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Pancreatic stent improves the success rate of needle-knife papillotomy in patients with difficult biliary cannulation

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World Journal of Gastroenterology 2025年第1期31卷 58-67页

作者： Mu-Hsien Lee Cheng-Hui Lin Chi-Huan Wu Yung-Kuan Tsou Kai-Feng Sung sheng-Fu wang Nai-Jen Liu Department of Gastroenterology and Hepatology Chang Gung Memorial Hospital and Chang Gung University College of MedicineTaoyuan 33305Taiwan School of Medicine Chang Gung UniversityTaoyuan 33305Taiwan

BACKGROUND Needle-knife precut papillotomy(NKP)is typically performed ***,it remains unclear whether pancreatic stent(PS)placement can improve the outcomes of *** To explore whether PS placement improves the success rate of NKP in patients with difficult biliary *** This single-center retrospective study included 190 patients who underwent NKP between January 2017 and December 2021 after failed conventional biliary *** cases with incidental pancreatic duct cannulation during conventional biliary cannulation,the decision for pre-NKP PS placement was made at the endoscopist's *** primary outcome was the difference in the NKP success rate between patients with and without PS placement;the secondary outcome was the adverse event *** Among the 190 participants,82 received pre-NKP PS(PS-NKP group)whereas 108 did not[freehand or freehand NKP(FH-NKP)group].Post-NKP selective biliary cannulation was successful in 167(87.9%)patients,and the PS-NKP had a significantly higher success rate than the FH-NKP group(93.9%vs 83.3%,P=0.027).The overall adverse event rates were 7.3%and 11.1%in the PS-NKP and FH-NKP groups,respectively(P=0.493).A periampullary diverticulum(PAD)and significant intraoperative bleeding during NKP were independently associated with NKP failure;however,a pre-NKP PS was the only predictor of NKP *** the 44 participants with PADs,the PS-NKP group had a non-significantly higher NKP success rate than the FH-NKP group(87.5%and 65%,respectively;P=0.076).CONCLUSION PS significantly improved the success rate of NKP in patients with difficult biliary cannulation.

关键词： Difficult biliary cannulation Endoscopic retrograde cholangiopancreatography Needle-knife papillotomy Pancreatic stent Selective biliary cannulation

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未来社区健康场景服务质量评价指标体系构建研究

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中国全科医学 2025年第5期28卷 624-630页

作者：王文婷王静周冯晨刘克宁汪胜西湖大学医学院附属杭州市第一人民医院浙江省杭州市310006 杭州师范大学公共卫生学院浙江省杭州市311121 浙江中医药大学第二临床医学院浙江省杭州市310053 杭州师范大学护理学院浙江省杭州市311121

背景在国家推动“以治病为中心”向“以健康为中心”理念转变的背景下,浙江省率先打造面向全人群和全生命周期的未来社区健康场景,为基层卫生健康综合改革提供了“浙江样板”,构建一套科学有效的未来社区健康场景服务质量评价指标体系... 详细信息

背景在国家推动“以治病为中心”向“以健康为中心”理念转变的背景下,浙江省率先打造面向全人群和全生命周期的未来社区健康场景,为基层卫生健康综合改革提供了“浙江样板”,构建一套科学有效的未来社区健康场景服务质量评价指标体系具有重要的理论意义和实践价值。目的构建浙江省未来社区健康场景服务质量评价指标体系,为提升社区健康服务能力和质量,推动人群健康目标实现提供参考。方法基于SERVQUAL理论模型,通过政策分析、文献研究和实地调研建立初始指标池;2023年10—12月,采用两轮德尔菲专家咨询法确定指标体系,并运用层次分析法确定各指标的权重和组合权重。结果两轮专家咨询均有17位专家参与,其中高级职称共12名(70.6%);工作年限≥10年15名(88.2%);未来社区的管理人员和医务人员共5名(29.4%)。两轮咨询专家积极性均为1.0,权威系数分别为0.862和0.842,协调程度逐轮提高,最终构建的指标体系包含5个一级指标、13个二级指标、36个三级指标。一级指标中,有形性、可靠性、保证性、响应性、移情性的权重分别为0.168、0.180、0.240、0.178、0.232;二级指标中,场地设施、数字化设备、服务提供、健康监测、服务效率、服务可及性、危机预防和应急救援能力、专业技能、活动组织、智能平台维护、服务态度和情感支持、服务效果、个性化服务的权重分别为0.399、0.601、0.672、0.328、0.487、0.171、0.342、0.410、0.416、0.174、0.284、0.323、0.393。结论本研究构建的浙江省未来社区健康场景服务质量评价指标体系科学可靠,具有较强的系统性、创新性、可操作性和应用价值,是开展未来社区健康场景评价的有效工具,希望能够为政府制定改进策略和相关政策提供参考。

