检索结果-南通市图书馆

Journal of Geriatric Cardiology 2024年第7期21卷 713-715页

作者： jian-jun li Cardiometabolic Center National Center for Cardiovascular DiseaseChinese Academy of Medical ScienceFuwai HospitalBeijingChina

It is well-known that elevated low-density lipoprotein cholesterol(LDL-C)is a causal risk factor for atheroscler-otic cardiovascular disease(ASCVD),statins are cornerstone drugs for the cause-based treatment of ASCVD,which has created a new era for ASCVD ***,statin intolerance is not clinically uncommon,which there are several issues with confu-sion and ***,a file named Chinese Expert Consensus on the Diagnosis and Management Strategy of Pa-tients With Statin Intolerance,like a navigator,has recently been published written by a team of experts from the Cardiovascular Metabolic Medicine Professional Committee,Expert Committee of the National Center for Cardiovascular Diseases aiming to en-hance the standardized clinical application of statins and improve the prevention and clinical *** this article,author briefly summarized the key points of above consensus in order to helping to comprehending the content of the consensus sugges-tions.

关键词： Expert Strategy corners

Recanalization of anastomotic occlusion following rectal cancer surgery using a rendezvous endoscopic technique with transillumination:A case report

在线全文

学校读者我要写书评

暂无评论

World Journal of Gastroenterology 2024年第37期30卷 4149-4155页

作者： jun Chi Guang-Yu Luo Hong-Bo Shan jun-Zhong lin Xiao-jun Wu jian-jun li Department of Endoscopy Sun Yat-Sen University Cancer CenterGuangzhou 510060Guangdong ProvinceChina State Key Laboratory of Oncology in South China Guangzhou 510060Guangdong ProvinceChina Guangdong Provincial Clinical Research Center for Cancer Guangzhou 510060Guangdong ProvinceChina Department of Colorectal Surgery Sun Yat-Sen University Cancer CenterGuangzhou 510060Guangdong ProvinceChina

BACKGROUND Colorectal anastomotic occlusion is a serious complication of colorectal cancer *** several treatment strategies have been proposed,the mana-gement of anastomotic occlusion remains *** this report,we present a case of anastomotic occlusion recanalization performed using a novel technique involving two endoscopes,one for radial incision and the other serving as a guide *** novel technique offers significant advantages in terms of operational feasibility,reduced invasiveness,rapid recovery,and shortened hospital *** SUMMARY A 37-year-old man underwent low anterior resection and prophylactic double-lumen ileostomy for rectal cancer in june,*** months later,complete anastomotic occlusion was observed on ***,we developed a novel atresia recanalization *** endoscopes were placed,one through the colonic anastomosis and the other through the anus.A radial incision was successfully made from the colonic side,guided by the light of the endoscope from the anal *** recanal-ization was performed within 20 *** weeks after recanalization,colonoscopy revealed that the diameter of the colorectal anastomosis was approximately 16 mm and the patient therefore underwent stoma reversal in *** the follow-up period of approximately one year,the patient remained well and no stenosis or obstruction symptoms were *** Endoscopic atresia recanalization of colorectal anastomotic occlusion assisted by an opposing light source is safe and effective.

关键词： Endoscopy Atresia recanalization Anastomotic occlusion light source Case report

Association of acute glycemic parameters at admission with cardiovascular mortality in the oldest old with acute myocardial infarction

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Geriatric Cardiology 2024年第3期21卷 349-358页

作者： Hui-Hui liU Meng ZHANG Yuan-lin GUO Cheng-Gang ZHU Na-Qiong WU Ying GAO Rui-Xia XU Jie QIAN Ke-Fei DOU jian-jun li Cardiometabolic Center State Key Laboratory of Cardiovascular DiseaseFuwai HospitalNational Center for Cardiovascular DiseasesNational Clinical Research Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina

