目的 探讨同步放化疗治疗晚期非小细胞肺癌(NSCLC)的临床疗效。方法 选取我院2014年收治的晚期NSCLC患者102例,随机分为观察组和对照组,对照组以紫杉醇联合顺铂化疗方案(TP)化疗治疗,观察组加用三维适形放疗同步放化疗治疗,观察两组的临床疗效和不良反应。结果 观察组和对照组患者的总有效率分别为43.14%和21.57% (P<0.05),两组患者的总控制率分别为84.31%和66.67% (P<0.05)。两组患者Ⅲ～Ⅳ级胃肠道反应、白细胞减少、骨髓抑制的发生率差异无统计学意义(P>0.05),观察组比对照组增加了放射性肺炎和放射性食管炎的发生 (P<0.05)。两组患者生活质量比较,差异具有统计学意义(P＜0.05)。结论 同步放化疗治疗晚期NSCLC可以显著提高治疗的总有效率、肿瘤的控制率及生活质量,但也使不良反应增加,选择治疗方案时应根据个体情况综合考虑。

Objective To study the clinical efficacy of concurrent chemoradiotherapy in the treatment of advanced non small cell lung cancer (NSCLC). Methods 102 cases of advanced NSCLC treated in our hospital in 2014 were selected and randomly divided into the observation group and the control group. Patients in control group were treated by chemotherapy with Paclitaxel combined Cisplatin (TP), while those in observation group were treated by concurrent chemoradiotherapy with three- dimensional conformal radiotherapy and TP. The clinical efficacy and adverse reactions of the two groups were observed. Results The total effective rate of the observation group and the control group were 43.14% and 21.57% (P<0.05), respectively. The total control rate of the two groups were 84.31% and 66.67%(P<0.05). In two groups III ~ IV gastrointestinal tract reaction, leukopenia, bone marrow suppression occurrence had no statistical significance(P>0.05). Incidence of radiation pneumonitis and radiation esophagitis increased in observation group(P<0.05). The difference of quality of life between the two groups was statistically significant(P<0.05). Conclusion Concurrent radiotherapy and chemotherapy in the treatment ofadvanced non-small cell lung cancer(NSCLC)can not only significantly improve the treatment, tumor control rate and quality of life, but also make adverse reaction increased. Treatment options should be chosen based on individual circumstances into account

目的 追踪随访186例甲状腺微小乳头状癌(Papillary Thyroid Microcarcinoma,PMC)患者术后5年及10年的肿瘤复发率、生存率、及术后并发症,探讨不同手术方式对治疗甲状腺微小乳头状癌预后。方法 临床资料为1993—2003年收治的186例甲状腺微小乳头状癌患者,102例行患侧甲状腺大部分切除术(Ⅰ组),84例行患侧甲状腺全切术+峡部切除+对侧甲状腺大部分切除+中央区淋巴结清扫术(Ⅱ组)。结果 Ⅰ组患者术后5年及10年期间肿瘤复发率、生存率与Ⅱ组差别无统计学意义(P﹥0.05),对比I组,Ⅱ组患者术后发生甲状腺及甲状旁腺功能低下的发生率较高,且差别有统计学意义(P﹤0.05)。结论 甲状腺微小乳头状癌预后良好,实行患侧甲状腺大部分切除术对治疗甲状腺微小乳头状癌是安全可行的。

Objective To follow-up 186 cases of papillary thyroid microcarcinoma and analyse their tumor recurrence rate、survival rate and complicationg after 5 and 10 years postoperation, to investigate prognosis of papillary thyroid microcarcinoma from different operation approaches. Methods 186 cases of papillary thyroid microcarcinoma were from 1993 to 2003. All the patients were divided into two groups,102 cases(group Ⅰ) performed with resection of the majority of thyroid gland, and 84 caces(group Ⅱ) performed with total thyroidectomy, thyroidectomy+isthmus thyroidectomy+contralateral thyroid lobectomy+central lymph node ablation. Results The recurrence and survival rates after 5 and 10 years were not significantly different between the two groups, but compared group Ⅰ, the incidences of hypocalcemia and hypothyroidism were higher in group Ⅱ(P<0.05). Conclusion Papillary thyroid microcarcinoma had better prognosis. Resection of the majority of thyroid gland treating papillary thyroid microcarcinoma is safe and feasible.

