通过工作列表实现数字化网络各系统之间患者信息的一致性

目的 实现图像存储与传输系统(picture archiving and communication system，PACS)、放射学信息系统(radiology information systems，RIS)、影像设备之间患者检查信息的一致性。方法 我院引进GE Signa 1．5T磁共振、数字乳腺，Agfa数字X线摄影、计算机X线摄影及GE CT等数字化医学设备。GE PACS是英文系统，所以前期医院在未解决信息一致性时只通过PACS对检查影像进行保存，通过PACS系统中简单的信息管理工作，并没有真正意义上的worklist。2个月后，我院采用国际上先进的解决方法即通过医学数字成像及通讯(digital imaging and communication in medicine，DICOM)标准的工作列表(worklist)的方法实现信息的一致性。在RIS系统中将患者中文信息转换为英文信息，保存并为worklist提供患者的英文信息。结果 我院在集成PACS和RIS的2年多时间以来，通过worklist来保证RIS与影像设备患者检查信息的一致性，取得了非常好的效果。在所有诊断工作站上，诊断医生通过中文RIS系统，对病人的信息进行编辑、修改、产生。结论 通过worklist实现PACS、RIS、影像设备之间患者检查信息的一致性是可行的。     

图像存储与传输系统的总体设计与分步实施

目的 探讨在组建图像存储与传输系统（picture archiving and communication system,PACS)过程中的总体设计及如何进行具体每一步的实施方案。方法 把具有医学数学成像及通讯（digital imaging and communication in medicine,DICOM)标准接口或非DICOM标准接口的影像设备进行联网，制定资源共享、系统存储的解决方案，建立典型的医院放射科PACS系统，连接目前医院现有的设备，服务器采用Windows NT SQL Server 7.0组成，解决管理及存储问题，工作站基于浏览（WEB）方式访问，扩大客户端的使用权限（license)，数量为100个，磁盘阵列（RAID 5）在线存储3个月，线性磁带库（DLT)离线海量存储；扩展全院并解决放射学信息系统（radiology information systems,RIS)、PACS的数据共享连接；建立地区影像数据交换中心。结果 建立了典型的医院放射科PACS系统，连接了目前医院现有的设备，实现了放射科初步的无胶片化方式；将PACS扩展到了全院的临床科室、手术室、急诊室等，以及实现了和已有的医院信息系统（hospital information systems,HIS)、其他医院网络联网，建立起了影像数据中心；实现了和本地区其他医院及其他地区的影像数据中心的联网，使用起来较为得心应手，方便了医生，提高了工作效率。结论 实践证明，上述PACS的总体设计与分步实施方案是可行的、成功的。     

医学数字图像通讯标准图像格式转换技巧

医学数字图像通讯标准(digital imaging and communication in medicine,DICOM)已经成为医院医学影像存档与通讯系统(1aicture archiving and communication system,PACS)广泛通用的标准.     

现代PACS病例式教学法 在《医学影像学》教学中的经验

传统启发式教学基于教学幻灯和胶片引导学生认识基本征象和典型病例,启发学生利用发散式思维诊断疾病,但存在临床资料不全、缺乏三维构建的缺陷.近年来,各医学院校将影像归档和通信系统(picture archiving and communication systems,PACS)引入医学影像教学[1-4],配合医院管理系统(hospital information system,HIS)、放射科信息系统(radiology information system,RIS)和实验室信息系统(laboratory information system,LIS)进行"四合一式"病例回顾教学,即现代PACS病例式教学,使学生客观全面地认识疾病及相关影像学表现.为印证PACS系统在《医学影像学》教学中的实际教学效果,特针对本校学生设计了本研究,旨在将现代PACS病例式教学与传统启发式教学进行客观对照,为进一步改进医学影像教学方法提供参考.     