OBJECTIVES Stress-related glycemic indicators,including admission blood glucose(ABG),stress-hyperglycemia ratio(SHR),and glycemic gap(GG),have been associated with worse outcomes after acute myocardial infarction(AMI).However,data regarding their prognostic value in the oldest old with AMI are ***,this study aimed to investigate the association of stress-related glycemic indicators with short-and long-term cardiovascular mortality(CVM)in the oldest old(≥80 years)with *** In this prospective study,a total of 933 consecutive old patients with AMI admitted to FuWai hospital(Beijing,China)were *** admission,ABG,SHR,and GG were assessed and all participants were classified according to their ***-Meier,restricted cubic splines(RCS),and multivariate Cox regression analyses were performed to evaluate the association between these glycemic indicators and CVM within 30 days and long-term *** During an average of 1954 patient-years of follow-up,a total of 250 cardiovascular deaths were ***-Meier analyses showed the lowest CVM in quartile 1 of ABG and in quartile 2 of SHR and *** adjusting for potential covariates,patients in quartile 4 of ABG,SHR,and GG had a respective 1.67-fold(95%CI:1.03-2.69;P=0.036),1.80-fold(95%CI:1.16-2.79;P=0.009),and 1.78-fold(95%CI:1.14-2.79;P=0.011)higher risk of long-term CVM risk compared to those in the reference groups(quartile 1 of ABG and quartile 2 of SHR and GG).Furthermore,RCS suggested a J-shaped relationship of ABG and a Ushaped association of SHR and GG with long-term ***,we observed similar associations of these acute glycemic parameters with 30-day *** Our data first indicated that SHR and GG consistently had a U-shaped association with both 30-day and longterm CVM among the oldest old with AMI,suggesting that they may be useful for risk stratification in this special population.

关键词： admitted infarction shaped

The GI/M/1 Queue in a Multi-phase Service Environment with Working Vacations and Bernoulli Vacation Interruption

在线全文

学校读者我要写书评

暂无评论

Journal of the Operations Research Society of China 2023年第3期11卷 627-656页

作者： jian-jun li li-Wei liu School of Mathematics and Statistics Nanjing University of Science and TechnologyNanjing210094JiangsuChina

In this paper,we consider a GI/M/1 queue operating in a multi-phase service environment with working vacations and Bernoulli vacation *** the queue becomes empty,the server begins a working vacation of random length,causing the system to move to vacation phase *** phase 0,the server takes service for the customers at a lower rate rather than stopping *** a vacation ends,if the queue is non-empty,the system switches from the phase 0 to some normal service phase i with probability qi,i=1,2,⋯,***,we assume Bernoulli vacation interruption can *** a service completion instant,if there are customers in a working vacation period,vacation interruption happens with probability p,then the system switches from the phase 0 to some normal service phase i with probability qi,i=1,2,⋯,N,or the server continues the vacation with probability 1−*** the matrix geometric solution method,we obtain the stationary distributions for queue length at both arrival epochs and arbitrary *** waiting time of an arbitrary customer is also ***,several numerical examples are presented.

关键词： GI/M/1 queue Working vacation Matrix geometric solution method Queueing theory

Chinese guideline for lipid management(2023):a new guideline rich in domestic elements for controlling dyslipidemia

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

老年心脏病学杂志:英文版 2023年第9期20卷 618-620页

作者： jian-jun li Division of Cardio-Metabolic Center State Key Laboratory of Cardiovascular DiseaseFu Wai HospitalNational Center for Cardiovascular DiseaseChinese Academy of Medical SciencesPeking Union Medical CollegeBeijingChina

Atherosclerotic cardiovascular disease(ASCVD)is the leading cause of death among urban and rural residents in China,and elevated low-density lipoprotein cholesterol(LDL-C)is a causal risk factor for ASCVD.[1,2]Considering the increasing burden of ASCVD,lipid management is of the utmost *** 7 years interval,Chinese guideline for lipid management(2023)(lipid guideline 2023)has simultaneously been published in both Chinese Journal of Cardiology,Chinese Circulation Journal in Chinese language and Frontiers in Pharmacology in English,which has widely been acclaiming at home and abroad.

关键词： elevated simultaneous guideline

Analysis of a Nutrient-phytoplankton Model in the Presence of Viral Infection

在线全文

学校读者我要写书评

暂无评论

Acta Mathematicae Applicatae Sinica 2016年第1期32卷 113-128页

作者： jian-jun li Wen-jie GAO College of science Liaoning Technical University Institute of Mathematics Jilin University

In this paper,a system of reaction-diffusion equations arising in a nutrient-phytoplankton populations is *** equations model a situation in which phytoplankton population is divided into two groups,namely susceptible phytoplankton and infected phytoplankton.A number of existence and non-existence results about the non-constant steady states of a reaction diffusion system are *** the diffusion coefficient of the infected phytoplankton is treated as bifurcation parameter,non-constant positive steady-state solutions may bifurcate from the constant steady-state solution under some conditions.