目的 探讨注射用黄芪多糖对宫颈癌化疗患者骨髓抑制的影响。方法 选取2012年11月—2015年10月于我院接受治疗的宫颈癌患者110例,随机分为对照组和观察组,每组各55例,两组患者均接受紫杉醇联合顺铂同步放疗,而观察组患者在此基础上接受每日静脉滴注注射用黄芪多糖治疗,连续应用10天。对比分析两组患者的临床疗效以及治疗前后的血象。结果 经过治疗后,观察组的治疗总有效率为61.81%,明显高于对照组的38.18%,差异有统计学意义(P<0.05);两组患者经过放化疗后其白细胞、红细胞和血小板计数均有不同程度的降低,而与对照组相比,观察组患者下降不明显。结论 注射用黄芪多糖可以减轻宫颈癌放化疗所致的骨髓抑制,对骨髓具有一定的保护作用,在临床治疗宫颈癌的过程中值得推广应用。

Objective To explore the clinical effect of astragalus polysaccharides on protecting marrow suppression of cervical carcinoma after chemotherapy. Methods 110 cases of patients with cervical carcinoma treated in our hospital from November 2012 to October 2015 in our hospital were selected and divided into control group and observation group, each group contains 55 cases. Both groups of patients received radiotherapy and chemotherapy of paclitaxel combined with cisplatin, and the observation group additionally received intravenous injection of astragalus polysaccharides for 10 days, to compare the hemogram before and after treatments between two groups. Results After treatments, the total effective rate of the observation group was 61.81%, significantly higher than that of the control group, the difference was statistically significant (P<0.05); The white blood cell, red blood cell and platelet count reduced in two goups after treatment. Compared with the control group, there was no significant decrease in the observation group. Conclusion Astragalus polysaccharides injection may reduce the marrow suppression induced by radiotherapy and chemotherapy in the treatment of cervical cancer, and it has a protective effect on the bone marrow.

目的 探讨健康成人颈段气管的体外高频超声影像特点,为开展体外超声在检测颈段气管病变应用作前期研究。方法 应用体外高频超声观察120例健康成人颈段气管结构的声像表现,并对气管环T1-T4的内外横径、气管环厚度、相邻气管环间距进行测量和统计学分析。结果 120例志愿者均获得了颈段气管前、侧壁声像图,以及气管环T1-T4内外横径、气管环厚度、相邻气管环间距测值。结论 体外高频超声可以清晰显示气管形态和细微支撑结构,并进行部分径线测量,有望成为评估颈段气管病变的一种有价值的辅助手段。

Objective We investigated features of the healthy adult cervical tracheas in order to studying cervical tracheal lesions by extracorporeal high-frequency ultrasound EHFUS. Methods EHFUS examination of the trachea was performed in 120 asymptomatic adult volunteers. We observed imaging features of the healthy adult cervical tracheas, and measured TRID, TRED, TRTh and TRAS to analysis. Results The cervical tracheal anterior and side wall ultrasonograms, and measurements were obtained in all subjects. Conclusion The cervical tracheal shape and the fine structure of support can be seen in EHFUS, and partly of diameter measurements were obtained. Thus EHFUS may be a valuable assistant method to assess cervical tracheal lesions of support structure.

目的 探讨Bcl-2、COX-2在宫颈癌新辅助化疗前后表达的意义, 以及新辅助化疗(NACT)对宫颈癌的近期临床疗效。方法 对32例宫颈癌患者,采集NACT治疗前后的宫颈癌组织标本,采用免疫组织化学SP法检测组织中的Bcl-2及COX-2表达。结果 ①经NACT后,治疗总有效率(CR+PR)为75%,无效率(PD+SD)为25%。②宫颈癌组织中Bcl-2、COX-2的表达均出现明显下降,差异均有统计学意义(P<0.05);临床有效组中Bcl-2、COX-2的表达在NACT后出现显著下降(P<0.05),无效组中Bcl-2、COX-2的表达在NACT前后无明显统计学意义(P>0.05)。结论 Bcl-2、COX-2的表达情况对评价宫颈癌患者新辅助化疗效具有肯定的临床意义,宫颈癌行NACT后近期疗效良好。

Objective To investigate the expression of Bcl-2 and COX-2 in cervical cancer before and after neoadjuvant chemotherapy; To evaluate the efficacy of neoadjuvant chemotherapy(NACT) for cervical cancer in the recent clinical effects. Methods To select 32 cases of patients with cervical cancer, collect the cervical cancer tissues before and after NACT, immunohistochemical SP method was used to detect the expression of Bcl-2and COX-2 in the tissues. Results After neoadjuvant chemotherapy, total effective rate (CR+PR) was 75%(24/32), inefficient rate(PD+SD) was 25%(8/32). The expression of Bcl-2 and COX-2 of cervical cancer patients who had neoadjuvant chemotherapy (NACT), before and after, had great differences. The difference had statistical significance (P<0.05); The expression of Bcl-2 and COX-2 were significantly lower after neoadjuvant chemotherapy in clinical effective group(P<0.05), there is no statistical significance in clinical non-effective group(P>0.05). Conclusion The expression of Bcl-2 and COX-2 of cervical cancer patients has certain clinical significance in evaluating the effect of neoadjuvant chemotherapy in cervical cancer patients. Recent curative effect after NACT in the cervical cancer patients is good.

