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Documents 基于RIM标准术语接口的医疗信息检索
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  • Author Author: sophie0love
  • Date Created: 23 Nov 2010 2:03 PM Date Created
  • Last Updated Last Updated: 9 Nov 2021 4:51 PM
  • Views 506 views
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基于RIM标准术语接口的医疗信息检索

随着我国数字化医院建设的快速推进,在各个医疗机构的数据库中积累了大量的临床医疗数据.然而,离开工程技术人员的帮助,临床医生、科研人员以及管理人员几乎不可能对这些数据进行自由检索,从而对数据进行更高层次的分析利用。虽然工程技术人员已经开发一些检索分析工具,但这些工具仅能支持已知的检索需求且功能通常存在局限性.因此,研究一种临床医生、科研人员以及管理人员可自由检索的医疗信息检索方法具有十分重要的应用价值。同时,由于不存在标准的临床医疗数据库设计方案,目前不同医疗机构的数据库结构千差万别,这就要求上述医疗检索方法能够适应这种异构的数据库环境。因此,本论文以基于RIM标准术语模型的检索接口、基于XML技术的医疗术语映射系统为主要研究内容,尝试建立一种基予RIM标准术语接口的医疗信息检索平台,以支持临床医生、科研人员以及管理人员对临床医疗数据进行深入的分析和利用,具体来说: (1)在详细分析HL7 V3中RIM标准术语模型的基础上,利用UMLS(统一医学语言系统)对RIM术语内容进行扩展,研究一种基于RIM标准术语模型的检索接口。 (2)利用XML技术和Python脚本技术,研究并设计了一种支持多样化运算关系的医疗术语映射系统(Medical Term Mapping),从而建立起了RIM标准术语接口与异构数据库之间的映射机制。 (3)通过深入分析医疗检索需求,并以上述标准术语接口和医疗数据映射系统为基础,设计一种以标准术语为接口构造检索语句的医疗信息检索方法,该方法返回与检索条件相符合的病人及其诊断索引信息。 在上述研究成果的基础上,本论文以一个临床医疗数据库为实例,在建立医疗术语映射关系的基础上,实现了一个基于RIM标准术语接口的医疗信息检索系统。实验结果表明,本论文给出的基于RIM标准术语接口的医疗信息检索方法为临床医生、科研人员以及管理人员自由组织检索语句提供了一种途径,并为最终实现医疗信息的自由检索提供了思路。

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