关键词：卫生服务研究未来社区服务质量评价 SERVQUAL理论模型德尔菲法层次分析法指标体系

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Global Well-posedness for the 2D Micropolar Rayleigh–Bénard Convection Problem without Velocity Dissipation

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Acta Mathematica Sinica,English Series 2021年第7期37卷 1053-1065页

作者： sheng wang Shanghai Center for Mathematical Sciences Fudan UniversityShanghai 200433P.R.China

In this article,we study the Cauchy problem to the micropolar Rayleigh–Bénard convection problem without velocity dissipation in two *** first prove the local well-posedness of a smooth solution,and then establish a blow up criterion in terms of the gradient of scalar temperature *** last,we obtain the global well-posedness to the system.

关键词： 2D micropolar Rayleigh–Bénard convection problem blow-up criterion smooth solution global well-posedness

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Asymptotic Distributions for Power Variation of the Solution to a Stochastic Heat Equation

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Acta Mathematica Sinica,English Series 2021年第9期37卷 1367-1383页

作者： Wen sheng wang School of Economics Hangzhou Dianzi UniversityHangzhou 310018P.R.China

Let u={u(t,x),t∈[0,T],x∈R}be a solution to a stochastic heat equation driven by a space-time white *** study that the realized power variation of the process u with respect to the time,properly normalized,has Gaussian asymptotic *** particular,we study the realized power variation of the process u with respect to the time converges weakly to Brownian motion.

关键词： Quadratic variation power variation stochastic heat equation weak convergence

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Universal resources for quantum computing

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Communications in Theoretical Physics 2023年第12期75卷 57-74页

作者： Dong-sheng wang CAS Key Laboratory of Theoretical Physics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China

Unravelling the source of quantum computing power has been a major goal in the field of quantum information *** recent years,the quantum resource theory(QRT)has been established to characterize various quantum resources,yet their roles in quantum computing tasks still require *** so-called universal quantum computing model(UQCM),*** circuit model,has been the main framework to guide the design of quantum algorithms,creation of real quantum computers *** this work,we combine the study of UQCM together with *** find,on one hand,using QRT can provide a resource-theoretic characterization of a UQCM,the relation among models and inspire new ones,and on the other hand,using UQCM offers a framework to apply resources,study relation among these resources and classify *** develop the theory of universal resources in the setting of UQCM,and find a rich spectrum of UQCMs and the corresponding universal *** on a hierarchical structure of resource theories,we find models can be classified into *** this work,we study three natural families of UQCMs in detail:the amplitude family,the quasi-probability family,and the Hamiltonian *** include some well known models,like the measurement-based model and adiabatic model,and also inspire new models such as the contextual model that we *** family contains at least a triplet of models,and such a succinct structure of families of UQCMs offers a unifying picture to investigate resources and design *** also provides a rigorous framework to resolve puzzles,such as the role of entanglement versus interference,and unravel resource-theoretic features of quantum algorithms.

