Objective To analyze published literature about the clinical studies on elective single versus double embryo transfer using meta-analysis, so as to provide more convincing evidence for the clinical application of elective single embryo transfer. Methods We electronically searched foreign and domestic biomedical databases including PubMed, Ovid, EMbase, MEDLINE and CENTRAL, to collect randomized controlled trials (RCTs) on elective single versus double embryo transfer. According to Cochrane systematic review method, two reviewers independently screened studies according to inclusion and exclusion criteria, extracted data, and assessed methodological quality of the included studies. Then, meta-analysis was performed using RevMan 5.1 software. Results A total of 9 RCTs involving 2 784 cases were included, of which, 1 452 were in the trial group while the other 1 332 were in the control group. The results of meta-analysis indicated that, compared with elective double embryo transfer, during each transfer period elective single embryo transfer reduced the live birth rate (RR=0.66, 95%CI 0.59 to 0.73, Plt;0.000 01), multiple pregnancy rate (RR=0.05 95%CI 0.02 to 0.11, Plt;0.000 01), preterm birth rate (RR=0.39, 95%CI 0.26 to 0.60, Plt;0.000 1), and low birth weight rate (RR=0.25, 95%CI 0.15 to 0.44, Plt;0.000 01). However, it had no effect on the ectopic pregnancy rate (RR=0.55, 95%CI 0.11 to 2.77, P=0.47), miscarriage rate (RR=1.33, 95%CI 0.92 to 1.91, P=0.13), and neonatal mortality rate (RR=0.31, 95%CI 0.03 to 2.76, P=0.29). Conclusion Compared with elective double embryo transfer, during each transfer period elective single embryo transfer reduces the live birth rate, multiple pregnancy rate, preterm birth rate, and low birth weight rate. No significant difference was found between the two groups in the other indicators.
目的:探讨锁骨中段骨折最适内固定方式。方法:总结1990年1月～2007年6月426例锁骨中段骨折采用钢丝、克氏针、钢板内固定治疗，术后随访6个月～12个月，对不同内固定疗效进行评估。结果:钢丝固定53例，固定失败18例，优良率66.04%；克氏针固定97例，固定失败12例，优良率87.63%；钢板固定276例，固定失败19例，优良率93.12%。结论:钢丝固定锁骨中段骨折不确切，克氏针固定适应症窄，钢板内固定可靠，对抗上肢旋转剪力、内外张力，有利于骨折愈合和锁骨功能的早期建立。在应用的四种类型钢板中:解剖钢板、重建钢板术后并发症少，是治疗锁骨中段骨折较为理想的内固定方式。
目的：探讨高龄老人临终治疗方式和地点需求的选择，为临床更好的开展临终关怀护理服务，提高患者生存质量，建立完善的临终关怀服务体系提供科学依据。方法：结合相关量表自行设计问卷对204名80岁以上的住院患者进行调查。结果：在选择临终治疗方式时，依次为对症治疗、听取医生的安排、选择不治疗、希望继续高技术治疗、听取子女们的安排。选择临终地点时，依次为愿意在医院、在家中和在养老院渡过生命的最后时光。结论：高龄老人的临终需求是多元化的，因此，在临床工作中应针对不同的需求提供个性化护理。
Objective To evaluate the therapeutic effect of selective paraesophagogastric devascularization withoutsplenectomy in treatment of portal hypertension with upper gastrointestinal hemorrhage. Methods The clinical data of 27 patients who received selective paraesophagogastric devascularization without splenectomy from 2008 to 2011 were retrospectively analyzed. The hemogram， hepatic function， perioperative compliations， and free portal pressure （FPP） were observed. The patients were followed-up and the re-bleeding rate and survival rate were observed. Results The FPP decreased significantly（P＜0.05） after operation. The complication rate was 33.3%（9/27） after operation， including2 cases（7.4%） stress ulcer bleeding， 1 case （3.7%） acute bleeding portal hypertensive gastropathy， 1 case （3.7%） deep venous thrombosis， 1 case （3.7%） acute lung injury， 1 case （3.7%） death of hepatic encephalopathy， 3 cases（11.1%） new onset portal vein thrombosis. Twenty-four patients were followed up for an average of 27 months （8-57 months）. The overal survival rate was 92.6% （25/27）. Conclusion Selective paraesophagogastric devascularization without splenectomy is an effective method for treatment of portal hypertension with upper gastrointestinal hemorrhage.