关键词： coexistence bifurcations non-constant positive steady solution

L-ProT catalyzed highly regioselective N-alkoxyalkylation of purine rings with vinyl ethers

在线全文

学校读者我要写书评

暂无评论

Chinese Chemical Letters 2014年第10期25卷 1341-1345页

作者： jian-jun li Xing-Xing Gui Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education College of Pharmaceutical SciencesZhejiang University of Technology

An efficient and regioselective synthesis of N-9 alkoxyalkylated purine nucleoside derivatives was achieved via the N-alkoxyalkylation of purine rings with vinyl ethers catalyzed by *** advantages of this protocol include good to excellent yield,mild reaction condition,and simple manipulation.A plausible mechanism for the transformation was given.

关键词： L-Proline triflate Regioselectivity Purine Vinyl ether Addition reaction

Lethaclado acid A and B from Lethariella cladonioides

在线全文

学校读者我要写书评

暂无评论

Chinese Chemical Letters 2007年第12期18卷 1515-1517页

作者： Xin Huang jun li jian Hua Shen jun Hua Chen Drug Discovery and Design Centre State Key Laboratory of Drug Research Shanghai Institute of Materia Medica Shanghai Institutes for Biological Sciences Chinese Academy of Sciences Shanghai 201203 PR China

Two new compounds, lethaclado acid A （1） and B （2）, were isolated from the acetone extract ofLethariella cladonioides. Their structures were elucidated on the basis of 1D and 2D NMR as well as ESI-MS spectral data.

关键词： Lethariella cladonioides Depside Depsidone Lethaclado acid A Lethaclado acid B

Diffusion tensor imaging reveals brain structure changes in dogs after spinal cord injury

在线全文

学校读者我要写书评

暂无评论

中国神经再生研究：英文版 2023年第1期18卷 176-182页

作者： Chang-Bin liu De-Gang Yang jun li Chuan Qin Xin Zhang jun liu Da-Peng li jian-jun li Department of Rehabilitation Medicine Beijing Tiantan HospitalCapital Medical UniversityBeijingChina Department of Spinal and Neural Function Reconstruction China Rehabilitation Research CenterBeijingChina China Rehabilitation Science Institute BeijingChina Department of Neurosurgery Beijing Children’s HospitalCapital Medical UniversityNational Center for Children’s HealthBeijingChina

Based on the Wallerian degeneration in the spinal cord pathways,the changes in synaptic connections,and the spinal cord-related cellular responses that alter the cellular structure of the brain,we presumed that brain diffusion tensor imaging(DTI)parameters may change after spinal cord ***,the dynamic changes in DTI parameters remain *** established a Beagle dog model of T10 spinal cord contusion and performed DTI of the injured spinal *** found dynamic changes in DTI parameters in the cerebral peduncle,posterior limb of the internal capsule,pre-and postcentral gyri of the brain within 12 weeks after spinal cord *** then performed immunohistochemistry to detect the expression of neurofilament heavy polypeptide(axonal marker),glial fibrillary acidic protein(glial cell marker),and NeuN(neuronal marker).We found that these pathological changes were consistent with DTI parameter *** findings suggest that DTI can display brain structure changes after spinal cord injury.

关键词： spinal cord injury diffusion tensor imaging canines pathophysiology cerebrospinal structures corticospinal tract magnetic resonance imaging anisotropic fraction apparent dispersion coefficient

An Explicit Solution for a Series and Parallel Queue with Retrial,Losses,and Bernoulli Schedule

在线全文

学校读者我要写书评

暂无评论

Journal of the Operations Research Society of China 2016年第1期4卷 121-129页

作者： Shi-Zhong Zhou li-Wei liu jian-jun li Department of Statistics and Financial Mathematics School of ScienceNanjing University of Science and TechnologyNanjing 210094China

This paper deals with the series and parallel queueing system in which there are two servers whose service time follow two exponential *** arriving customer either enters into the tandem service with probability or joins the service of the single server with complementary *** assume that the customers of arriving at the first server who find the first server is busy join an orbit and retry to enter the server after some time and of arriving at the second server who find the second server is busy are *** this model,we obtain the explicit expressions of the joint stationary distribution between the number of customers in the orbit and the states of the servers.

关键词： Series and parallel queue Retrial Bernoulli schedule Explicit solution Hypergeometric function