Background:Kunyange zvazvo kubviswa kwebvudzi remalasi kwave kuchiitwa mumakore achangopfuura kubvisa kana kuderedza bvudzi risingadikanwi rakasviba, teknolojia, kusanganisira nzira dzakakodzera dzemhando dzakasiyana dzeganda uye nzvimbo dzemuviri, hadzina kugadziriswa.
Chinangwa:Isu tinoongorora misimboti yekubvisa bvudzi relaser uye tinoshuma ongororo yakadzokororwa yevarwere mazana matatu nemakumi maviri nevaviri vakaita 3 kana kupfuura-yakareba-pulsed alexandrite laser bvudzi kubviswa pakati paNdira 2000 naDecember 2002. retrospective study.
Nzira:Vasati varapwa, varwere vakaongororwa nachiremba uye vakaziviswa nezvemaitiro, kushanda uye zvinogona kuitika zvekurapa.Zvinoenderana neiyo Fitzpatrick kupatsanura, varwere vanoiswa mumhando yeganda.Avo vane systemic chirwere, nhoroondo yekunzwa kwezuva, kana kushandiswa kwemishonga inozivikanwa kuti inokonzera photosensitivity yakabviswa kubva pakurapwa kwelaser.Kurapa kwese kwakaitwa pachishandiswa refu-pulse alexandrite laser ine saizi yenguva dzose (18 mm) uye 3 ms pulse width, iyo inoshandisa 755 nanometers yesimba.Kurapa kunodzokororwa panguva dzakasiyana zvichienderana nechikamu chemuviri chinorapwa.
RESULTS:Kurasikirwa kwebvudzi rose kwakafungidzirwa kuva 80.8% muvarwere vose pasinei nerudzi rweganda.Mushure mekurapa, pakanga pane 2 zviitiko zve hypopigmentation uye 8 kesi dze hyperpigmentation.Hapana mamwe matambudziko akashumwa.mhedziso: Yakareba-pulse alexandrite laser kurapwa inogona kusangana nezvinodiwa nevarwere vanoda kubviswa zvachose bvudzi.Kunyatsoongorora kwemurwere uye dzidzo yemurwere yakakwana isati yarapwa yakakosha pakuteerera kwemurwere uye kubudirira kwehunyanzvi uhu.
Parizvino, ma lasers eakasiyana mawavelengths anoshandiswa kubviswa kwebvudzi, kubva pa695 nm ruby laser pamagumo mapfupi kusvika ku1064 nm Nd: YAG laser kumagumo.10 Kunyangwe marefu mapfupi asingakwanise kubviswa kwebvudzi kwenguva refu, marefu akareba ari padyo zvakanyanya nechiyero chekutorwa kwechiedza cheokisijeni hemoglobin uye melanin kuti inyatsoshanda.Iyo alexandrite laser, iri pakati pepakati peiyo spectrum, isarudzo yakanaka ine wavelength ye755 nm.
Simba re laser rinotsanangurwa nehuwandu hwemafotoni anounzwa kune chinangwa, mujoules (J).Simba relaser mudziyo rinotsanangurwa nehuwandu hwesimba rinounzwa nekufamba kwenguva, mumawatts.Flux ndiyo huwandu hwesimba (J / cm 2) inoshandiswa pane imwe nzvimbo.Saizi yespot inotsanangurwa nehupamhi hweiyo laser beam;Iyo yakakura saizi inobvumira kufambiswa kwakanaka kwesimba kuburikidza nedermis.
Kuti kurapwa kwelaser kuve kwakachengeteka, simba relaser rinofanira kuparadza follicle yebvudzi uchichengetedza matishu akatenderedza.Izvi zvinowanikwa nekushandisa musimboti wenguva yekuzorodza yekupisa (TRT).Izwi rinodudza nguva yekutonhodza kwechinangwa;Kusarudzwa kwekukuvara kwemafuta kunoitwa kana simba rinounzwa rakareba kupfuura TRT yechimiro chakatarisana asi ipfupi pane TRT yebvudzi rebvudzi, nokudaro kusatendera chinangwa kutonhora uye nokudaro kukuvadza follicle yebvudzi.11, 12 Kunyange zvazvo TRT ye epidermis yakayerwa pa 3 ms, zvinotora ingangoita 40 kusvika 100 ms kuti follicle yebvudzi itonhore.Mukuwedzera kune iyi musimboti, iwe unogona zvakare kushandisa inotonhorera mudziyo paganda.Chigadzirwa chacho zvose zvinodzivirira ganda kubva pakukuvadza kwekushisa uye kunoderedza marwadzo kune murwere, zvichibvumira mutyairi kuti ape simba rakawanda zvakachengeteka.
Nguva yekutumira: Aug-12-2022