一个集成的管道用于预测Clostridioides difficile感染
Jiang Li1, Durgesh Chaudhary2,3, Vaibhav Sharma4
1Department of Molecular and Functional Genomics, Geisinger Health System, Danville, PA, USA.
Scientific reports
|October 2, 2023
概括
我们开发了一个机器学习模型,使用电子健康记录和遗传数据来预测Clostridioides difficile感染 (CDI). 我们强大的管道尽量减少偏见,并评估遗传因素的影响,以改善临床风险预测.
科学领域:
- 基因组学就是基因组学.
- 机器学习 机器学习
- 流行病学 流行病学
背景情况:
- 电子健康记录 (EHR) 链接的基因组数据的日益普及,有助于开发先进的机器学习模型.
- 迫切需要强大的管道来评估综合模型的性能,并减轻医疗保健数据中的系统偏差.
- 困难菌感染 (CDI) 构成了重大的公共卫生挑战,需要提高预测能力.
研究的目的:
- 开发和评估一种基于机器学习的预测模型,用于症状性Clostridioides difficile感染 (CDI).
- 为了更好的预测,将基于EHR的常见临床风险因素与遗传风险因素 (rs2227306/IL8) 结合起来.
- 建立一个全面的管道,尽量减少系统偏差,并彻底评估遗传特征的贡献.
主要方法:
- 通过整合EHR数据和遗传风险因子rs2227306 (IL8) 开发了CDI的预测模型.
- 采用了包括表型算法在内的管道,以最大限度地减少时间偏差,用于预测功率评估的模拟研究,以及用于混控制的倾向性得分匹配.
- 利用过量采样的机器学习算法来处理数据不平衡,并优化偏差差异权衡模型.
主要成果:
- 用单独的临床风险因素和与遗传特征相结合,评估了CDI预测模型的性能.
- 量化了将遗传信息纳入模型的预测效益.
- 证明了开发的管道在提供综合遗传特征的彻底评估方面的有效性.
结论:
- 基于EHR的临床因素和遗传信息的整合,在一个强大的管道的指导下,可以改善症状性CDI的预测.
- 开发的方法有效地减少了系统偏见,并为评估预测模型中遗传特征的实用性提供了一个框架.
- 这种方法对于推进精准医学和改善患者的治疗结果至关重要,因为它可以对CDI进行早期识别和干预.
更多相关视频
12:58A Protocol to Characterize the Morphological Changes of Clostridium difficile in Response to Antibiotic Treatment
Published on: May 25, 2017
9.0K
09:12A Protein Microarray Assay for Serological Determination of Antigen-specific Antibody Responses Following Clostridium difficile Infection
Published on: June 15, 2018
10.2K
相关概念视频
Rapid Identification of Pathogens
MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...
Automated Microbial Diagnostics
Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...
