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1Towards 6G wireless communication networks:vision,enabling technologies,and new paradigm shifts显示文摘The fifth generation(5G)wireless communication networks are being deployed worldwide from 2020 and more capabilities are in the process of being standardized,such as mass connectivity,ultra-reliability,and guaranteed low latency.However,5G will not meet all requirements of the future in 2030 and beyond,and sixth generation(6G)wireless communication networks are expected to provide global coverage,enhanced spectral/energy/cost efficiency,better intelligence level and security,etc.To meet these requirements,6G networks will rely on new enabling technologies,i.e.,air interface and transmission technologies and novel network architecture,such as waveform design,multiple access,channel coding schemes,multi-antenna technologies,network slicing,cell-free architecture,and cloud/fog/edge computing.Our vision on 6G is that it will have four new paradigm shifts.First,to satisfy the requirement of global coverage,6G will not be limited to terrestrial communication networks,which will need to be complemented with non-terrestrial networks such as satellite and unmanned aerial vehicle(UAV)communication networks,thus achieving a space-airground-sea integrated communication network.Second,all spectra will be fully explored to further increase data rates and connection density,including the sub-6GHz,millimeter wave(mmWave),terahertz(THz),and optical frequency bands.Third,facing the big datasets generated by the use of extremely heterogeneous networks,diverse communication scenarios,large numbers of antennas,wide bandwidths,and new service requirements,6G networks will enable a new range of smart applications with the aid of artificial intelligence(AI)and big data technologies.Fourth,network security will have to be strengthened when developing 6G networks.This article provides a comprehensive survey of recent advances and future trends in these four aspects.Clearly,6G with additional technical requirements beyond those of 5G will enable faster and further communications to the extent that the boundary between physical and cyber worlds disappears.Xiaohu YOU Cheng-Xiang WANG Jie HUANG Xiqi GAO Zaichen ZHANG Mao WANG Yongming HUANG Chuan ZHANG Yanxiang JIANG Jiaheng WANG Min ZHU Bin SHENG Dongming WANG Zhiwen PAN Pengcheng ZHU Yang YANG Zening LIU Ping ZHANG Xiaofeng TAO Shaoqian LI Zhi CHEN Xinying MA Chih-Lin I Shuangfeng HAN Ke LI Chengkang PAN Zhimin ZHENG Lajos HANZO Xuemin(Sherman)SHEN Yingjie Jay GUO Zhiguo DING Harald HAAS Wen TONG Peiying ZHU Ganghua YANG Jun WANG Erik GLARSSON Hien Quoc NGO Wei HONG Haiming WANG Debin HOU Jixin CHEN Zhe CHEN Zhangcheng HAO Geoffrey Ye LI Rahim TAFAZOLLI Yue GAO HVincent POOR Gerhard P.FETTWEIS Ying-Chang LIANG 2021Science China(Information Sciences)2021,64,1:122
2Multimodality treatment in hepatocellular carcinoma patients with tumor thrombi in portal vein显示文摘AIM To compare the therapeutic effect andsignificances of multimodality treatment forhepatocellular carcinoma (HCC) with tumorthrombi in portal vein (PVTT).METHODS HCC patients (n = 147) with tumortrombi in the main portal vein or the first branchof portal vein were divided into four groups bythe several therapeutic methods. There wereconservative treatment group in 18 out ofpatients (group A); and hepatic artery ligation(HAL) and/or hepatic artery infusion (HAl)group in 18 patients (group B), in whompostoberative chemoembolization was doneperiodically; group of removal of HCC with PVTTin 79 (group C) and group of transcatheterhepatic arterial chemoembolization (TACE) orHAl and/or portal vein infusion (PVI) afteroperation in 32 (group D).RESULTS The median survival period was 12months in our series and the 1-, 3-, and 5-yearsurvival rates were 44.3%, 24.5% and 15.2%,respectively. The median survival times were 2,5, 12 and 16 months in group A, B, C and D,respectively. The 1-, 3- and 5-year survival rateswere 5.6%, 0% and 0% in group A; 22.2%,5.6% and 0% in group B; 53.9%, 26.9% and16.6% in group C; 79.3%, 38.9% and 26.8% ingroup D, respectively. Significant differenceappeared in the survival rates among the groups(P<0.05).CONCLUSION Hepatic resection with removalof tumor thrombi and HCC should increase thecurative effects and be encouraged for theprolongation of life span and quality of life forHCC patients with PVTT, whereas the besttherapeutic method for HCC with PVTT is withregional hepatic chemotherapy orchemoemblization after hepatic resection withremoval of tumor thrombi.Jia Fan Zhi Quan Wu Zhao You Tang Jian Zhou Shuang Jian Qiu Zeng Chen Ma Xin Da Zhou Sheng Long Ye Liver Cancer Institute, Zhongshan Hospital, Fudan University Medical Center (Former Shanghai University), 136 Yixueyuan Road, Shanghai 200032, China 2001World Journal of Gastroenterology2001,7,1:80
3The Genome of Dendrobium officinale Illuminates the Biology of the Important Traditional Chinese Orchid Herb显示文摘Liang Yan Xiao Wang Hui Liu Yang Tian Jinmin Lian Ruijuan Yang ShumeiHao Xuanjun Wang Shengchao Yang Qiye Li Shuai Qi Ling Kui Moses Okpekum Xiao Ma Jiajin Zhang Zhaoli Ding Guojie Zhang Wen Wang Yang Dong Jun Sheng 2015Molecular Plant2015,8,6:64
4Dual Functions of Microglia in Ischemic Stroke显示文摘Ischemic stroke is a leading cause of morbidity and mortality worldwide. Resident microglia are the principal immune cells of the brain, and the first to respond to the pathophysiological changes induced by ischemic stroke. Traditionally, it has been thought that microglial activation is deleterious in ischemic stroke, and therapies to suppress it have been intensively explored. However,increasing evidence suggests that microglial activation is also critical for neurogenesis, angiogenesis, and synaptic remodeling, thereby promoting functional recovery after cerebral ischemia. Here, we comprehensively review the dual role of microglia during the different phases of ischemic stroke, and the possible mechanisms controlling the post-ischemic activity of microglia. In addition, we discuss the dynamic interactions between microglia and other cells, such as neurons, astrocytes, oligodendrocytes,and endothelial cells within the brain parenchyma and the neurovascular unit.Chuan Qin Luo-Qi Zhou Xiao-Tong Ma Zi-Wei Hu Sheng Yang Man Chen Dale B. Bosco Long-Jun Wu Dai-Shi Tian 2019Neuroscience Bulletin2019,35,5:64
5Major causes of fever of unknown origin at Peking Union Medical College Hospital in the past 26 years显示文摘SHI Xiao-chun LIU Xiao-qing ZHOU Bao-tong ZHANG Li-fan MA Xiao-jun DENG Guo-hua LI Tai-sheng SHENG Rui-yuan WANG Ai-xia 2013Chinese Medical Journal2013,,5:47
6Apoptosis induced by norcantharidin in human tumor cells显示文摘INTRODUCTIONThe antitumor activity of norcantharidin (NCTD),the demethylated analogue of cantharidin,wasstudied in the early 1980s in China.NCTD has noside effects on urinary organs which cantharidin hasshown and is easier to synthesize,and it can inhibitthe proliferation of several tumor cell lines as wellas transplanted tumors.Clinical trials with NCTD asa monotherapeutic agent indicated that NCTD hadbeneficial effects in patients with different kindsZhen Xiao Sun Qing Wen Ma Tian De Zhao Yu Lin Wei Guang Sheng Wang Jia Shi Li 2000World Journal of Gastroenterology2000,6,2:31
