Abstract
Wavelength is an important factor, for both hemoglobin absorption and depth of effective treatment. Longer wavelengths are better for deeper vascular lesions. Spot size is important, for both degree of coverage and depth of effective treatment. Bigger spots go deeper. Remember that melanin and hemoglobin absorption peaks are very similar. Attention to the degree of pigmentation and tan are important. While oxy-hemoglobin is the primary target, met-hemoglobin and clot area are also important, especially when considering multiple pass and multiple wavelength strategies. Attempt to match the appropriate pulse duration with the size of the intended target. Shorter pulse durations are better for smaller vessels, while longer pulse durations are better for larger vessels. Be cautious with high dose 1064 when treating vascular lesions. Runaway thermal damage is always a risk.
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Tanghetti, E.A., Mirkov, M., Sierra, R.A. (2011). Common Vascular Lesions. In: Raulin, C., Karsai, S. (eds) Laser and IPL Technology in Dermatology and Aesthetic Medicine. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-03438-1_16
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