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Data Analysis and Knowledge Discovery  2016, Vol. 32 Issue (3): 50-57    DOI: 10.11925/infotech.1003-3513.2016.03.07
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Latent Semantic Analysis of Electronic Medical Record Text for Clinical Decision Making
Li Guolei1,Chen Xianlai1,2,3,Xia Dong4,Yang Rong5()
1Information Security and Big Data Research Institute, Central South University, Changsha 410013, China
2Key Laboratory of Medical Information Research (Central South University), College of Hunan Province, Changsha 410013, China
3Hunan Province Cooperative Innovation Center of Medical Big Data, Changsha 410013, China
4Chengdu Documentation and Information Center, Chinese Academy of Sciences, Chengdu 610041, China
5Xiangya Hospital, Central South University, Changsha 410078, China
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Abstract  

[Objective] This study aims to extract knowledge for clinical decision from electronic medical records through semantic analysis. [Methods] We first extracted clinical terms from the training samples by the word segmentation algorithm with the help of custom dictionary and statistical method. Then, we used latent semantic analysis to find the potential correlations between clinical terms and treatment plans. Finally, we established a latent semantic model to support gastric cancer treatments. [Results] We successfully extracted 605 treatment plans from 1000 test samples based on the discharge summary texts. [Limitations] Only discharge record texts were examined for this study. [Conclusions] The latent semantic analysis could effectively process electronic medical records to assist doctors’ clinical decision-making work, which posed positive effects to the development of electronic medical record applications.
Key words： Electronic medical record      Chinese text segmentation      Latent Semantic Analysis      Gastric cancer      Clinical decision support      Selection of treatment plans     
Received: 28 September 2015      Published: 12 April 2016
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Xia Dong
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Li Guolei, Chen Xianlai, Xia Dong, Yang Rong. Latent Semantic Analysis of Electronic Medical Record Text for Clinical Decision Making. Data Analysis and Knowledge Discovery, 2016, 32(3): 50-57.

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https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/10.11925/infotech.1003-3513.2016.03.07     OR     https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/Y2016/V32/I3/50

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