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  • Blefaroplastika in odstranitev periokularnih kožnih gub z Er:YAG laserjem nove generacije = Blepharoplasty and periocular skin resurfacing with new geneartion Er:YAG laser
    Drnovšek-Olup, Brigita
    Background. In this study, a new type of Er: YAG laser, emitting irradiation with variable pulse duration, has been used for blepharoplasty and skin resurfacing in periocular region. More than 40 ... patients have been treated withsecond generation Er: YAG laser (Fotona Fidelis) for blepharoplasty and skin resurfacing. A focused laser beam (diameter 0.4 mm) with very short pulsewith (100 us), that is significantly below the thermal relaxation time ofskin, leads to a precise cut with no observable thermal effect on surrounding tissue. The depth of the cut is approximately 1-2 mm, precision comparable to a surgical scalpel. The high repetition rate of consecutive laser pulses (50 Hz at 120 mJ energy) accounts for accumulation of thermal load in tissue, and thus leads to complete hemostasis of the cut tissue. Due to improved cutting abilities of the Er: YAG laser, excision of orbital fat isalso performed with one pass of the laser beam. By changing the laser parameters to short pulses (300us), energy 500 mJ, spot diameter 5 mm and repetition rate 12-15 Hz, skin resurfacing was performed. No special pretreatment therapy was used. Anesthesia: 2% Xylocain inj.subcutaneously. Nonadhesive dressing for 24 hours was applied after surgery. Epithelisation was complete after ten days. Redness persists up to 5 weeks. Discomfort of patients was mild. Cosmetic results are satisfying. Conclusions. New generation of Er: YAG laser offers a possibility to cut and coagulate the tissue simultaneously, and by changing the parameters to ablate the tissue with heating influence on skin collagen.
    Vir: Zdravniški vestnik : glasilo Slovenskega zdravniškega društva = Slovenian medical journal = journal of Slovenian Medical Association. - ISSN 1318-0347 (Letn. 71, supl. 2, apr. 2002, str. II-35-II-38)
    Vrsta gradiva - članek, sestavni del
    Leto - 2002
    Jezik - slovenski
    COBISS.SI-ID - 14710233

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    Digitalna knjižnica Slovenije - dLib.si

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