目的 探察老年冠心病无痛性心肌缺血的临床护理效果。方法 选取我院冠心病患者68例,按照护理方式的不同分为观察组与对照组,每组34例;对照组患者给予常规护理,观察组在对照组的基础上给予患者优质的临床护理;观察两组患者的临床护理效果。结果 临床护理后,两组患者的症状均有缓解,但观察组患者心肌缺血的发作次数、发作时间、ST段压低减少的次数及下移减少量显著优于对照组,结果差异有统计学意义(P＜0.05)。结论 对老年冠心病无痛性心肌缺血患者采用针对性合适的临床护理,缓解了患者的临床症状,减少了心肌缺血的发作次数,改善了患者的并发症,效果显著,值得推广。

目的 体外构建胶原—壳聚糖复合支架材料,分析其物理化学性质及生物相容性,探讨其应用于组织工程支架材料的可行性。方法 利用冷冻干燥的方法构建三维多孔的胶原支架材料,通过甲醛交联以及添加壳聚糖的方法改善其物理化学性能。通过体外降解实验以及电镜扫描的方法检测材料的各项物理化学指标;通过细胞接种的方法研究材料的生物相容性。结果 胶原—壳聚糖复合材料通过冷冻干燥的方法,能够获得稳定的三维多孔结构,电镜显示孔隙贯通,体外降解速度降低,并且能够支持细胞生长。理化性质分析显示该结构适合细胞生长,具有良好的生物相容性。结论 本课题体外构建胶原—壳聚糖复合支架材料,满足组织工程生物材料的理化以及生物相容性要求,为其应用于组织工程支架材料提供重要的依据。

Objective We build up the Collagen-Chitosan compound scaffold in vitro,and study the physical,chemical and biological properties,to analyze the feasibility in tissue engineering. Methods The three-dimensional porous scaffold was obtained by freezing-drying method,and optimized by using formaldehyde and Chitosan.We used hydrolysis in vitro and SEM scanning to investigate its physical and chemical properties.The biocompatibility of scaffold was analyzed in MEF cells. Results Collagen-Chitosan compound scaffold we obtained by freezing-drying method was a kind of stable 3D vesicular structure.The scaffold degenerated in decreased velocity in vitro.The physical and chemical properties showed that it was suitable for the cells grow in it,which suggested that it has a good biocompatibility. Conclusion This kind of Collagen-Chitosan compound scaffold is constructed.It's qualified by the physical and chemical properties,and biocompatibility which the biomaterials require.The evidence are important for its application in tissue engineering.

目的 设计并验证适合Beckman AU5811全自动生化分析仪试剂针和搅拌棒的交叉污染分析方法,找到产生的原因并制定有效的污染避免措施。方法 以反应盘内圈项目(ALT、TBIL、GGT、ALB、TBA、LDH1、CK、Cr、GLU、CO2、TC、HDL-C、APOA1、Ca 、Fe、Cu、HCY 、AFU、PA)作为实验项目,按设计的检测顺序进行交叉污染实验,各项目间的污染率以不超过95%～105%为判断标准。结果 内圈项目中TC、HCL-C对TBA分别存在试剂针和搅拌棒的污染,Ca对Cr存在搅拌棒的污染,Cu对Fe存在试剂针的污染,GGT、ALB、LDH1对CO2都有搅拌棒的污染,TC、TBIL对Cu也存在搅拌棒的污染。结论 采用该方法能有效快速地对Beckman AU5811生化分析仪上的所有项目进行交叉污染实验,确定交叉污染产生的关联项目并采取污染避免措施减少交叉污染,保证检验结果的准确。

Objective To design and verify an analytical method for the cross contamination of Beckman AU5811 automatic biochemical analyzer's reagent needle and stir bar and find the reasons, and make effective measures to avoid contamination. Methods Use the inner ring items (ALT,TBIL,GGT,ALB, TBA,LDH1,CK,Cr,GLU,CO2,TC,HDL-C,APOA1,Ca,Fe,Cu,HCY,AFU,PA) as theexperiment objects and do the cross contamination experiment according to the test order. The standard for the cross contamination level is limited to 95-105% among all items. Results TC and HCL-C were found to have contaminated TBA both in reagent needle and stir bar model, Ca contaminated Cr in the stir bar model; Cu contaminated Fe in the reagent needle model; GGT,ALB and LDH1 contaminated CO2 in stir bar model; TC and TBIL contaminated Cu in the stir bar model. Conclusion The method used in this experiment can effectively identify and analyze the cross contamination of all the items in Beckman AU5811 automatic biochemical analyzer. In addition, it can help to adopt corresponding measures to reduce cross contamination.

