[Effects of infrared and UVA rays on the @entity1 skin and their efficacy in the treatment of XXXX ].

@entity1 @entity483 @entity5105 @entity2118 @entity158
Radiation with ultrared light (UR) and with a supposed pure UVA high pressure tube leads to increase of the skin surface temperature, which is linear during UR radiation and causes @entity158 at 42 degrees C. During UVA radiation, the skin surface temperature increases in a parabolic curve and approximates 42.3 degrees C asymptotically. There is no @entity158 . Following both UR and UVA, erythema occurs at 41.4 degrees C. UVA additionally results in immediate @entity2118 dependent on the dose between 6 and 20 J/cm2. UR does not induce any @entity2118 . The erythema induced by UR disappears completely within 6 hours. Corresponding to the dose, the erythema persists up to 7 days after UV radiation. Immediate and delayed @entity5105 overlap. The @entity2118 shows a biphasic reaction. There is a maximum immediately at the end of UV radiation, reduction between 6 and 24 hours after radiation. The course of erythema and @entity2118 indicates a clinically relevant part of UVB in the emission spectrum supposed to be pure UVA. A therapeutical trial was performed in 40 @entity1 suffering from severe @entity483 . In a group of 10 @entity1 , daily UR radiation up to beginning @entity158 showed good results within 3 weeks. The therapeutic effects were even better in another group of @entity1 radiated with suberythematous doses of UVA daily for the same time. UVA radiations twice a week for 6 to 8 weeks were less effective.