关于基层医院影像数字化应用与发展的探讨

随着数字化信息技术的发展，PACS—RIS—HIS逐渐成为医疗卫生信息化的重要组成部分。PACS、RIS、HIS分别是Picture Archiveand Communication system（医学影像计算机存档与通讯系统）、Radiology Information System（放射科信息系统）、Hospital Information System（医院信息系统）的简称，它们使传统的影像科实现了数字化，在医院数字化建设中发挥着重要作用。     

数字化放射科的构建及其意义

目的：通过构建医学影像存贮与通讯系统(Picture archiving and communication systems，PACS)，从而实现医学影像及诊断报告的网络化。方法：将放射科数字化影像设备(DR，CR，CT，MR，138A等)、独立工作站、诊断报告终端、登记室终端、主任室终端、激光相机终端经标准接口(DICOM3．0)连接，完成数字化工作流程。结果：成功实现了数字化医学影像图像及诊断报告在PACS内的传送、存储、图像再处理以及与HIS系统的联接。结论：数字化放射科的成功构建及运作提高了工作效率与管理水平，大大增加了信息存储量，利用医学资源共享，推动了医院工作模式的变革。     

医学影像存档与通信系统(PACS)的应用体会

目的介绍了胜利油田中心医院医学影像存档与通信系统(PACS)应用的体会。方法把具有医学数字成像及通信(digital imaging and communication in medicine)影像设备连接成医院的PACS系统；将传统的胶片存储模式与现代的PACS管理系统相比较。结果传统的胶片存储模式在影像和管理与存储上存在种种弊端，PACS系统实现了统一存储和资源共享。结论PACS的应用明显提高了放射科及相关科室的工作效率，方便了工作、教学、科研和会诊，提高了医院的社会效益和经济效益。     

基于PACS/RIS的放射科质量控制方法的应用价值

我科自2007年1月建成全影像科的图像存储与传输系统(picture archiving and communications system,PACS)及放射科信息系统(radiology information system,RIS)以来,以质量控制(quality control,QC)为科室管理工作的中心环节,科室管理水平有了明显提高。1材料与方法1.1使用设备     

基于IHE关键影像集成模型PACS工作站的临床应用

影像工作站是图像存档与传输系统（picture archiving and communication system,PACS）最基本的组成部分之一,它的主要任务是帮助医生浏览医学图像。影像工作站既能通过网络从系统服务器下载医学数字成像和通信标准（digital imaging and communications in medicine,DICOM）图像文件,也可读取存在本地的图像文件,医生通过图像浏览模块,获取自己感兴趣的信息。     

医学影像存档与通讯系统在影像诊断教学中的初步应用

目的 评价医学影像存档与通讯系统(picture archiving and communication systems，PACS)在医学影像诊断教学中的应用价值。方法 利用GE PACS和天助公司的放射信息管理系统(radiology information system，RIS)、终端图文工作站等硬件、软件配置，构建大屏幕多媒体阅片室，设置典型影像教学片库，开辟电子学习室，直接从PACS调取图像制作多媒体幻灯教学课件和制备考试题库。结果 成功完成了各项构建，在PACS设置的教学分类片库中积累了有价值的影像资料近5000例，改变了传统的影像教学方法，实现了影像教学的实时化、多样化，在影像诊断教学和实习中获得一致好评，提高了教学质量。结论 PACS有利于提高医学影像诊断学的教学质量，值得完善和推广。     

Development of an electronic radiologist's office in a private institute.

A computer system that improves the quality, user-friendliness, accessibility, and management of radiology data (images, reports, databases, knowledge) was implemented at a private institute. A picture archiving and communication system (PACS) was integrated with the radiology information system (RIS). Two servers and 12 personal computers form the integrated system. The first server is dedicated to management and archiving of Digital Imaging and Communications in Medicine (DICOM) images. The second server is dedicated to management of the RIS and archiving of patient data (Structured Query Language database), reports (hypertext markup language [HTML]), and images in the Joint Photographic Experts Group (JPEG) format (mini-PACS). There are three main client-server networks: a common network of imaging modalities (magnetic resonance imaging, computed tomography, ultrasonography, digital radiography) and two fast Ethernet networks (the PACS network and the RIS network). The RIS-PACS is linked remotely with other workstations and servers via Integrated Services Digital Network (ISDN). Images and reports can be distributed to referring physicians in the form of multimedia HTML and JPEG documents, which can also be used for quick and easy archiving, distribution, and reviewing within the institute. However, referring physicians have been reluctant to use electronic reports and images.     

