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Adynamic cooling device (DCD) has been introduced to both reduce pulsed-dye laser (PDL) pain and minimize nonspecific injury to the normal overlying epidermis.^1-4 One study of both pediatric and adult patients with port-wine stain (PWS) demonstrated statistically significant DCD-associated pain reduction, as assessed by the patients themselves on a numeric scale.¹ We also sought to quantify any reduction in postoperative morphine requirements when using the DCD in conjunction with a 595-nm PDL for the treatment of PWS in pediatric patients.

A retrospective query of the University of Michigan pediatric PWS database yielded 7 patients who met the predetermined selection criteria: (1) treatments both before and after the introduction of the DCD and (2) age 3 years or older so that pain experienced specifically in laser-treated areas could be articulated by the patient. The Scleroplus laser (Candela Corporation, Wayland, Mass) was used at a wavelength of 595 nm for each subject. . . . [Full Text of this Article]