共查询到16条相似文献,搜索用时 140 毫秒
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2004年3月~2006年12月,我们应用Q开关Nd:YAG激光(1 064nm和532nm)治疗太田痣患者36例,取得了满意疗效,现将临床体会报道如下: 相似文献
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Q开关Nd:YAG激光治疗太田痣的疗效及影响因素分析 总被引:3,自引:12,他引:3
目的:观察Q开关Nd:YAG激光对1012例太田痣疗效并探讨与疗效相关的影响因素。方法:用Q开关Nd:YAC激光(1064nm波长)对1012例大田痣进行治疗。通过回顾性总结治疗效果,分析影响疗效的相关因素。结果:Q开关Nd:YAG激光治疗1012例太田痣,痊愈496(4.34%)例,痊愈率与治疗次数有关,x~2=460.850,P<0.005,即随治疗次数增加,痊愈率增高;男性患者痊愈率明显高于女性,x~2=5.670,P<0.025,平均治愈次数也少于女性;各年龄组疗效无显著性差异,皮损部位与疗效有关,额、颞部皮损疗效相对较好。其他因素如治疗光斑、能量密度、治疗间隔时间等也与疗效有关。结论:Q开关Nd:YAG激光治疗太田痣效果好,影响疗效的相关因素主要有治疗次数、患者性别、皮损部位。光斑、能量密度、治疗间隔时间、皮损颜色、患者皮肤类型、全身状况等与疗效也有一定关系。 相似文献
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Q-开关Nd:YAG激光治疗太田痣疗效观察 总被引:5,自引:5,他引:0
目的观察Q-开关Nd:YAG(1064nm)激光对太田痣的治疗效果方法用波长1064nm、脉宽10ns的激光治疗200例太田痣,治疗次数最少1次,最多5次,平均治疗间隔时间4.26月。结果:治疗1次有效率为65.00%,治疗2次、3次显效率分别为53.06%、82.05%,治疗4次、5次治愈率分别为44.44、80.00%,显示治愈率随治疗次数增加而提高。结论:Q-开关Nd:YAG(1064nm)激光治疗太田痣近期疗效可靠,安全、无瘢痕,美容效果显著,操作简便,是目前较理想的治疗方法 相似文献
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目的:观察Q开关Nd:YAG激光治疗黄褐斑的疗效。方法:应用Medlite C6激光治疗仪(美国HOYA-ConBio公司生产),波长1064nm,光斑大小6mm,能量2.5~3.5J/cm2,治疗120例黄褐斑患者,每周一次,共治疗10次,观察临床疗效及副作用。结果:120例患者经过治疗后,43例(35.8%)完全消退,68例(56.7%)明显消退,总有效率为92.5%。所有患者均述面部治疗区域皮肤质地较以前更光滑、细腻,无严重不良反应出现。结论:采用MedliteC6 1064nm大光斑、低能量治疗黄褐斑疗效显著、安全,副作用少。 相似文献
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太田痣又名“眼上颚褐青色痣”,是皮肤科常见疾病,该病在日本发病率较高,约0.3%~1.0%,主要是皮肤的真皮层内有过多特殊的黑素细胞,分布于真皮浅层时,往往呈淡棕色或棕色,分布于真皮较深层时,表现为蓝色或灰黑色, 相似文献
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Q开关Nd:YAG激光和CO2激光治疗面部色素痣疗效比较 总被引:6,自引:2,他引:4
目的:观察、评价Q开关Nd:YAG激光治疗面部色素痣的治疗效果与美容效果。方法:以Q开关Nd:YAG激光(1064nm,532nm波长)和CO2激光分别对433例面部色素痣患者1458个皮损进行治疗,对照观察其治疗效果,美容效果和平均治愈次数。结果:Q开关激光组Ⅰ、Ⅱ级痊愈率为90.67%,平均治愈次数2.59次,CO2激光组为40.4%,平均治愈次数为1.85次,经统计学处理有显著差异,结论:Q开关Nd:YAG激光治疗面部色素痣,有显著的治疗效果和美容效果,CO2激光治疗面部色素痣治疗效果较好,但美容效果欠佳。 相似文献
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Q开关激光治疗双侧面部获得性太田痣样斑287例疗效分析 总被引:1,自引:0,他引:1
目的:比较Q开关紫翠宝石755nm激光、Nd:YAG1064nm激光和倍频Nd:YAG532nm激光对双侧获得性太田痣样斑的治疗效果和副作用。方法:运用Q开关紫翠宝石755nm激光、Nd:YAG1064nm激光和倍频Nd:YAG532nm激光分别对287例患者进行治疗。结果:经过1~13次治疗后,痊愈140例,显效66例,有效59例,无效22例,总有效率71.8%,总治愈率48.8%。倍频Nd:YAG532nm激光治疗起效快而副反应明显,Q开关紫翠宝石755nm激光和Nd:YAG1064nm激光起效慢但副反应轻微。结论:三种Q开关激光均能有效治疗双侧获得性太田痣样斑,长程低能量的Q开关紫翠宝石755nm激光和Nd:YAG1064nm激光因副反应轻微更适合美容患者的需要。 相似文献
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Dentin hypersensitivity (DH) is one of the most common complications that affect patients after periodontal therapy. So far,