7高效液相色谱/氢化物发生/原子荧光快速检测尿砷形态显示文摘本文对砷形态分析方法进行了评述。提出了人尿中 As( )、As( )、一甲基砷( MMA)和二甲基砷 ( DMA)的快速、灵敏的形态分析方法。方法基于在 1 5cm长、3μm粒径的 HPL C柱上快速分离不同形态的砷后以灵敏的氢化物发生 /原子荧光检测。常见砷的四种形态的分析只须 4min即可完成 ,检出限在μg/L级。标准样品尿中砷的形态分析结果和标准值吻合很好。本法已应用于摄取砷糖前、后所采集的尿样中砷的形态分析研究。砷糖普遍存在于海藻、牡蛎、贻贝和蚌等海产品中。食用这些含有胂糖的食品后 ,尿液中的 DMA显著增加。环境和职业砷暴露的生物标志物 ( Biomarker)常基于尿液中无机砷及其代谢产物 MMA和 DMA的测定。砷糖的摄入影响这类生物标志物的可靠性 。Ming sheng Ma X.Chris Le 胡斌 江祖成 2000分析科学学报2000,16,2:27
8Telomerase activity in gastric cancer and its clinical implications显示文摘INTRODUCTIONThedevelopmentofcarcinomaresultsfrommultipleindependentgeneticchangesthatactivateprotooncogenesorinactivatetheac...ZHAN Wen Hua, MA Jin Ping, PENG Jun Sheng, GAO Jing Song, CAI Shi Rong, WANG Jian Ping, ZHENG Zhang Qing and WANG Lei 1999World Journal of Gastroenterology1999,5,4:25
9Report on Childhood Obesity in China (9): Sugar-sweetened Beverages Consumption and Obesity显示文摘Objective To explore the associations between sugar-sweetened beverage (SSB) consumption and obesity as well as obesity-related cardiometabolic disorders among children in China. Methods A total of 6974 (boys 3558, girls 3412) children aged 6-13 years participated in the study. Each participant's height, weight, waist circumference, fasting glucose, triglycerides, total cholesterol, high- density lipoprotein cholesterol, and low-density lipoprotein cholesterol were measured. The type of beverage consumption was determined using a self-administered questionnaire. Results SSBs were consumed regularly by 46.1% of the children. The prevalence [adjusted odds ratio (95% confidence internal (CI)] of obesity was 7.6% [as the reference group (ref.)], 10.1% [1.36(1.07, 1.74)], and 11.6% [1.46(1.21, 1.75)], among children who regularly drank milk, other beverages and SSBs, respectively. Regularly drinking SSBs elevated the likelihood of abdominal obesity [adjusted odds ratio (95% CI): 1.36 (1.17, 1.59)]. The prevalence [adjusted odds ratio (95% CI)] of obesity among children who regularly drank sports/caloric beverages, carbonated beverages, sweet tea, and plant protein beverages was 16.8% [2.00(1.31, 3.07)], 12.7% [1.52(1.23, 1.88)], 11.5% [1.52(1.18, 1.95)], and 10.4% [1.41(1.03, 1.94)], respectively, which was higher than that of regular milk drinkers [7.6 % (ref.)]. The prevalence [adjusted odds ratio (95% CI)] of abdominal obesity among children who regularly drank sweet tea, fruit/vegetable juices, and carbonated beverages was 17.7% [1.55(1.26, 1.90)], 16.2% [1.36(1.09, 1.70)], and 15.3% [1.24(1.03, 1.50)], respectively, which was much higher than that of regular milk drinkers [12.8% (ref.)]. Conclusions Regular SSB consumption was positively related to obesity and abdominal obesity. This relationship should be investigated further using a longitudinal study design.SHANG Xian Wen LIU Ai Ling ZHANG Qian HU Xiao Qi DU Song Ming MA Jun XU Gui Fa LI Ying GUO Hong Wei DU Lin LI Ting Yu MA Guan Sheng 2012Biomedical and Environmental Sciences2012,25,2:23
10Climate and litter C/N ratio constrain soil organic carbon accumulation显示文摘Soil organic carbon(SOC) plays critical roles in stabilizing atmospheric CO2 concentration, but the mechanistic controls on the amount and distribution of SOC on global scales are not well understood. In turn, this has hampered the ability to model global C budgets and to find measures to mitigate climate change. Here, based on the data from a large field survey campaign with 2600 plots across China’s forest ecosystems and a global collection of published data from forested land, we find that a low litter carbon-to-nitrogen ratio(C/N) and high wetness