补肾活血液对去势雌鼠骨质疏松的影响

目的：研究补肾活血液对模型大鼠骨质疏松的影响及其机制，为临床中医药治疗骨质疏松提供实验依据。方法：ＳＤ雌性大鼠５０只，随机分为５组：正常组，模型加生理盐水组，雌激素组，中药高，低剂量组。采用切除卵巢诱导的骨质疏松模型，用灌胃法给服补肾活血液，并以尼尔雌醇及生理盐水作为对照。     

复方仙酥胶囊联合化疗治疗中晚期胃癌的临床研究

目的：探讨复方仙酥胶囊配合化疗治疗中晚期胃癌的疗效及机理。方法：以复方仙酥胶囊配合化疗治疗６１例中晚期胃癌患者，并与单纯化疗３０例作对照，观察两组有效率、细胞免疫功能等。结果：对带瘤患者治疗组有效率为３２８％，对照组为１３３％（Ｐ＜００５），而毒副反应发生率治疗组低于对照组（Ｐ＜００１）。治疗组患者ＣＤ８下降，ＣＤ４／ＣＤ８升高，说明复方仙酥胶囊对Ｔ细胞免疫功能有调节作用。结论：复方仙酥胶囊对化疗有增效减毒作用，其调节细胞免疫功能可能是取得疗效机理之一。     

复方丹参注射液对急性脑出血的疗效分析

目的：观察复方丹参注射液治疗急性脑出血患者的临床疗效。方法：治疗组３０例和对照组２０例均为急性脑出血患者,２组基础疗法相同,治疗组早期加用复方丹参注射液,分别对２组治疗前后进行神经功能缺损评分、比较。结果：治疗组总有效率为９３．３％,明显高于对照组７０．０％,２组比较有显著差异（χ２＝４．８６１,Ｐ＜０．０５）。结论：复方丹参注射液能有效地对抗脂质过氧化损伤,改善脑组织的微循环,加快血肿吸收,早期使用可降低急性脑出血患者的病死率和致残率     

Plackett-Burman设计联用星点设计-响应面法优选大青叶中靛玉红的提取工艺

目的运用Plackett-Burman实验设计联用星点设计-响应面法(CCD-RSM)筛选超声-微波协同提取大青叶中靛玉红的提取工艺。方法运用Plackett-Burman实验设计筛选主要影响因素,采用CCD-RSM优选靛玉红的提取工艺。以乙醇体积分数、料液比、提取时间为自变量,靛玉红提取量为因变量,通过对自变量与因变量的完全2次响应曲面的回归拟合,利用三维曲面图直观分析大青叶中靛玉红提取最佳工艺,并进行预测分析。结果靛玉红的最佳提取工艺为乙醇体积分数为62%,液料比为26,提取时间为9 min。在此最佳条件下,大青叶中靛玉红提取量的最大估计值为4.37 mg/g,实验结果与模型预测值相符。结论利用Plackett-Burman实验设计联用CCD-RSM确定了大青叶中靛玉红的提取工艺,该方法简便,精度更高、重现性好、预测性强。     

可长时间缓释骨形态发生蛋白2的聚己内酯复合支架的制备及应用

目的 制备一种可长时间缓释骨形态发生蛋2(BMP-2)的聚己内酯(PCL)复合支架,并通过检测其对人源骨髓间充质于细胞(BMSC)成骨分化的影响探讨其在骨组织工程中的应用.方法 将磷脂(PL)和BMP-2混合形成的BMP-2/PL混合物(B/P)分散在二氯甲烷中,与PCL混合后,采用相分离法制备负载BMP-2的三维PCL-B/P复合支架和PCL-B传统支架,通过酶联免疫吸附试验(ELISA)检测两种支架的BMP-2缓释效果.将BMSC种植在PCL-B传统支架和PCL-B/P复合支架中,分别采用CCK-8法和实时定量PCR(qPCR)检测两种支架上BMSC的增殖和成骨分化能力.结果 与PCL-B传统支架对比,PCL-B/P复合支架对BMP-2缓释效果更佳,缓释时间更长,可达22 d.在BMSC培养的第7、14和21天,PCL-B/P复合支架上BMSC的增殖能力均优于PCL-B传统支架(P＜0.05),且PCL-B/P复合支架上BMSC中碱性磷酸酶和Ⅰ型胶原蛋白、骨钙、骨桥蛋白3种成骨基因mRNA的表达均高于PCL-B传统支架(P＜0.05,P＜0.01).结论 成功地制备出一种可长时间缓释BMP-2的高分子三维PCL-B/P复合支架,其较PCL-B传统支架能更好地诱导BMSC的增殖和成骨分化.     

