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{
    "pk": 16231,
    "title": "Medical Malpractice and Diagnostic Errors in Japanese Emergency Departments",
    "subtitle": null,
    "abstract": "Introduction: Emergency departments (ED) are unpredictable and prone to diagnostic errors. In addition, non-emergency specialists often provide emergency care in Japan due to a lack of certified emergency specialists, making diagnostic errors and associated medical malpractice more likely. While several studies have investigated the medical malpractice related to diagnostic errors in EDs, only a few have focused on the conditions in Japan. This study examines diagnostic error-related medical malpractice lawsuits in Japanese EDs to understand how various factors contribute to diagnostic errors.\nMethods: We retrospectively examined data on medical lawsuits from 1961-2017 to identify types of diagnostic errors and initial and final diagnoses from non-trauma and trauma cases.\nResults: We evaluated 108 cases, of which 74 (68.5%) were diagnostic error cases. Twenty-eight of the diagnostic errors were trauma-related (37.8%). In 86.5% of these diagnostic error cases, the relevant errors were categorized as either missed or diagnosed incorrectly; the others were attributable to diagnostic delay. Cognitive factors (including faulty perception, cognitive biases, and failed heuristics) were associated with 91.7% of errors. Intracranial hemorrhage was the most common final diagnosis of trauma-related errors (42.9%), and the most common initial diagnoses of non-trauma-related errors were upper respiratory tract infection (21.7%), non-bleeding digestive tract disease (15.2%), and primary headache (10.9%).\nConclusion: In this study, the first to examine medical malpractice errors in Japanese EDs, we found that such claims are often developed from initial diagnoses of common diseases, such as upper respiratory tract infection, non-hemorrhagic gastrointestinal diseases, and headaches.",
    "language": "en",
    "license": {
        "name": "Creative Commons Attribution 4.0",
        "short_name": "CC BY 4.0",
        "text": "Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.\r\n\r\nNo additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.",
        "url": "https://creativecommons.org/licenses/by/4.0"
    },
    "keywords": [
        {
            "word": "Malpractice"
        },
        {
            "word": "emergency department"
        },
        {
            "word": "hospital"
        },
        {
            "word": "Japan"
        },
        {
            "word": "diagnostic errors"
        }
    ],
    "section": "Legal Medicine",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/3r94w5qq",
    "frozenauthors": [
        {
            "first_name": "Taiju",
            "middle_name": "",
            "last_name": "Miyagami",
            "name_suffix": "",
            "institution": "Juntendo University, Department of General Medicine, Bunkyō, Tokyo, Japan",
            "department": "None"
        },
        {
            "first_name": "Takashi",
            "middle_name": "",
            "last_name": "Watari",
            "name_suffix": "",
            "institution": "Shimane University Hospital, General Medicine Center, Department of General Medicine, Izumo City, Shimane, Japan; University of Michigan Medical School, Department of Medicine, Ann Arbor, Michigan, United States of America",
            "department": "None"
        },
        {
            "first_name": "Taku",
            "middle_name": "",
            "last_name": "Harada",
            "name_suffix": "",
            "institution": "Nerima Hikarigaoka Hospital, Division of General Medicine, Tokyo, Japan; Dokkyo Medical University Hospital, Department of Diagnostic and Generalist Medicine, Mibu, Shimotsuga, Tochigi, Japan",
            "department": "None"
        },
        {
            "first_name": "Toshio",
            "middle_name": "",
            "last_name": "Naito",
            "name_suffix": "",
            "institution": "Juntendo University, Department of General Medicine, Bunkyō, Tokyo, Japan",
            "department": "None"
        }
    ],
    "date_submitted": "2021-12-19T07:48:34-08:00",
    "date_accepted": "2021-12-19T07:48:34-08:00",
    "date_published": "2023-02-20T10:53:41-08:00",
    "render_galley": null,
    "galleys": [
        {
            "label": "",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/westjem/article/16231/galley/8145/download/"
        }
    ]
}