index(P/PET, precipitation-to-potentialevapotranspiration ratio) are the two factors that promote SOC accumulation, with only minor contributions of litter quantity and soil texture. The field survey data demonstrated that high plant diversity decreased litter C/N and thus indirectly promoted SOC accumulation by increasing the litter quality. We conclude that any changes in plant-community composition, plant-species richness and environmental factors that can reduce the litter C/N ratio, or climatic changes that increase wetness index, may promote SOC accumulation. The study provides a guideline for modeling the carbon cycle of various ecosystem scales and formulates the principle for land-based actions for mitigating the rising atmospheric CO2 concentration.Guoyi Zhou Shan Xu Philippe Ciais Stefano Manzoni Jingyun Fang Guirui Yu Xuli Tang Ping Zhou Wantong Wang Junhua Yan Gengxu Wang Keping Ma Shenggong Li Sheng Du Shijie Han Youxin Ma Deqiang Zhang Juxiu Liu Shizhong Liu Guowei Chu Qianmei Zhang Yuelin Li Wenjuan Huang Hai Ren Xiankai Lu Xiuzhi Chen 2019National Science Review2019,6,4:21
11Numerical simulation for the coupling effect of local atmospheric circulations over the area of Beijing,Tianjin and Hebei Province显示文摘Using the model system MM5.V3 and multi-layer grid nesting technique, we have done a multi-scale numerical simulation over the area of Beijing, Tianjin and Hebei Province to analyze the temperature and wind field there and study its local circulations. The results show a coupling effect of Urban Heat Island Circulation (UHIC), Mountain Valley Breeze (MVB) and Sea Land Breeze (SLB) occurs in this area when the synoptic system is weak. The SLB can penetrate deep into the mainland for about 200 km when it is blooming. MVB can extend to south and cover almost the whole plain area in Beijing. Both MVB and SLB are diurnal periodical; meanwhile the phase of MVB drops behind that of SLB for about six hours. As a local circulation, the UHIC weakens the two circulations above, and it also has a diurnal period. As a result, the coupling effect of circulations reveals not only different features in spring-summer period and autumn-winter period in a year but also the difference between early morn- ing to noonday and afternoon to night in a day. We noted the diffusion of contamination over the area around Beijing, and found the steady presence of a transport routine of contamination over North-China throughout the year caused by the Coupling Effect mentioned above. This find is important for studying the environment pollution in this area.LIU ShuHua LIU ZhenXin LI Ju WANG YinChun MA YanJun SHENG Li LIU HePing LIANG FuMing XIN GuoJun WANG JianHua 2009Science China Earth Sciences2009,52,3:20
12Puerarin prevents bone loss in ovariectomized mice and inhibits osteoclast formation in vitro显示文摘The present study aimed at investigating the effects of Puerarin(PR), a major isoflavonoid isolated from the Chinese medicinal herb Puerariae radix, on bone metabolism and the underlying mechanism of action. The in vivo assay, female mice were ovariectomized(OVX), and the OVX mice were fed with a diet containing low, middle, and high doses of PR(2, 4, and 8 mg·d^(-1), respectively) or 17β-estradiol(E_2, 0.03 μg·d^(-1)) for 4 weeks. In OVX mice, the uterine weight declined, and intake of PR at any dose did not affect uterine weight, compared with the control. The total femoral bone mineral density(BMD) was significantly reduced by OVX, which was reversed by intake of the diet with PR at any dose, especially at the low dose. In the in vitro assay, RAW264.7 cells were used for studying the direct effect of PR on the