{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T01:28:27Z","timestamp":1791250107347,"version":"4.1.0"},"reference-count":39,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2012,6,7]],"date-time":"2012-06-07T00:00:00Z","timestamp":1339027200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Acad Dermatol Venereol"],"published-print":{"date-parts":[[2013,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:bold>Background\u2002<\/jats:bold> Laser therapy of vascular lesions, such as port wine stains (PWS) or leg veins are still imperfect due to different diameters and depth of vessels in tissue. We propose to improve blood vessel coagulation by intravenous introduction of an exogenous chromophore (indocyanine green, ICG) that effectively converts near\u2010infrared (NIR) laser light into heat.<\/jats:p><jats:p><jats:bold>Objective\u2002<\/jats:bold> The purpose of this study was to determine the plasma clearance rate, systemic toxicity and histological effects of ICG\u2010assisted laser therapy in an animal model.<\/jats:p><jats:p><jats:bold>Methods\u2002<\/jats:bold> Piglets received intravenous injection of ICG. Blood samples were collected at different times. Systemic toxicity was assessed by measuring liver enzyme levels and other indicators of liver function. The plasma clearance rate of ICG was determined by light absorption measurement in blood samples. The skin was irradiated with a diode laser (810\u2003nm) using radiant exposures from 31 to 80\u2003J\/cm\u00b2. Skin reaction at the treatment site was graded, and punch biopsies were taken for histological examination at 24 and 72\u2003h after treatment.<\/jats:p><jats:p><jats:bold>Results\u2002<\/jats:bold> No hepatic toxicity was observed. The clinical examination revealed no adverse skin reactions at 24 or 72\u2003h after laser irradiation. This was confirmed by histological evaluation that showed efficient vessel coagulation without damage of the epidermis or dermis.<\/jats:p><jats:p><jats:bold>Conclusions\u2002<\/jats:bold> In light of these <jats:italic>in vivo<\/jats:italic> results, we suggest that ICG\u2010assisted laser therapy could substantially improve clinical outcomes of PWS or leg veins treatment with minimal risk of adverse reactions.<\/jats:p>","DOI":"10.1111\/j.1468-3083.2012.04588.x","type":"journal-article","created":{"date-parts":[[2012,6,7]],"date-time":"2012-06-07T07:05:12Z","timestamp":1339052712000},"source":"Crossref","is-referenced-by-count":3,"title":["Intravenous injection of indocyanine green to enhance laser\u2010assisted coagulation of blood vessels in skin \u2013 an animal 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