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| 1 | History,progress and future challenges of artificial blood vessels:a narrative review显示文摘Cardiovascular disease serves as the leading cause of death worldwide,with stenosis,occlusion,or severe dysfunction of blood vessels being its pathophysiological mechanism.Vascular replacement is the preferred surgical option for treating obstructed vascular structures.Due to the limited availability of healthy autologous vessels as well as the incidence of postoperative complications,there is an increasing demand for artificial blood vessels.From synthetic to natural,or a mixture of these components,numerous materials have been used to prepare artificial vascular grafts.Although synthetic grafts are more appropriate for use in medium to large-diameter vessels,they fail when replacing small-diameter vessels.Tissue-engineered vascular grafts are very likely to be an ideal alternative to autologous grafts in small-diameter vessels and are worthy of further investigation.However,a multitude of problems remain that must be resolved before they can be used in biomedical applications.Accordingly,this review attempts to describe these problems and provide a discussion of the generation of artificial blood vessels.In addition,we deliberate on current state-of-the-art technologies for creating artificial blood vessels,including advances in materials,fabrication techniques,various methods of surface modification,as well as preclinical and clinical applications.Furthermore,the evaluation of grafts both in vivo and in vitro,mechanical properties,challenges,and directions for further research are also discussed. | Ke Hu Yuxuan Li Zunxiang Ke Hongjun Yang Chanjun Lu Yiqing Li Yi Guo Weici Wang | 2022 | Biomaterials Translational2022,3,1: | 3 |
| 2 | Study on Information Exchange Platform for Port Logistics Based on Web Services显示文摘Information exchange platform(IEP)for port logistics is used to realize data transmission among different sys- tems and districts by Internet.This paper presents the web services technology used in transferring information for port logistics. The system architecture based on J2EE and B/S mode frame has been constructed to subscribe the distributed information.To en- sure platform independent,extensible markup language(XML)integration technology was also used in the system design. | ZHANG Chanjun YANG Mingzhong GUO Shunsheng School of Mechatronic Engineering,Wuhan University of Technology,Wuhan 430070,China, | 2006 | 武汉理工大学学报2006,28,S3: | 2 |
| 3 | A review of exoskeleton-type systems and their key technologies 显示文摘 | Yang Chanjun Zhang Jiafan Chen Ying | 2008 | Journal of Mechanical Engineering Science2008,222,8: | 1 |
| 4 | Prognostic factors for patients with limited-stage small-cell lung cancer without receiving prophylactic cranial irradiation显示文摘Objective:This retrospective study aims to explore the risk factors for brain metastasis and the prognostic factors for overall survival(OS)in patients with limited-stage small-cell lung cancer(LS-SCLC)who have no brain metastases according to magnetic resonance imaging(MRI)and have not received prophylactic cranial irradiation(PCI)after first-line chemoradiotherapy.Methods:A total of 107 patients who were treated in the Fourth Hospital of Hebei Medical University from January 2013 to December 2017 were enrolled in this study.The patients were treated with etoposide/platinum chemotherapy and thoracic radiotherapy(TRT)with involved-field irradiation.The median dose of the radiotherapy was 60 Gy(50-64 Gy).The primary study endpoints include BMFS(brain-metastasis-free survival)and OS(overall survival).The Kaplan-Meier method was applied to estimate survival,with a log-rank test used to ascertain statistical significance.The multivariate Cox proportional hazards model was used to determine the prognostic factors for survival.Results:The median follow-up of all patients was 18.8 months(range:7.9–65.1 months)and the median follow-up of surviving patients was 26.7 months(range:18.8–65.1 months).The median OS of the whole cohort was 20.1 months,and the 1-,2-and 3-year OS rates were 84.9%,44.9%,and 25.9%,respectively.The 1-,2-,and 3-year BMFS rates were 69.0%,49.9%,and 40.7%,respectively.50 patients(46.7%)developed brain metastases during the follow-up period,and the median time from the start to brain metastasis was 10.7 months(range:4.8–31.1 months).As shown by multivariate analysis,independent prognostic factors of OS included cycles of chemotherapy(P=0.019),the response to initial treatment(P=0.011),and the start time of TRT(P=0.044).The independent prognostic factors of BMFS included the clinical stage(P=0.008),the response to initial treatment(P=0.024),and the start time of TRT(P=0.028).Conclusions:For patients with LS-SCLC who have not received PCI,favorable factors for lower brain metastasis and higher survival include early clinical stage,CR to initial chemoradiotherapy,early TRT,and adequate cycles of chemotherapy.PCI is still recommended as the standard modality since the incidence of brain metastases was high(46.7%). | Cuimin Ding Jing Li Shuoshuo Wang Chen Yang Rui Zhang Wenwen Bai Ming Liu Chanjun Zhen Xueying Qiao | 2020 | Radiation Medicine and Protection2020,1,2: | 0 |