Effect of Pulse Width on Scar Treatment Using a 595-Nm Pulsed Dye Laser
To investigate the effect of pulse width on the treatment response of keloidal and hypertrophic sternotomy scars to a 595-nm pulsed dye laser
|Study Design:||Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Single Blind
Primary Purpose: Treatment
|Official Title:||Effect of Pulse Width of a 595-Nm Flashlamp-Pumped Pulsed-Dye Laser on the Treatment Response of Keloidal and Hypertrophic Sternotomy Scars|
- scar volume, scar height, scar color, scar elasticity were measured at baseline (day of laser treatment 1), Week 4 (day of laser treatment 2), Week 8 (day of laser treatment 3), Week 24 (12 weeks after the last treatment).
|Study Start Date:||June 2003|
|Estimated Study Completion Date:||December 2004|
The pulse width of the previous model of pulsed dye laser was fixed at 0.45 millisecond, whereas the pulse widths of the latest model of PDL are tunable ranging between 0.45-40 milliseconds. The long-pulsed PDL has been proven to be safe and more effective in treating certain vascular abnormalities including adult port-wine-stain and small leg vein.9-12 In the present study, we would like to investigate the effect of pulse widths on the treatment response of keloidal and hypertrophic sternotomy scars to the 595-nm PDL.
|Siriraj Hospital, Mahidol University|
|Bangkok, Thailand, 10700|
|Principal Investigator:||Woraphong - Manuskiatti, M.D.||Siriraj Hospital, Mahidol University|