Radiological reporting system developed with FileMaker-Pro: cooperation with HIS, RIS, and PACS

This article briefly describes our original radiological reporting system. This system was developed with the widely used database software FileMakerPro (ver 5.5). The reporting system can obtain information about patients and examinations from a radiology information system(RIS) by the Open DataBase Connectivity(ODBC) technique. By clicking the button on the reporting system, the corresponding DICOM images can be displayed on a picture archiving and communication system(PACS) workstation monitor. Reference images in JPEG format can be easily moved from PACS to the reporting system. Reports produced by the reporting system are distributed to the hospital information system(HIS) in Portable Document Format(PDF), through another web server. By utilizing the capacity of FileMakerPro, the human-machine interface of the system has been able to be improved easily. In addition, cooperation with HIS, RIS, and PACS could be constructed. Therefore, this original system would contribute to increasing the efficiency of radiological diagnosis.     

The integration of medical images with the electronic patient record and their web-based distribution

Medical images are currently created digitally and stored in the radiology department's picture archiving and communication system. Reports are usually stored in the electronic patient record of other information systems, such as the radiology information system (RIS) and the hospital information system (HIS). But high-quality services can only be provided if electronic patient record data is integrated with digital images in picture archiving and communication systems. Clinicians should be able to access both systems' data in an integrated and consistent way as part of their regular working environment, whether HIS or RIS. Also, this system should allow for teleconferencing with other users, eg, for consultation with a specialist in the radiology department. This article describes a web-based solution that integrates the digital images of picture archiving and communication systems with electronic patient record/HIS/RIS data and has built-in teleconferencing functionality. This integration has been successfully tested using three different commercial RIS and HIS products.     

Systems integration: requirements for a fully functioning electronic radiology department.

Disparate computer-based information systems such as hospital information systems (HIS), radiology information systems (RIS), and picture archiving and communication systems (PACS) have been introduced into radiology departments at various times to meet specific operational objectives. Typically, these systems are implemented without an integration strategy. Systems integration, which optimizes integrity of data and labor savings, can be achieved by two general approaches. The first links the HIS to the PACS; the second involves interlinking of the HIS, RIS, and PACS, with the RIS as the central controlling system. Standardization in hardware, operating systems, and data base formats--which will allow true integration--is being addressed nationally and worldwide. Operational issues to resolve include ways to increase network capacity, control of data flow, and strategies for dealing with downtime. In the future, systems integration will enable prefetching, two-way interfaces, interfaces with digital dictation systems, and improved linkages with external digital input devices.     

Integrating digital systems: commitment and collaboration

One year ago, the radiology department at Ball Memorial Hospital, a 350-bed facility in Muncie, IN, was completely film-based. The need to support a new all-digital, 35-room emergency department (ED) hastened the facility's transition to a digital environment. Today, with the exception of mammography, the hospital's imaging services are now digital. To develop and implement the project, the hospital formed an internal implementation team. An independent consultant was also hired to evaluate the impact of these new technologies and to provide an estimated cost payback. After research, site visits, and vendor demonstrations, the hospital selected a single vendor for its picture archiving and communication system (PACS), digital radiography (DR), computed radiography (CR), and overall project management. The DR system was installed in the ED to provide digital image capture for a full range of trauma exams. The ED also initially began utilizing a Web-based PACS distribution originally implemented for after-hours teleradiology. The majority of the hospital's imaging studies are captured with 2 multi-cassette CR systems that serve 7 exam rooms in the radiology department. The hospital also installed remote operations panels to expedite entry of patient and exam information. Technologists readily embraced both CR and DR systems. The Web distribution system now transmits images to hospital-based computers and to 150 remote referring physicians. The PACS platform automatically e-mails key images and radiology reports to referring physicians. Authorized physicians can also request reports and images on an as-needed basis. The PACS vendor had previously performed multiple integrations with the radiology information system (RIS) vendor; the integration of PACS and RIS was extremely smooth. One of the critical components of a successful conversion is experienced, dedicated management. The hospital retained professional project management services to facilitate implementation and to ensure adequate training for all users.     