formation of osteoclasts. PR reduced the formation of tartrate resistant acid phosphatase(TRAP)-positive multi-nucleated cells in the RAW 264.7 cells induced by receptor activator for nuclear factor-κB Ligand(RANKL). MC3T3-E1 cells were used for studying the effects of PR on the expression of osteoprotegerin(OPG) and RANKL m RNA expression in osteoblasts. The expression of OPG m RNA and RANKL m RNA was detected by RT-PCR on Days of 5, 7, 10, and 12 after PR exposure. PR time-dependently enhanced the expression of OPG m RNA and reduced the expression of RANKL m RNA in MC3T3-E1 cells. In conclusion, our results suggest that PR can effectively prevent bone loss in OVX mice without any hyperplastic effect on the uterus, and the antiosteoporosis activity of PR may be related to its effects on the formation of osteoclasts and the expression of RANKL OPG in osteoblasts.YUAN Si-Yuan SHENG Tong LIU Lian-Qi ZHANG Yun-Ling LIU Xue-Mei MA Tao ZHENG Hong YAN Yan ISHIMI Yoshiko WANG Xin-Xiang 2016Chinese Journal of Natural Medicines2016,14,4:20
13Rasl CA overexpression in the posterior silk gland improves silk yield显示文摘Li Ma Hanfu Xu Jinqi Zhu Sanyuan Ma Yan Liu Rong-Jing Jiang Qingyou Xia Sheng Li 2011Cell Research2011,21,6:19
14Chinese expert consensus statement on the diagnosis and treatment of fulminant myocarditis显示文摘Fulminant myocarditis is primarily caused by infection with any number of a variety of viruses. It arises quickly, progresses rapidly, and may lead to severe heart failure or circulatory failure presenting as rapid-onset hypotension and cardiogenic shock,with mortality rates as high as 50%–70%. Most importantly, there are no treatment options, guidelines or an expert consensus statement. Here, we provide the first expert consensus, the Chinese Society of Cardiology Expert Consensus Statement on the Diagnosis and Treatment of Fulminant Myocarditis, based on data from our recent clinical trial(NCT03268642). In this statement, we describe the clinical features and diagnostic criteria of fulminant myocarditis, and importantly, for the first time,we describe a new treatment regimen termed life support-based comprehensive treatment regimen. The core content of this treatment regimen includes(i) mechanical life support(applications of mechanical respirators and circulatory support systems,including intraaortic balloon pump and extracorporeal membrane oxygenation),(ii) immunological modulation by using sufficient doses of glucocorticoid, immunoglobulin and(iii) antiviral reagents using neuraminidase inhibitor. The proper application of this treatment regimen may and has helped to save the lives of many patients with fulminant myocarditis.Daowen Wang Sheng Li Jiangang Jiang Jiangtao Yan Chunxia Zhao Yan Wang Yexin Ma Hesong Zeng Xiaomei Guo Hong Wang Jiarong Tang Houjuan Zuo Li Lin Guanglin Cui Section of Precision Medicine Group of Chinese Society of Cardiology,Editorial Board of Chinese Journal of Cardiology &Working Group of Adult Fulminant Myocarditis 2019Science China(Life Sciences)2019,62,2:18
15Experimental investigation of the influence of electric field on frost layer growth under natural convection condition显示文摘直接电流(DC ) 的影响一个冷垂直盘子上的霜的厚度和团上的电场被调查。生长有或没有电场的存在被拿,并且结果的霜层的相片证明电走在霜厚度上有强烈影响。霜厚度和霜质量上的冷板温度和周围的温度的影响也与电场在自然传送对流条件下面被调查。试验性的结果证明冷板温度在霜层厚度,而是它对霜质量的影响上有很强壮的效果是次要的;对霜团的影响或周围的温度在霜厚度上是比那更明显的。ZHANG Xinhua, LIU Zhongliang, WANG Jieteng, GOU Yujun, MENG Sheng and MA Chongfang Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education Key Laboratory of Heat Transfer and Energy Conversion, Beijing Education Commission, Beijing University of Technology, Beijing 100022, China 2006Progress in Natural Science:Materials International2006,16,4:16