目的 观察改良INP方案对肺腺癌伴有脑转移患者的临床疗效及毒副作用,并探讨该方案疗效与Ⅲ型β微管蛋白(β-tubulin-Ⅲ)在肺癌组织中表达水平的关系。方法 收集2010年4月—2013年1月广州医科大学附属第一医院胸外科收治的15例肺腺癌伴有脑转移患者的临床资料。所有患者均采用改良INP方案治疗,使用RECIST 1.0标准进行判定。结果 脑转移瘤取得CR 1例(1/15),PR 5例(5/15),SD 4例(4/15),PD 5例 (5/10),该方案对脑转移瘤的总缓解率(overall response rate,ORR)为40%,疾病控制率(disease control rate,DCR)达66.7%,毒副作用轻度可控;Ⅲ型β微管蛋白低表达对该方案的疗效有优于高表达的趋势。结论 肺腺癌伴有脑转移患者采用改良INP方案进行化疗,脑转移瘤临床疾病控制率较高,耐受性良好;肿瘤组织β-tubulin-Ⅲ表达水平可能与该方案的疗效相关。

Objective To investigate the efficacy and toxicity of chemotherapy of modified INP regimen in the treatment of adenocarcinoma with brain metastases. At the same time,to explore the relationship between expression of β-tubulin-Ⅲ in NSCLC biopsies and sensitivity to this modified INP regimen. Methods The clinical data of 15 adenocarcinoma with brain metastases patients who had been admitted to the first affiliated hospital of Guangzhou medical university from April 2010 to January 2013 were retrospectively analyzed. All patients received modified INP regimen.RECIST 1.0 was taken to know the result. Results For brain metastasis of the 15 patients, complete response (CR) and partial response(PR) were 1 and 5 patients, respectively. 4 patients were stable disease (SD) and progression disease(PD) in 5 patients. The overall response rate(ORR) was 40% and the disease control rate(DCR) was 66.7%. The toxicity was mild. Furthermore, we found NSCLC patients with low β-tubulin-Ⅲexpression had better ORR than those with high expression. Conclusion The modified INP regimen is effective and well-tolerable for brain metastases of adenocarcinoma. The β-tubulin-Ⅲ expression may be associated with the efficacy of this regimen.

目的 观察葛根素对新西兰白兔视网膜缺血/再灌注损伤组织中细胞凋亡的保护作用。方法 新西兰白兔30只随机分为缺血再灌注对照组和葛根素治疗实验组,各组右眼应用前房灌注加压法建立视网膜缺血再灌注模型,分别于再灌注后第12、24、72 h处死动物,摘除眼球,制作石蜡切片,用TUNEL法检测细胞凋亡,计算凋亡指数。结果 对照组缺血再灌注12 h在神经节细胞层和内核层可见凋亡细胞;24 h神经节细胞层细胞数有所减少,视网膜神经节细胞层、内核层及外核层均见凋亡细胞明显增多;72 h神经节细胞层细胞数明显减少,神经节细胞层、内核层及外核层仍见凋亡细胞,但较24 h有所减少。葛根素治疗视网膜的凋亡细胞在各个时间段的表达规律与对照组相似,但凋亡细胞计数在12 h,24 h,72 h均较对照组明显减少,两组间差异有统计学意义。结论 葛根素能减轻缺血-再灌注损伤的视网膜细胞凋亡,对视网膜有保护作用。

Objective To observe the protective effects of Puerarin on apoptosis of ischemic injury in rabbit retina. Methods Retinal ischemia was induced in rabbits by increasing intraocular pressure to 120 mmHg for 60 minutes. TdT-mediated biotin-dUTP nick end labelling(TUNEL) staining technique was used to examine the apoptosis of retinal ganglion cells in the control group and the puerarin treatment group. Results The number of apoptotic cells in 12, 24 and 72h after reperfusion in the puerarin treatment group was obvious lower than that in the control group(P<0.05). Conclusion Puerarin has protective effects in protecting against apoptosis in ischemia reperfusion injury of rabbit retina.