PACS系统的应用体会

目的：介绍我院影像医学存档与通讯系统（ＰＡＣＳ）应用的经验。材料与方法：将所有Ｂ超、ＣＴ、Ｘ线机和一台ＩＢＭ服务器、四台奔腾Ⅱ档次的工作站及惠普光盘塔连接成医学数字影像传输（ＤＩＣＯＭ）网络;ＤＩＣＯＭ服务器与各种图像浏览终端羞以太网络;通过ＨＵＢ连接成ＰＡＣＳ系统。结果：将常规放射图像的模拟信号通过数字转换器转换为数字信号后,与ＣＴ等数字成像系统的数字信号一并输入光盘塔,并进行诊断。将数字图像和诊断报告一起舆到医院各个图像浏览终端,使其可通过ＷＥＢ界面系统及咨询平台进行查询。ＰＡＣＳ投入使用２年来,效果良好。结论：ＰＡＣＳ的应用明显提高了放射科及相关科室的工作效率,方便了工作、教学、科研和会诊。     

HIS/RIS/PACS integration: getting to the gold standard

The technology for acquiring, storing, retrieving, displaying, and distributing images has advanced dramatically in recent years. The push is toward enterprise-wide image management solutions, where digital images from radiology, cardiology, and other "ologies" are seamlessly linked with information from clinical information systems and other databases, and they are accessed seamlessly from a single point of end-user interaction. The "gold standard" of system integration would provide the platform for improved workflow, patient throughput and patient safety, as well as decreased cost. Unfortunately, the gold standard remains elusive in most healthcare environments, even those with new systems. One of the earliest issues that plagued the progress of hospital information system/radiology information systems/picture archiving and communication systems (HIS/RIS/PACS) integration was a matter of language between Health Level-7 (HL7) and DICOM. This barrier was solved by the broker--a software and hardware device that accepts HL7 messages from the RIS then translates, or maps, the data to produce DICOM messages for transmission to the PACS. Technologist workflow requires patient and exam information from the RIS to flow to the modality. The broker provides support for this by taking advantage of the DICOM Modality Worklist (DMWL). Two primary problems are inherent in most brokered configurations. Workflow is driven by paper, and RIS information flows in 1 direction only, which leads to duplicative databases. Overcoming the limitations of HIS/RIS/PACS connectivity requires industry accepted communication protocols/rules. To facilitate this, the Integrating the Health Care Enterprise (IHE) initiative was developed. The goal of IHE is to provide end-users improved access to critical patient and clinical information across all systems within the healthcare delivery network. While the IHE initiative began to facilitate more efficient, predictable, and functional integration between disparate systems, vendors still had technology hurdles to overcome. System integration continues to be significantly hampered, not by technology limitations, but instead by business and political issues. In response to these challenges, several vendors have begun to offer consolidated RIS/PACS solutions and/or HIS/RIS/PACS solutions. Consequently, the prospect of the gold standard appears to be on the horizon. Single vendor consolidated systems are not, however, feasible for deployment in many healthcare organizations, and they are not necessarily the panacea.     

Integrating digital ICU viewing into the global working environment

We illustrate that to benefit from the advantages of Picture Archiving and Communication Systems (PACS) for the Intensive Care Unit (ICU), the PACS must be strongly integrated within the overall working environment. This includes adaptation of the PACS toward specific working patterns and integrating it with the Hospital Information System (HIS). This is reflected in our prototype system in different ways. The user interface of the viewing station is centered around often used patterns in ICU viewing. Information about bed occupancy is retrieved from the HIS and exploited in the viewing station. A digital connection between the phosphorplate scanner and the HIS ensures that images are correctly related to other patient information and to previous images. Using minor adaptations to the existing HIS, PACS and HIS have been made to cooperate in integrated presentation of images and radiological reports, as a step towards a multimedia medical information system. We discuss the relation between PACS and the global information environment, emphasizing organizational issues rather than technological aspects.