown onto the skin at -20C).[1][2][3] The laser causes a selective photothermolysis damaging the vein wall. The vein's lumen gets smaller. On a second procedure, sclerosing agent is injected where the vein is still open. This combination can be used treat veins that could be treated by phleboectomy or foam sclerotherapy \- more invasive options. To improve results, CLaCS can be guided by Augmented Reality[4] (near-infrared vein finder).[5]

CLaCS was created by Dr. Roberto Kasuo Miyake (also knowns as Kasuo Miyake), in 1999, to adhere to patients' requests for treatment that did not require hospitalizations.[3]

## References

1. ↑ "Cryo-laser and cryo-sclerotherapy guided by augmented reality for telangiectasias, feeder, and small varicose vein treatment–The CLaCS technique white paper report". https://scholar.google.com/citations?view_op=view_citation&hl=pt-BR&user=N96fCRUAAAAJ&citation_for_view=N96fCRUAAAAJ:BrmTIyaxlBUC.
2. ↑ Miyake, Roberto Kasuo; Chi, Yung-Wei; Franklin, Ian J.; Gianesini, Sergio (2020). "State of the art on cryo-laser cryo-sclerotherapy in lower limb venous aesthetic treatment". Journal of Vascular Surgery. Venous and Lymphatic Disorders 8 (5): 893–895. doi:10.1016/j.jvsv.2020.01.003. ISSN 2213-3348. PMID 32179040.
3. ↑ 3.0 3.1 Miyake, Hiroshi; Miyake, Kasuo; Duarte, Flávio; Kikuchi, Rodrigo (2008). "Pequenas Varizes e Telangiectasias" (in pt). Doenças Vasculares Periféricas (Rio de Janeiro, RJ: Guanabara Koogan S.A.) 2: 1769–1795. ISBN 9788527714600.
4. ↑ "Reality, only better, December 8th". The Economist. ISSN 0013-0613. https://www.economist.com/letters-to-the-editor-the-inbox/2007/12/19/reality-only-better-december-8th.
5. ↑ Miyake, RK; Zeman, HD; Duarte, FH; Kikuchi, R; Ramacciotti, E; Lovhoiden, G; Vrancken, C (2014-01-24). "Vein imaging: a new method of near infrared imaging, where a processed image is projected onto the skin for the enhancement of vein treatment". Dermatol Surg 32 (8): 1031–8. doi:10.1111/j.1524-4725.2006.32226.x. PMID 16918565.

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