Lasers are novel technologies that are used for the treatment of various dermatologic issues by sources of high-intensity monochromatic (single wavelength) coherent light.
A dermatologist or plastic surgeon can change the wavelength, pulse characteristics, and fluence (energy output) of the laser, it can be used for different conditions.
Each of the different types of lasers has a specific range of utility, depending on its wavelength and penetration.
What is a pulsed dye laser?
A pulsed dye laser is a type of laser that uses an organic dye that is mixed in a solvent. The solvent can be different materials such as water, glycol, ethanol, methanol, hexane, cyclohexane, and cyclodextrin.
It includes different types like rhodamine, fluorescein, coumarin, stilbene, umbelliferone, tetracene, and malachite green.
This laser needs an energy source of light to pump the liquid beyond the lasing threshold. These sources are external lasers or fast discharge flashlamps. A solution always circulates with high speed to preventing absorption and decreasing degradation of the dye. Pulsed dye lasers produce pulses of visible light at a wavelength of 585 or 595 nm with pulse durations of the order of 0.45–40 ms.
Like most other laser treatments pulsed dye lasers can be used combined with other methods like radiofrequency. This improves the final results.
A variety of skin diseases and problems can be treated with pulsed dye lasers(PDL).
Pulsed dye lasers have got certifications from reliable associations like US Federal Drug Agency (FDA), Vbeam Perfecta® (Candela Corporation, Massachusetts, USA), and ...
• Melasma is an acquired pigmentary disorder characterized by brownish hyperpigmented patches usually on the face.
• The 585 nm PDL has been utilized as a successful alternative method to an excision in patients with hypertrophic scars following thermal burns.
• Various studies have proven the efficacy of PDL in the treatment of plaque psoriasis or even nail psoriasis.
• PDL is also effectively used as a treatment of several nonvascular situations including plane warts, angiofibroma (tuberous sclerosis), and pyogenic granulomas.
• PDL is a type of useful procedure in the treatment of port-wine stains (vascular malformation), superficial haemangiomas, and a variety of acquired cutaneous vascular lesions,including telangiectasis, cherry angiomas, and poikiloderma of Civatte.
Before deciding to have the laser procedure it's really important to consult with an experienced dermatologist or healthcare provider to be diagnosed correctly and even understand if you are a good candidate for pulsed dye laser treatments or not. The patient should wear eye protection, consisting of an opaque covering or goggles or special types of shields throughout treatment. Although it is not necessary to have anesthesia, you can ask your doctor to have light topical anesthesia and decrease your uncomfortable feeling during the procedure.
The other method for decreasing the pain and uncomfortable feeling is utilizing laser devices that have a cooling effect. Cooling is effective mostly for hair-removal procedures. Be careful about all instructions your dermatologist or plastic surgeon will recommend you. Some aftercare methods like using a bandage or patch may help to prevent abrasion of the treated area or utilizing an ice pack Immediately after your treatment may be applied to soothe the treated area. Like all types of laser treatments during the time of treatment, patients should protect the treated areas from sun exposure to reduce the risk of postinflammatory pigmentation.
After treatment, try to wear loose clothing to avoid rubbing, the treated area should not be exposed. Swimming, saunas, hot baths, and contact sports should be avoided until the treated area is healed
Side effects from pulse dye laser treatment are usually minor and got better by passing few days but they may include:
• Pain and discomfort during treatment (reduced by contact cooling and if necessary, topical anesthetic)
• Redness, swelling, and itching immediately after the procedure is treated areas
• Skin pigment may absorb too much light energy and blistering can occur (a burn) which rarely occurs
• Changes in skin pigmentation. Sometimes the pigment cells (melanocytes) can be damaged leaving darker (hyperpigmentation) or paler (hypopigmentation) patches of skin. Researches have proven, cosmetic lasers will work better on people with lighter than darker skin tones.
• Bruising (purpura)
• Bacterial infection. Antibiotics may be prescribed by your doctor to treat or to prevent wound infection.
Like always you can read about all different medical and aesthetic conditions on ERMATEB'S website. In this article, we tried to give you suitable information about pulsed dye lasers which are widely available these days. If you read all of the above and think some operations are left contact ERMATEB'S experts who will help you find out your answers. ERMATEB'S team tries to provide awesome offers in various medical and cosmetic fields. We don't say that we are the best because our quality shows this fact to our patients.
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