通过上下文识别查询和索引增强临床信息检索
Andrew Wen1, Yanshan Wang1, Vinod C Kaggal2
1Division of Digital Health Sciences Mayo Clinic, Rochester MN, USA.
Proceedings : ... IEEE International Conference on Big Data. IEEE International Conference on Big Data
|January 12, 2024
概括
这项研究通过结合临床背景来增强电子健康记录 (EHR) 的搜索,提高了检索相关性高达23.1%,查询速度提高了35%. 这种先进的信息检索 (IR) 方法促进了临床决策.
科学领域:
- 医疗信息学 医疗信息学
- 信息检索 信息检索
- 临床数据科学 临床数据科学
背景情况:
- 电子健康记录 (EHR) 的数量不断增加,需要为临床实践,研究和管理提供高效的搜索能力.
- 一般信息检索 (IR) 方法难以应对临床数据的复杂性,无法考虑否定和时间性等上下文因素.
- 在护理点准确识别相关的临床叙述对于有效的决策至关重要.
研究的目的:
- 提高搜索大规模电子健康数据的准确性和效率.
- 通过结合语义上下文来解决临床领域一般IR方法的局限性.
- 评估整合上下文信息对检索质量,执行时间和存储要求的影响.
主要方法:
- 使用Elasticsearch实现了一个解决方案,将语义上下文 (否定,时间性,主体) 纳入IR索引和评分中.
- 进行实验,将新方法与基线方法进行比较.
- 评估了对检索质量 (相关性),查询执行时间和存储需求的影响.
主要成果:
- 在检索质量 (相关性) 中实现了5.1-23.1%的改进.
- 与基线方法相比,显示了35%更快的查询执行时间.
- 观察到空间需求增加了1.5-2倍,索引时间增加了3倍.
结论:
- 整合上下文信息显著提高了从EHR中检索临床信息 (IR) 的相关性.
- 拟议的解决方案显示出有希望的可扩展性,随着时间和空间成本的可控增加.
- 这种方法为临床决策支持系统和医学研究提供了宝贵的进步.
相关概念视频
01:27Nursing Clinical Information System
779
Nursing Clinical Information System (NCIS)
A Nursing Clinical Information System (NCIS) is a specialized type of healthcare information system tailored to meet the unique needs of nursing practice. It incorporates the principles of nursing informatics to streamline information management and improve the quality of care delivery.
Critical attributes of NCIS include:
A Nursing Clinical Information System (NCIS) is a specialized type of healthcare information system tailored to meet the unique needs of nursing practice. It incorporates the principles of nursing informatics to streamline information management and improve the quality of care delivery.
Critical attributes of NCIS include:
779
01:11Clinical Trials: Overview
3.0K
Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
3.0K
01:30Health Information Technology and Healthcare Information System
841
Health Information Technology (HIT)
Health Information Technology, commonly called HIT, integrates advanced information systems and technology in healthcare settings. Its primary functions include:
Health Information Technology, commonly called HIT, integrates advanced information systems and technology in healthcare settings. Its primary functions include:
841
01:16Clinical Trials
6.7K
Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...
There are four phases in a clinical trial. A phase one...
6.7K
01:13Therapeutic Index
4.3K
The therapeutic index of a drug is a key parameter in pharmacology that quantifies the relative safety of a drug by calculating the ratio between the dose that causes toxicity in half the population (50%) to the dose that proves to be effective for half the population (50%). It provides a spectrum of doses for a particular drug ranging from effective to potentially toxic. To illustrate, consider an anticoagulant agent like warfarin. It possesses a narrow window within its therapeutic index to...
4.3K
01:30Specialized Care Centers and Settings-II
726
Rural Health Centers
Rural health centers are specialized care facilities in remote locations with very few medical personnel. The primary care providers who run the centers are mostly Registered Nurse Practitioners. Here, emergency treatment is provided to critically ill or injured patients before they are transferred to the closest hospital. Fortunately, due to advancement in technology, many rural healthcare facilities and professionals have easy access to diagnostic and treatment...
Rural health centers are specialized care facilities in remote locations with very few medical personnel. The primary care providers who run the centers are mostly Registered Nurse Practitioners. Here, emergency treatment is provided to critically ill or injured patients before they are transferred to the closest hospital. Fortunately, due to advancement in technology, many rural healthcare facilities and professionals have easy access to diagnostic and treatment...
726