医生如何使用电子信息检索系统? 调查和系统审查的框架
1Department of Medicine, Oregon Health Sciences University, Portland 97201, USA. hersh@ohsu.edu
JAMA
|October 30, 1998
概括
医生很少使用电子信息检索 (IR) 系统,只检索了一小部分相关文章. 先进的搜索方法在基本的文本词搜索上没有显著的优势,这表明需要提高系统性能.
科学领域:
- 医疗信息学 医疗信息学
- 信息科学 信息科学 信息科学
- 临床信息系统临床信息系统
背景情况:
- 医生越来越多地可以使用电子信息检索 (IR) 系统.
- 这些系统在临床实践中的有效性在很大程度上仍未得到评估.
- 医生每天都面临着许多临床问题,这凸显了有效获取信息的必要性.
研究的目的:
- 建立一个概念框架来评估医生对IR系统的使用.
- 综合并将现有文献的发现应用到这个框架中.
- 找出当前关于IR系统有效性的研究中存在的差距.
主要方法:
- 对医学信息学和信息科学数据库 (1966-1998) 的综合文献搜索.
- 包括关于IR系统评估研究的文章,重点是医生用户.
- 开发一个评估框架,包括使用频率,目的,满意度,实用性,搜索失败和结果.
主要成果:
- 为制定框架确定了47篇文章,其中21篇符合纳入标准.
- 医生对IR系统的使用率很低 (0.3-9次/月),主要涉及文献数据库.
- 搜索只能检索出25-50%的相关文章,对应用程序的理解有限.
结论:
- 目前的IR系统,包括高级搜索功能,并没有显著超过基本的文本词搜索.
- 系统实用性和性能需要大幅度改进.
- 进一步的研究和开发对于提高医生对IR系统的价值至关重要.
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