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时间:2017-12-08
《q开关和长脉宽1064nm nd∶yag激光真皮胶原重建疗效的比较性研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、中国美容医学2014年1月第23卷第2期ChineseJournalofAestheticMedicine.Jan.2014.Vo1.23.No.2121·基础研究·Q开关和长脉宽1064nmNd:YAG激光真皮胶原重建疗效的比较性研究尚英彬,-,王展,陈芳园,庞莹,席鹏,任秋实(1.上海交通大学激光与光子生物医学研究所上海200240;2.苏州美莱美容医院皮肤美容中心江苏苏州2l5000)[摘要]目的:本研究拟定量地比较Q开关和长脉宽1064nm掺钕:钇一铝石榴石(neodymium—yttrium—a1uminum
2、garnet,Nd:YAG)激光诱导真皮胶原重建的疗效。方法:应用Q开关和长脉宽1064nmNd:YAG激光分别对36只雌性昆明小鼠左侧后背皮肤进行连续4次治疗,每次间隔1周,右侧相应的部位作为自身对照。分别于第1次治疗后lh、1天、7天、21天、30天和60天对小鼠皮肤行活组织取材。应用免疫组化方法分别对皮肤组织样品中真皮I、III型胶原进行检测,染色结果应用MotiC医学数字图像分析系统进行定量分析。结果:与正常对照组相比,Q开关1064nmNd:YAG激光治疗后7天、21天、30天和60天,真皮I型胶原及III型
3、胶原水平明显增高(均P<0.01)。长脉宽1064nmNd:YAG激光治疗后21天、30天和60天,真皮I型胶原水平明显增高(均P<0.01);激光治疗后7天、21天、30天和60天,真皮III型胶原水平明显增高(分别为P<0.01、P<0.05、P4、关1064nmNd:YAG激光治疗组较长脉宽1064nmNd:YAG激光治疗组真皮III型胶原水平明显增高(分别为P<0.05、P<0.01)。结论:Q开关和长脉宽1064nmNd:YAG激光均可引起真皮胶原重建,但二者的作用效果不尽相同。[关键词]非剥脱性激光嫩肤;胶原重建;Nd:YAG激光[中图分类号]R332[文献标识码]A[文章编号]1008-6455(2014)02-0121-04ComparativestudyondermalcollagenremodellingusingQ-switchedandlong5、-pulsed1064-nmNd:YAGlasersSHANGYing—bin’,WANGZhan’,CHENFang—yuan2,PANGYing1,XlPeng1tRENQiu—shi’(1.InstituteforLaserMedicineandBio-Photonics,ShanghaiJiaotongUniversity,Shanghai200240,China.2.SkinCosmetologyCenter,SuzhouMylikeCosmeticHospital,Suzhou215000,Jiangsu,6、China)Abstract:ObjectiveTheaimofthisstudywastoquantitativelycomparethechangesofamounloftypelandtype⋯collagenafternonablativelasertreatmentusingQ—switchedandlong—pulsed1064一nmNd:YAGlasers.MethodsAtotaIof36KunMingmicereceivedaseriesoffournonablativelasertreatments7、separatedby1-weekintervalsondorsalskin.TheIeftsideofthemousedorsaIskinwasexposedbyQ-switchedandIong—pulsed1064-nmNd:YAGlaserrespectively.IeavinglherightsideaslhecontralateraIcontrols.Biopsieswereperformed1hafterirradiation,and1,7,14,3Oand60daysafterfhefirstlreat8、ment.SkinsampleswerestudiedfortypeJand川collagenapplyingimmunohistochemistry.Foreachsectionofimmunohistochemistry,thestainingwasquantifiedusingMoticmedicaIdigitalimage
4、关1064nmNd:YAG激光治疗组较长脉宽1064nmNd:YAG激光治疗组真皮III型胶原水平明显增高(分别为P<0.05、P<0.01)。结论:Q开关和长脉宽1064nmNd:YAG激光均可引起真皮胶原重建,但二者的作用效果不尽相同。[关键词]非剥脱性激光嫩肤;胶原重建;Nd:YAG激光[中图分类号]R332[文献标识码]A[文章编号]1008-6455(2014)02-0121-04ComparativestudyondermalcollagenremodellingusingQ-switchedandlong
5、-pulsed1064-nmNd:YAGlasersSHANGYing—bin’,WANGZhan’,CHENFang—yuan2,PANGYing1,XlPeng1tRENQiu—shi’(1.InstituteforLaserMedicineandBio-Photonics,ShanghaiJiaotongUniversity,Shanghai200240,China.2.SkinCosmetologyCenter,SuzhouMylikeCosmeticHospital,Suzhou215000,Jiangsu,
6、China)Abstract:ObjectiveTheaimofthisstudywastoquantitativelycomparethechangesofamounloftypelandtype⋯collagenafternonablativelasertreatmentusingQ—switchedandlong—pulsed1064一nmNd:YAGlasers.MethodsAtotaIof36KunMingmicereceivedaseriesoffournonablativelasertreatments
7、separatedby1-weekintervalsondorsalskin.TheIeftsideofthemousedorsaIskinwasexposedbyQ-switchedandIong—pulsed1064-nmNd:YAGlaserrespectively.IeavinglherightsideaslhecontralateraIcontrols.Biopsieswereperformed1hafterirradiation,and1,7,14,3Oand60daysafterfhefirstlreat
8、ment.SkinsampleswerestudiedfortypeJand川collagenapplyingimmunohistochemistry.Foreachsectionofimmunohistochemistry,thestainingwasquantifiedusingMoticmedicaIdigitalimage
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