Living Donor Uterus Transplant and Surrogacy: Ethical Analysis According to the Principle of Equipoise

The uterus is the most recent addition to the list of organs that can be successfully transplanted in humans. This article analyzes living donor uterus transplantation according to the ethical principle of equipoise. A comparison is made between living donor uterus transplantation and gestational surrogate motherhood. Both are solutions to absolute uterine infertility that allow the transfer of genetic material from intended parents to a child. The analysis concludes that living donor uterus transplantation does not violate the ethical principle of equipoise and should be considered an ethically acceptable solution to absolute uterine infertility.     

Living Donor Uterus Transplantation: A Single Center's Observations and Lessons Learned From Early Setbacks to Technical Success

Uterus transplantation is a vascularized composite allograft transplantation. It allows women who do not have a uterus to become pregnant and deliver a baby. In this paper, we analyze the first five cases of living donor uterus transplantation performed in the United States. The first three recipients lost their uterus grafts at days 14, 12, and 6, respectively, after transplant. Vascular complications, related to both inflow and outflow problems, were identified as the primary reason for the graft losses. Two recipients, at 6 and 3 mo, respectively, after transplant, have functioning grafts with regular menstrual cycles. Ultimate success will be claimed only after a live birth. This paper is an in‐depth analysis of evaluation, surgical technique, and follow‐up of these five living donor uterus transplants. The lessons learned were instrumental in allowing us to evolve from failure to technical and functional success. We aim to share our conclusions and build on knowledge in the evolving field of uterus transplantation.     

Penile transplantation: an emerging option for genitourinary reconstruction

Penile transplantation is an emerging option for patients with severe genital defects not amenable to traditional reconstructive options. In this article, we discuss the burgeoning problem of severe male genitourinary trauma in the military, the limitations of traditional reconstructive options in addressing these problems, and the potential for penile transplantation to provide improved outcomes. We also review the preclinical research and limited worldwide experience with penile transplantation to date, including lessons learned, and discuss the many important technical, logistical, and ethical considerations pertaining to penile transplantation that must be addressed to maximize the likelihood of successful implementation.     

Patellar Cut and Composite Thickness: The Influence on Postoperative Motion and Complications in Total Knee Arthroplasty

Background

Little data exist on the influence of patellar thickness on postoperative motion or complications after total knee arthroplasty (TKA). This study addresses the following questions: Is postoperative motion influenced by change in composite patellar thickness? Is change in patellar thickness associated with more complications? And do more complications occur in the knees with a patellar bone remnant (<12 mm) and a native patellar thickness <18 mm?

不同复合树脂对牙体组织固化深度及黏结强度的影响

目的:探讨不同复合树脂对牙体的固化深度和黏结度的影响,为临床选择合适的树脂修复牙体提供依据.方法:选取离体磨牙90颗,随机分成3组,分别用Esthet-X、Charisma和Z3503种复合树脂修补,每组再次随机分2组分别用卤素灯、LED光固化灯固化,使用Single Bond黏结剂黏结,测量固化深度及黏结强度.结果:3种复合树脂的固化深度差异有统计学意义(P<0.01).Esthet-X复合树脂和Charisma复合树脂的卤素光固化灯及LED光固化灯固化深度均高于Z350(P<0.01).3种复合树脂LED光固化灯固化深度好于卤素灯(P<0.01).3种复合树脂的黏结强度差异有统计学意义(P<0.01),黏结强度依次为Esthet-X>Charisma>Z350(P<0.05).结论:3种复合树脂对牙体的固化深度不同,Esthet-X、Charisma复合树脂固化深度好于传统的Z350树脂,LED光固化灯固化深度好于卤素灯.使用同种黏结剂,Esthet-X复合树脂黏结强度最好,Charisma复合树脂次之,Z350最差.