many investigators have successfully used different types of laser on DH treatment. The aim of this study was to evaluate
the comparative effect of Nd:YAG laser and Er:YAG laser on human teeth desensitization. A group of nine patients with a total
of 63 chronic hypersensitive teeth were selected. Each one of them should at least have three hypersensitive teeth. These
teeth were randomly allocated into three groups. Group 1, Nd:YAG laser (1 W, 15 Hz, 60 s, two times); group 2, Er:YAG laser
(100 mJ, 3 Hz, 60 s, two times); and group 3 serves as control group without any treatment. Assessment of pain was performed
by a visual analysing scale (VAS) after stimulation of sensitive tooth by using the sharp tip of an explorer. This test was
performed before treatment, immediately after that and at 1-, 3- and 6-month intervals after treatment by one blinded examiner.
Analysis of VAS score between the three groups at the time of treatment did not show any significant difference (p = 0.506). However, by using repeated-measurement analysis of variance test, significant differences were seen in the three
groups between before-treatment VAS score and after treatment (p < 0.0005). This statistically significant difference in the control group demonstrated a placebo effect. However, the effect
of using Nd:YAG and Er:YAG lasers was stronger than this placebo effect, so that after removing the effect of the placebo,
differences immediately after, 1, 3 and 6 months post treatment between all three groups still were statistically highly significant
(p < 0.0005). Compared to the Er:YAG laser group, using Nd:YAG laser resulted in a significant reduction of VAS score at each
follow-up examination (p < 0.0005). Although using Nd:YAG and Er:YAG laser in desensitization of hypersensitive teeth showed a placebo effect limited
to a short time, results of this study demonstrated that both of these lasers have an acceptable therapeutic effect. The observed
effects seemed to last for at least 6 months. It was concluded that Nd:YAG laser is more effective than Er:YAG laser in reduction
of patients’ pain. 相似文献
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目的探讨调Q开关紫翠宝石激光治疗太田痣的临床疗效。方法采用波长752nm的调Q—Alexandrite激光PhotoGenica HT10治疗1985例太田痣患者,并从年龄、治疗次数、间隔时间及不良反应等方面进行分析,比较疗效。结果1985例太田痣患者中显效率97.88%,总有效率100%;各年龄组均有良好效果,组间差异无统计学意义(P〉0.05);多数患者(55.2%)需经4~5次治疗即可获较好疗效,极少数(0.8%)患者,需要治疗10次以上;治疗1~3次及6~10次达到较好效果的分别占18.2%和25.8%;2次治疗时间间隔4~6个月组与治疗间隔6个月组显效率高于不足3个月组,但治疗间隔4~6个月组与治疗间隔6个月组差异无统计学意义(P〉0.05);仅少数病例(4.48%)出现色素减退、色素沉着及瘢痕等不良反应。结论752nm紫翠宝石激光治疗太田痣效果明显,安全性高,可视为是目前行之有效的较好方法之一。 相似文献