16Report on Childhood Obesity in China (10): Association of Sleep Duration with Obesity显示文摘Objectives To explore the association of sleep duration with obesity among children in urban areas of China.Methods A total of 6 576 children(3 293 boys and 3 283 girls) aged 7-11 years were randomly selected from 36 primary schools in 6 metropolitan cities in China.A 7-day Physical Activity Recall was used to assess the sleep duration and physical activity level.The height,weight,waist circumference(WC) and percentage of body fat(%BF,as determined by bioelectrical impedance analysis technique) were measured by following the standardized operation procedures.The information on demography,lifestyle and eating habits was collected with a self-administered questionnaire from participants and their parents.Results The average sleep duration per night in the children was 9.7 h with the decreasing trends along with the increase of age(P<0.05).The sleep duration was negatively associated with body mass index(BMI) and WC in both boys and girls after adjustment for confounders(β value-0.23 and-0.82 for boys,-0.24 and-0.91 for girls,respectively,P<0.01).However,no significant association of sleep duration with %BF was found.Children who slept less than 9.0 h per night had a higher risk for overweight and obesity(OR=1.29,95% CI:1.01,1.64) and abdominal obesity(OR=1.38,95% CI:1.04,1.83) as compared with those who slept for 10.0-10.9 h.Conclusions Short sleep duration is associated with obesity.It is important to ensure adequate sleep duration of children and foster their healthy lifestyle at an early stage of life.MENG Li Ping LIUAi Ling HU Xiao Qi ZHANG Qian DU Song Ming FANG Hong Yun MA Jun XU Gui Fa LI Ying GUO Hong Wei DU Lin MA Guan Sheng 2012Biomedical and Environmental Sciences2012,25,2:16
17Integration of Metabolomics and Subcellular Organelle Expression Microarray to Increase Understanding the Organic Acid Changes in Post-harvest Citrus Fruit显示文摘Citric acid plays an important role in fresh fruit favor and its adaptability to post-harvest storage conditions.In order to explore organic acid regulatory mechanisms in post-harvest citrus fruit,systematic biological analyses were conducted on stored Hirado Buntan Pummelo(HBP;Citrus grandis)fruits.High-performance capillary electrophoresis,subcellular organelle expression microarray,real-time quantitative reverse transcription polymerase chain reaction,gas chromatography mass spectrometry(GC-MS),and conventional physiological and biochemical analyses were undertaken.The results showed that the concentration of organic acids in HBP underwent a regular fuctuation.GC-MS-based metabolic profling indicated that succinic acid,g-aminobutyric acid(GABA),and glutamine contents increased,but 2-oxoglutaric acid content declined,which further confrmed that the GABA shunt may have some regulatory roles in organic acid catabolism processes.In addition,the concentration of organic acids was signifcantly correlated with senescence-related physiological processes,such as hydrogen peroxide content as well as superoxide dismutase and peroxidase activities,which showed that organic acids could be regarded as important parameters for measuring citrus fruit post-harvest senescence processes.Xiaohua Sun Andan Zhu Shuzhen Liu Ling Sheng Qiaoli Ma Li Zhang Elsayed Mohamed Elsayed Nishawy Yunliu Zeng Juan Xu Zhaocheng Ma Yunjiang Cheng Xiuxin Deng 2013Journal of Integrative Plant Biology2013,55,11:14
