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An innovative strategy for standardized, structured, and interoperable results in ophthalmic examinations

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Authors
Mun, Yongseok; Kim, Jooyoung; Noh, Kyoung Jin; Lee, Soochahn; Kim, Seok; Yi, Soyoung; Park, Kyu Hyung; Yoo, Sooyoung; Chang, Dong Jin; Park, Sang Jun
Issue Date
2021-01-06
Publisher
BMC
Citation
BMC Medical Informatics and Decision Making. 2021 Jan 06;21(1):9
Keywords
Optical coherence tomographyOptical character recognitionDeep learningText detection
Abstract
Background
Although ophthalmic devices have made remarkable progress and are widely used, most lack standardization of both image review and results reporting systems, making interoperability unachievable. We developed and validated new software for extracting, transforming, and storing information from report images produced by ophthalmic examination devices to generate standardized, structured, and interoperable information to assist ophthalmologists in eye clinics.

Results
We selected report images derived from optical coherence tomography (OCT). The new software consists of three parts: (1) The Area Explorer, which determines whether the designated area in the configuration file contains numeric values or tomographic images; (2) The Value Reader, which converts images to text according to ophthalmic measurements; and (3) The Finding Classifier, which classifies pathologic findings from tomographic images included in the report. After assessment of Value Reader accuracy by human experts, all report images were converted and stored in a database. We applied the Value Reader, which achieved 99.67% accuracy, to a total of 433,175 OCT report images acquired in a single tertiary hospital from 07/04/2006 to 08/31/2019. The Finding Classifier provided pathologic findings (e.g., macular edema and subretinal fluid) and disease activity. Patient longitudinal data could be easily reviewed to document changes in measurements over time. The final results were loaded into a common data model (CDM), and the cropped tomographic images were loaded into the Picture Archive Communication System.


Conclusions
The newly developed software extracts valuable information from OCT images and may be extended to other types of report image files produced by medical devices. Furthermore, powerful databases such as the CDM may be implemented or augmented by adding the information captured through our program.
ISSN
1472-6947
Language
English
URI
https://hdl.handle.net/10371/173407
DOI
https://doi.org/10.1186/s12911-020-01370-0
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College of Medicine/School of Medicine (의과대학/대학원)Ophthalmology (안과학전공)Journal Papers (저널논문_안과학전공)
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