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应用超频叠加治疗化学灼伤所致皮肤色素沉着15例疗效分析上海市化工职业病防治研究所陈德荣王教梅王柯我们自1995年以来,应用CEM-6A高级电脑美容美体机中的超频叠加项目和祛色精华素治疗化学灼伤所致皮肤色素沉着15例,取得良好效果。超声叠加治疗即指超声... 相似文献
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目的:探讨彩色多普勒超声检测Ⅱ型糖尿病患者下肢动脉病变的诊断应用。方法:选择100例Ⅱ型糖尿病患者,对其下肢共1000个节段进行彩色多普勒超声检查。结果:Ⅱ型糖尿病患者下肢动脉病变为血管内膜粗糙增厚,动脉腔内粥样斑块及血管部分或完全闭塞,彩色多普勒示血管内彩色充盈缺损。结论:彩色多普勒超声对II型糖尿病患者下肢动脉病变的诊断及追踪观察有良好的应用价值。 相似文献
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支气管哮喘是呼吸系统的常见病、多发病,随着病情进展,严重时可导致肺循环压力增高,右心后负荷增加,最终右心及全心功能障碍。本文采用多普勒超声对55例支气管哮喘患者右心舒张功能进行观察分析,报告如下。 相似文献
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目的 探讨听神经瘤内听道的显微外科处理,提高肿瘤的全切除率和面神经的功能保留率. 方法 回顾性分析经枕下乙状窦后内听道入路行显微外科手术治疗听神经瘤的32例患者的临床资料,术前均行后颅窝岩骨CT薄层扫描,术中采用磨钻(美敦力公司)或磨骨刀(SONOPET公司)将内听道磨开,磨除时后壁尽量磨开,术中均行面神经功能电生理监测,对内昕道内肿瘤处理的手术技巧进行分析. 结果 听神经瘤全切除30例,全切除率为96%;次全切除2例,占4%.面神经解剖保留32例,面神经解剖保留率达100%,其中H.B分级Ⅰ级8例,H.B分级Ⅱ~Ⅲ级24例;功能良好以上保留率为100%.面神经位于前下位置16例,居中6例,前上10例.内听道处理时术中颈静脉球高位4例,磨除内听道时轮廓化4例,出血2例.无术后死亡患者. 结论 熟练掌握内听道解剖和显微磨钻技术,充分打开内听道后壁,结合术中电生理监测和显微外科技术,可提高听神经瘤的全切除率和面神经功能保留级别. 相似文献
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Objective To study the effects of prenatal and postnatal perfluorooetane sulfonate (PFOS) exposure on spatial learning and memory, N-methyl-D-aspartate receptor 2B (NR2B) mRNA and protein level in frontal cortex and hippoeampus of rat pups and to explore the mechanism of developmental neurotoxicity induced by PFOS. Methods Twenty-eight pregnant mrs were randomly divided into three groups in proportion of 3: 2: 2,including control group (C), low dose group (L) and high dose group (H) by means of randomized number table, which respectively received 0,7.2, 14.4 mg/kg PFOS feed from pregnancy day 0 to postnatal day(PND)30 by free feedings. The animal models of prenatal and postnatal non-exposure (CC), prenatal exposure (LC and HC), postnatal exposure (CL and CH), and prenatal and postnatal exposure (LL and HH) to PFOS were established by cross-fostering method. The spatial learning and memory were measured by water maze experiment,the NR2B mRNA levels in frontal cortex of rat pups was determined with semi-quantitative RT-PCR, NR2B protein express in cerebral cortex (frontal and tempera]cortex) and hippocampus (CAI, CA3, CA4 and DG regions) of rat pups was detected by immunohistochemistry. Results The escape latency of CL, CH, LL and HH groups pups in water maze experiment were (99. 83±25.77) s, (111.30±17. 82) s, (106. 40±18. 71) s, (107.70±16. 85) s, and longer as compared with CC group[(54.90±26.69)s](q value were 4.349,4.773,6.026 and 5.641, respectively,P<0. 01). The number of errors of HH group rat pups entering dead end was (22. 30±7.56) at the training day 4,and it was significantly higher than that of CC group (9. 80±4. 64) (q=5. 173,P<0. 01). The NR2B mRNA levels of frontal cortex of pups in HC group at PND1 ,and LC group, HC group and HH group at PND14 were (0. 167±0. 008), (0. 364±0. 035), (0. 341±0. 030) and (0. 328±0. 045) respectively,which were significantly lower than CC group (0.271±0.060) and (0.465±0.067) (q values were 3. 547, 3. 739, 4. 597 and 5. 006, respectively, P<0.05) . The results of immunohistochemistry indicated that NR2B protein express of the hippocampus CA1 region of pups in LC group was (0.091±0.005),and showed significant lower than CC group which was (0. 123±0.009) at PND1 (q=5. 209 ,P<0. 05). At PND14, the effect of PFOS extended to cerebral cortex and hippocampus regions. At PND28, the effects of PFOS were showed in hippocampus CA1, CA3 and temporal cortex regions. Conclusion Prenatal and postnatal exposure to PFOS should result in the spatial learning and memory damage,and the mechanism might be possibly involved in the decrease of NR2B level in cerebra lcortex and hippocampal formation regions. 相似文献