关键词： quantum resource computing model quantum algorithm

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A prototype of quantum von Neumann architecture

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Communications in Theoretical Physics 2022年第9期74卷 49-63页

作者： Dong-sheng wang CAS Key Laboratory of Theoretical Physics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China

A modern computer system,based on the von Neumann architecture,is a complicated system with several interactive modular *** requires a thorough understanding of the physics of information storage,processing,protection,readout,*** computing,as the most generic usage of quantum information,follows a hybrid architecture so far,namely,quantum algorithms are stored and controlled classically,and mainly the executions of them are quantum,leading to the so-called quantum processing *** a quantum-classical hybrid is constrained by its classical ingredients,and cannot reveal the computational power of a fully quantum computer system as conceived from the beginning of the ***,the nature of quantum information has been further recognized,such as the no-programming and no-control theorems,and the unifying understandings of quantum algorithms and computing *** a result,in this work,we propose a model of a universal quantum computer system,the quantum version of the von Neumann *** uses ebits(*** states)as elements of the quantum memory unit,and qubits as elements of the quantum control unit and processing *** a digital quantum system,its global configurations can be viewed as tensor-network *** universality is proved by the capability to execute quantum algorithms based on a program composition scheme via a universal quantum gate *** is also protected by the uncertainty principle,the fundamental law of quantum information,making it quantum-secure and distinct from the classical *** particular,we introduce a few variants of quantum circuits,including the tailed,nested,and topological ones,to characterize the roles of quantum memory and control,which could also be of independent interest in other *** all,our primary study demonstrates the manifold power of quantum information and paves the way for the creation of quantum computer systems in the near future.

关键词： quantum computation quantum channel von Neumann architecture

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A LIL and Limit Distributions for Trimmed Sums of Random Vectors Attracted to Operator Semi-stable Laws

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Acta Mathematica Sinica,English Series 2014年第9期30卷 1555-1565页

作者： Wen sheng wang Department of Mathematics Hangzhou Normal University

Let θ∈^d be a unit vector and let X, X1, X2,…… be a sequence of i.i.d. Xd-valued random vectors attracted to operator semi-stable laws. For each integer n ≥1, let X1,≤……≤ Xn,n denote the order statistics of X1, X2,..., Xn according to priority of index, namely ｜（X1,nθ）｜≥…≥ [（Xn,n,θ）1, where （., .） is an inner product on Rd. For all integers r ≥ 0, define by （r）Sn =∑n-r i=1Xi,n the trimmed sum. In this paper we investigate a law of the iterated logarithm and limit distributions for trimmed sums （r）Sn. Our results give information about the maximal growth rate of sample paths for partial sums of X when r extreme terms are excluded. A stochastically compactness of （r）Sn is obtained.

关键词： Operator semi-stable law domain of attraction law of the iterated logarithm stochastically compactness affine normalized partial sum trimmed sum

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Strong Laws of Large Numbers for Random Walks in Random Sceneries

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Acta Mathematicae Applicatae Sinica 2007年第3期23卷 495-500页

作者： Wen-sheng wang Department of Statistics East China Normal University Shanghai 200062 China

In this paper, we study strong laws of large numbers for random walks in random sceneries. Some mild sufficient conditions for the validity of strong laws of large numbers are obtained.

关键词： Random walk in random scenery law of large numbers

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A Strong Approximation Theorem for Quasi-associated Sequences

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Acta Mathematica Sinica,English Series 2005年第6期21卷 1269-1276页

作者： Wen sheng wang Department of Statistics East China Normal University Shanghai 200062 P. R. China Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing 100080 P. R. China

By combining the Csorgo-Révész quantile transform methods and the Skorohod-Strassen martingale embedding theorem, we prove a strong approximation theorem for quasi-associated random variables with mean zero and finite （2 ＋ δ）th moment under polynomial decay rate. As a consequence, the decay rate for a strong approximation theorem of associated sequences of Yu （1996） is weakened.

关键词： Quasi-association Partial sum Strong approximation Quantile transform

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Optimal Control of Non-well-posed Heat Equations

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Acta Mathematica Sinica,English Series 2005年第5期21卷 1005-1014页

作者： Geng sheng wang Department of Mathematics Huazhong Normal University Wuhan 430079 P. R. China

This work is concerned with Pontryagin＇s maximum principle of optimal control problems governed by some non-well-posed semilinear heat equations. A type of approach to the non-well-posed optimal control problem is gi... 详细信息

关键词： Optimal control Non-well-posed heat equation State constraint

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