目的 评价术前立体超选择性动脉灌注化疗在ⅡB～ⅢA期乳腺癌保留乳房手术中的价值。方法 36例乳腺癌患者，其中ⅡB期10例、ⅢA期26，术前采用立体超选择性动脉灌注丝裂霉素、表阿霉素和5-氟尿嘧啶，化疗后再进行手术。结果 36例患者灌注化疗后病灶缓解32例，好转3例，无明显变化1例; 缓解率达88.9%（32/36），该32例患者肿瘤直径均缩小到2 cm以下，获得保乳手术机会。结论 术前立体超选择性动脉灌注化疗可使局部晚期乳腺癌降期获得保乳机会。
ObjectiveTo study the function of selectin in the pathogenesis and advancement of acute pancreatitis(AP), so as to guide further investigation and clinical treatment. MethodsCorrelative articles in recent years were reviewed. ResultsSelectins act as an indicator of the activation of endothelium. Their expression changes markedly during AP and is closely related to cytokines, oxygen free radicals and complements. Conclusion Selectin is a component which is engaged in the pathology of AP, the level of selectin is useful in guiding clinical observation and treatment.
Objective To investigate the clinical choice on graft size and the type of donor’s hepatectomy in adult living related partial liver transplantation. Methods The literatures in recent years on the donor’s evaluation, the size of liver grafts, the types of donor hepatectomy and safety of donor in adult living related partial liver transplantation were reviewed.Results The size of liver graft is a crucial factor related to the safety of donor and the prognosis of the recipient. GW/ESLW≥30%, GW/BW≥0.8% may be the lowest limits. Left lobe contained middle hepatic vein, extended left lobe with leftside caudle lobe, right lobe or extended right lobe contained middle hepatic vein may be the practical choice.Conclusion It is important to make a reasonable choice of liver graft according to the estimation of GW/ESLW or GW/BW, and the anatomy of liver in adult living related partial liver transplantation.
近年来，胆石症的发病谱已发生了根本性的变迁，一些大城市的胆囊结石发病率逐步增加，过去常见的肝内胆管结石已明显减少； 但多数地区肝内胆管结石发病率仍较高，仍是我国的常见病之一，其治疗也仍是胆道外科中的困难问题。运用现代肝脏外科手术技术，处理肝门部和肝内胆管及血管，获得良好的显露，基本上可达到“解除梗阻，去除病灶，通畅引流”的肝胆管结石外科治疗原则。由于肝内胆管结石本身的复杂性，目前尚无一种手术方式可使所有患者获得满意效果，因此，应根据患者的实际情况采用“个体化治疗方案”。常用的手术方法有胆管探查取石、胆肠引流、肝叶切除术等。根据病情、患者的身体素质、技术条件和病变的性质等综合考虑来决定术式。
Objective To study the change in serum levels of soluble CD14, tumor necrosis factor-α, E-selectin, interleukin-10 and mean arterial pressure, as well as their relationship to infection during the pathophysiologic process in endotoxemia of rabbits. Methods Sixteen rabbits were randomly divided into two groups: group A, as a control group; group B, endotoxemia group. The model of rabbit with endotoxemia were used. Endotoxin at a dose of 1.5 mg/(kg·h) or 3 mg/(kg·h) was continuously infused through external jugular vein within 2 hours, 1 hour respectively. The change of levels of serum soluble CD14, tumor necrosis factor-α, interleukin-10 and E-selectin were observed at 0 (time before infusion of endotoxin), 30, 60, 120, 180, 240, 300 minutes, while mean arterial pressure was measured by polygraphy system. Results In the group B,there was an increase of content of soluble CD14,tumor necrosis factor-α,interleukin-10 and E-selectin following 30, 120 minutes respectively,and mean arterial pressure was lower than that of group A at same time points. Conclusion The results suggest that soluble CD14,tumor necrosis factor-α,interleukin-10 and E-selectin may play an important role during the change of infection and that these changes may be closely related with severe infection.