- Developing a national surveillance system for stroke and acute myocardial infarction using claims data in the Republic of Korea: a retrospective study
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Tae Jung Kim, Hak Seung Lee, Seong-Eun Kim, Jinju Park, Jun Yup Kim, Jiyoon Lee, Ji Eun Song, Jin-Hyuk Hong, Joongyub Lee, Joong-Hwa Chung, Hyeon Chang Kim, Dong-Ho Shin, Hae-Young Lee, Bum Joon Kim, Woo-Keun Seo, Jong-Moo Park, Soo Joo Lee, Keun-Hwa Jung, Sun U. Kwon, Yun-Chul Hong, Hyo-Soo Kim, Hyun-Jae Kang, Juneyoung Lee, Hee-Joon Bae
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Osong Public Health Res Perspect. 2024;15(1):18-32. Published online January 31, 2024
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DOI: https://doi.org/10.24171/j.phrp.2023.0248
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 - Objectives
Limited information is available concerning the epidemiology of stroke and acute myocardial infarction (AMI) in the Republic of Korea. This study aimed to develop a national surveillance system to monitor the incidence of stroke and AMI using national claims data. Methods: We developed and validated identification algorithms for stroke and AMI using claims data. This validation involved a 2-stage stratified sampling method with a review of medical records for sampled cases. The weighted positive predictive value (PPV) and negative predictive value (NPV) were calculated based on the sampling structure and the corresponding sampling rates. Incident cases and the incidence rates of stroke and AMI in the Republic of Korea were estimated by applying the algorithms and weighted PPV and NPV to the 2018 National Health Insurance Service claims data. Results: In total, 2,200 cases (1,086 stroke cases and 1,114 AMI cases) were sampled from the 2018 claims database. The sensitivity and specificity of the algorithms were 94.3% and 88.6% for stroke and 97.9% and 90.1% for AMI, respectively. The estimated number of cases, including recurrent events, was 150,837 for stroke and 40,529 for AMI in 2018. The age- and sex-standardized incidence rate for stroke and AMI was 180.2 and 46.1 cases per 100,000 person-years, respectively, in 2018. Conclusion: This study demonstrates the feasibility of developing a national surveillance system based on claims data and identification algorithms for stroke and AMI to monitor their incidence rates.
- Case of Rickettsia typhi-induced Brain Abscess Mimicking Brain Tumor
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Yoonhyuk Jang, Jangsup Moon, Jin-Sun Jun, Tae-joon Kim, Kyung-Il Park, Soon-Tae Lee, Keun-Hwa Jung, Sang Kun Lee, Kon Chu
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Osong Public Health Res Perspect. 2018;9(3):122-125. Published online June 30, 2018
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DOI: https://doi.org/10.24171/j.phrp.2018.9.3.07
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Abstract
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Murine typhus is one of the most prevalent rickettsial infections in the world, caused by the bacterial genus Rickettsia. Though the disease manifests a relatively benign clinical course with fever, rash, and headache being the 3 classic symptoms, neurological complications may arise in patients that could become permanent. In this case study, a patient with a brain abscess caused by R typhi infection is described. Based upon the recent reemergence of arthropod-borne disease, the findings in this case are significant; R typhi can cause a brain abscess that mimics a brain tumor, which delays the diagnosis and appropriate management of the disease. Murine typhus should always be considered when performing the differential diagnosis of brain abscesses in South Korea. -
Citations
Citations to this article as recorded by  - Meningoencephalitis and retinal vasculitis due to rickettsial infection
Louisa Lehner, Stephan Thurau, Konstantin Pusl, Steffen Tiedt, Florian Schöberl, Robert Forbrig, Günter Höglinger, Michael Strupp
Journal of Neurology.2024; 271(3): 1469. CrossRef - Typhus group Rickettsia community-acquired bacterial central nervous system infections: We must think outside the box!
Pauline B. Roxas, Justice Cruz, Nicole Rae Horelka, Cesar Burgos, Jana Radwanski, Fernando Baires, Miguel Sierra-Hoffman, Heike Hesse, Amy C. Madril
Journal of the Neurological Sciences.2024; 466: 123281. CrossRef - Giant Actinomyces brain abscess in an immunocompetent child: A management strategy
Nicole H. Chicoine, Jackson Griffith-Linsley, Joling Goh, John J. Manaloor, Jeffrey S. Raskin
Surgical Neurology International.2021; 12: 325. CrossRef
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