Integrated research on assessment of clinical effectiveness of electronical storage of, Prosses medical images

1.研究目的：(1)必须建立医学影像电子存储临床试用实验系统，放射科医生和放射技术人员必须在放射实践中使用该系统来检验其临床效果。尤其是必须通过检查图像质量来证明提取诊断信息的能力。(2)必须尝试以经济成本对临床效果进行定量测量，并将结果应用于安装此类医学图像电子存储系统的决策。(3)必须证明此类系统的结果在医院与临床合作、远程放射学、诊断教育、癌症治疗以及患者预后方面的社会影响。根据上述第(1)项的研究目的，下文第(1)和(2)项的研究结果如下。研究结果(3)根据项目(2…)的研究目的(1)在大阪大学医院对HIS/RIS/PACS的集成进行了5年的评估。通过时间研究的方法获取这5年的评价数据。临床结果的量化评估为下一代PACS的优化设计提供了基础数据。(2)拥有400多台HIS功能的图像显示终端的PACS已经通过大阪大学的评估。该HIS/RIS/PACS系统具有放射诊断和参考功能。(3)对医学影像电子存储实验系统和实际应用系统的成本效益从以下几个方面进行了衡量：a)比较了采用DVD技术、MO技术和图像数据压缩技术的数字电影血管造影术等运动图像电子存储系统的经济成本；b)比较了硬件资源的经济成本和PACS性能的定量模拟结果，如使用这些硬件资源的响应时间。在采购硬件和软件之前，对PACS进行了成本效益优化，并引入了这类系统。较少

1. Purpose of research were :(1) Experimental system for clinical trial use of electronic storage of medical images must be constructed, and radiologists and radiological technologist must use the system to check clinical effectiveness of it in the radiological practice. Especially capabilities of extracting diagnostic information musted be proven by checking image quality.(2) Quantitative measurement of clinical effectiveness for economical expense must be tried and the results must be applied for the decision making of installation of such electronical storage system of medical images.(3) Social impact of the results of such systems in the field of cooperation of hospitals with clinics, teleradiology, diagnostical education, cancer therapy as well as patient outcome must be proven.2. Results of research (1) and (2) below according to the purpose of the research of item (1) above are described as follows. Result of research (3) below according to the purpose of the research of item (2 … More ) above is described as follows.(1) Integration of HIS/RIS/PACS has been evaluated for these 5 years in Osaka University Hospital. Evaluation data were acquired by means of methods of time study for these 5 years. Quantitative evaluation of clinical outcome brought basic data for optimized design of PACS of next generation.(2) PACS which has more than 400 units of image display terminals for HIS functions has been evaluated by Osaka University. This HIS/RIS/PACS has functions of radiological diagnosis and reference.(3) Cost effectiveness of both experimental and practical systems for electronical storage of medical images were tried to be measured in terms of :a) Comparison of economical expenses for electronical storage of moving pictures such as digital cine-angiography applying DVD technology, MO technology and image data compression technologies was carried out.b) Economical expenses for hardware resources and the results of quantitative simulation of PACS performance such as response time employing such hardware resource were compared each other. Optimization of cost effectiveness was tried to get optimized design of PACS before purchasing hardware and software, and introducting such systems. Less