Publications by authors named "Won Cha"

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Span-based annotation framework for LLM-based clinical named entity recognition: development and validation using Korean emergency department notes.
Eun Hye Jang, Javier Aguirre, Sangji Lee, Hyeyoon Moon, Won Chul Cha

JAMIA Open· December 2025

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Automated Evaluation Framework for AI-Generated Emergency Department Documentation: A Chain-of-Thought Validation Study.
Dasol Choi, Junhyuk Seo, Won Cul Cha, Minha Kim, Sejin Heo, Hansol Chang

Clin Exp Emerg Med· December 2025

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Real-World Comparison of Lenvatinib and Sorafenib as First-Line Treatments for Hepatocellular Carcinoma: A Multicenter Study.
Mira Kang, Won Chul Cha, Dong Hyun Sinn, Woo Kyoung Jeong, Do Young Kim

J Hepatocell Carcinoma· December 2025

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Enhancing patient participation in emergency department through patient-Friendly clinical notes generated by large Language models.
Sung-In Kim, Joonyoung Park, Taewan Kim, Woosuk Seo, Taerim Kim, Won Chul Cha

Sci Rep· December 2025

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From prediction to action: a retrospective observational study on the real-world implementation of Critical Interventions (CrIs), an AI-based clinical decision support system changing clinical behavior in the emergency department.
Hansol Chang, Jae Yong Yu, Hyunjung Park, Yee Jun Song, Sejin Heo, Won Chul Cha

BMC Med Inform Decis Mak· November 2025

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Comparison of SHAP and clinician friendly explanations reveals effects on clinical decision behaviour.
Sujeong Hur, Yura Lee, Joongheum Park, Yeong Jeong Jeon, Jong Ho Cho, Won Chul Cha

NPJ Digit Med· September 2025

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Impact of an Evidence-Based Large Language Model (LLM) Diagnostic Decision Support System: A Randomised Controlled Trial.
Sangah Ahn, Joongheum Park, Sujeong Hur, Kwang Yul Jung, Jae-Ho Lee, Won Chul Cha

Stud Health Technol Inform· August 2025

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Development and Validation of Pneumonia Patients Prognosis Prediction Model in Emergency Department Disposition Time.
Sunjin Hwang, Sejin Heo, Sungjun Hong, Won Chul Cha, Junsang Yoo

Stud Health Technol Inform· August 2025

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Development and validation of a transformer model-based early warning score for real-time prediction of adverse outcomes in the emergency department.
Hansol Chang, Jong Eun Park, Daehwan Lee, Kiwon Lee, Se Yong Jekal, Won Chul Cha

Sci Rep· July 2025

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The Impact of Introducing a Temporary Telemedicine Policy on Primary Care Visits: An Analysis of National Claims Data in South Korea.
Sejin Heo, Weon Jung, Sung Yeon Hwang, Tae Gun Shin, Hee Yoon, Won Chul Cha

Telemed J E Health· June 2025

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Correction: A Mixed Reality-Based Telesupervised Ultrasound Education Platform on 5G Network Compared to Direct Supervision: Prospective Randomized Pilot Trial.
Minha Kim, Meong Hi Son, Suhyeon Moon, Won Chul Cha, Ik Joon Jo

JMIR Serious Games· June 2025

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Comparison of Emergency Department Overcrowding Metrics and Healthcare Providers' Subjective Assessments.
Ji Sim Yoon, Junhyuk Seo, Junsang Yoo, Won Chul Cha

Stud Health Technol Inform· June 2025

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Acceptability and Feasibility of a Mobile Web Application to Help Identify Nontraumatic Abdominal Patient-Reported Symptoms in the Emergency Department: A Pilot Study.
Sejin Heo, Minjung Kathy Chae, Suyoung Yoo, Won Chul Cha

J Am Coll Emerg Physicians Open· June 2025

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Optimizing Automated KCD Coding: A Retrieval-Verification Approach.
Sangji Lee, Won Chul Cha

Stud Health Technol Inform· May 2025

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Prediction of contrast-associated acute kidney injury with machine-learning in patients undergoing contrast-enhanced computed tomography in emergency department.
Kyungho Lee, Weon Jung, Junseok Jeon, Hansol Chang, Jung Eun Lee, Won Chul Cha

Sci Rep· February 2025

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A Mixed Reality-Based Telesupervised Ultrasound Education Platform on 5G Network Compared to Direct Supervision: Prospective Randomized Pilot Trial.
Minha Kim, Meong Hi Son, Suhyeon Moon, Won Chul Cha, Ik Joon Jo

JMIR Serious Games· January 2025

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Prognostic Efficacy of the Albumin-Bilirubin Score and Treatment Outcomes in Hepatocellular Carcinoma: A Large-Scale, Multi-Center Real-World Database Study.
Kyu-Pyo Kim, Kang Mo Kim, Baek-Yeol Ryoo, Won-Mook Choi, Won Chul Cha

Liver Cancer· December 2024

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The potential for drug incompatibility and its drivers - A hospital wide retrospective descriptive study.
Nahyun Keum, Junsang Yoo, Sujeong Hur, Soo-Yong Shin, Patricia C Dykes, Won Chul Cha

Int J Med Inform· November 2024

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Evaluation Framework of Large Language Models in Medical Documentation: Development and Usability Study.
Junhyuk Seo, Dasol Choi, Taerim Kim, Won Chul Cha, Minha Kim

J Med Internet Res· November 2024

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Temporary Telemedicine Policy and Chronic Disease Management in South Korea: Retrospective Analysis Using National Claims Data.
Ji Ye Kang, Weon Jung, Hyun Ji Kim, Ji Hyun An, Hee Yoon, Hansol Chang, Won Chul Cha

JMIR Public Health Surveill· November 2024

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A trial of a chat service for patients and their family members in an emergency department.
Sejin Heo, Song-Hee Kim, Se Uk Lee, Sung Yeon Hwang, Hee Yoon, Hansol Chang, Won Chul Cha

BMC Health Serv Res· September 2024

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Efficacy of anti-hyperkalemic agents during cardiopulmonary resuscitation in out-of-hospital cardiac arrest.
Gun Tak Lee, Daun Jeong, Jong Eun Park, Se Uk Lee, Taerim Kim, Won Chul Cha

Heliyon· August 2024

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ChatGPT Predicts In-Hospital All-Cause Mortality for Sepsis: In-Context Learning with the Korean Sepsis Alliance Database.
Namkee Oh, Won Chul Cha, Jun Hyuk Seo, Seong-Gyu Choi, Jong Man Kim, Chae-Man Lim

Healthc Inform Res· July 2024

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