18Timosaponin A3 induces hepatotoxicity in rats through inducing oxidative stress and down-regulating bile acid transporters显示文摘Zhi-tao WU Xin-ming QI Jing-jing SHENG Lei-lei MA Xuan NI Jin REN Cheng-gang HUANG Guo-yu PAN 2014Acta Pharmacologica Sinica2014,35,9:13
19Arabidopsis NIP3;1 Plays an Important Role in Arsenic Uptake and Root-to-Shoot Translocation under Arsenite Stress Conditions显示文摘在 Arabidopsis, nodulin 26-like 内在的蛋白质(捏) aquaporin 蛋白质的亚科由九个成员,组成哪个中的五个(NIP1; 1, NIP1; 2, NIP5; 1, NIP6; 1,并且 NIP7; 1 ) 以前被识别对亚砷酸盐可渗透。然而,角色在植物在亚砷酸盐的 root-to-shoot translocation 捏仍然保持糟糕理解。在这研究,用反向的基因策略, Arabidopsis NIP3; 1 被识别在亚砷酸盐压力条件下面在砷举起和 root-to-shoot 分发起一个重要作用。nip3; 1 loss-of-function 异种在亚砷酸盐忍耐显示了明显的改进为未葬生长和积累的更少砷在野类型的植物比那些射击,而 nip3; 1 nip1; 1 两倍异种显示出强壮的亚砷酸盐忍耐并且在亚砷酸盐压力条件下面改进了根和射击的生长。一个倡导者 -- glucuronidase 分析揭示了那 NIP3; 1 几乎专门在根被表示(与根尖端的异常) ,并且在酵母 Saccharomyces cerevisiae 的 heterologous 表示表明了那 NIP3; 1 能调停亚砷酸盐运输。一起拿,我们的结果建议那 NIP3; 1 在 Arabidopsis 涉及亚砷酸盐举起和 root-to-shoot translocation,可能作为被动、双向的亚砷酸盐 transporter。WenzhongXu Wentao Dai Huili Yan Sheng Li Hongling Shen Yanshan Chen Hua Xu Yangyang Sun Zhenyan He Mi Ma 2015Molecular Plant2015,8,5:13
20A multicenter,retrospective.epidemiologic survey of the clinical features and management of bone metastatic disease in China显示文摘Background:Bone metastases are common in patients with advanced cancer.Bisphosphonates(BPs) could prevent or delay the development of skeleton-related events(SREs).The present study aimed to identify the clinical features of and treatment strategies for Chinese patients with bone metastases.Methods:Consecutive cancer patients who had bone metastases and received BP treatment were enrolled.A questionnaire was developed to collect the patients' clinical data,as well as information on the diagnosis and management of bone metastases.Physicians' awareness of the guidelines and knowledge of the application of BP were also assessed.Results:A total of 3223 patients with lung cancer(36.5%),breast cancer(30.9%),prostate cancer(8.5%),and gastrointestinal cancer(5.7%) were included in this study.The sites of bone metastases were the thoracic spine(56.0%),lumbar spine(47.1%),ribs(32.6%),and pelvis(23.2%).The SRE frequency was the highest in patients with multiple myeloma(36.6%),followed by those with lung cancer(25.9%),breast cancer(20.2%),prostate cancer(18.2%),and gastrointestinal cancer(17.3%).Irradiation to the bone was the most frequent SRE(58%in lung cancer patients,45%in breast cancer patients,and 48%in prostate cancer patients).Our survey also showed that 45.5%of patients received BP within 3 months after their diagnosis of bone metastases,whereas the remaining 54.5%of patients did not receive BP treatment until at least 3 months after their diagnosis of bone metastases.The SRE frequency in the former group was significantly lower than that in the latter group(4.0%vs.42.3%,P < 0.05).In patients with more than 6 months of continuous BP treatment,the mean time to the first SRE was significantly longer than that in patients with less than 6 months of continuous BP treatment(7.2 vs.3.4 months,P < 0.05).In addition,12.2%of the physicians were not aware of the efficacy of BP in preventing and delaying SRE.Only half(52.3%) of the physicians agreed that the BP treatment should persist for at least 6 months unless it was intolerable.Conclusions:Our study suggested that prompt and persistent BP treatment was associated with a reduced risk of SREs.However,our survey also revealed that the proper application of BP was not as common as expected in China.Yunpeng Yang Yuxiang Ma Jin Sheng Yan Huang Yuanyuan Zhao Wenfeng Fang Shaodong Hong Ying Tian Cong Xue Li Zhang 2016Chinese Journal of Cancer2016,35,5:13
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