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Please use this identifier to cite or link to this item: http://ir.fmu.ac.jp/dspace/handle/123456789/422

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Title: The off-hour effect on trauma patients requiring subspecialty intervention at a community hospital in Japan: a retrospective cohort study
Authors: Ono, Yuko
Ishida, Tokiya
Iwasaki, Yudai
Kawakami, Yutaka
Inokuchi, Ryota
Tase, Choichiro
Shinohara, Kazuaki
Affiliation: 救急医療学講座
Source title: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
Volume: 23
Start page: 20
Issue Date: Feb-2015
Abstract: Background: Because most community hospitals in Japan do not maintain 24-h availability of in-house anesthesiologists, surgeons, and interventional radiologists, staffing dramatically declines during off hours. It is unclear whether, in such under-resourced hospitals, trauma patients presenting during off hours and requiring subspecialty intervention have worse outcomes than those who present during business hours. Methods: This was a retrospective cohort study at a community hospital in Japan. Participants were all injured patients requiring emergency trauma surgery or transarterial embolization who presented from January 2002 to December 2013. We investigated whether outcomes of these patients differed between business hours (8:01 AM to 6:00 PM weekdays) and off hours (6:01 PM to 8:00 AM weekdays plus all weekend hours). The primary outcome measure was mortality rate, and the secondary outcome measures were duration of emergency room (ER) stay; unexpected death (death/probability of survival > 0.5); and adverse events occurring in the ER. We adjusted for potential confounders of age, sex, Injury Severity Score (ISS), Revised Trauma Score, presentation phase (2002–2005, 2006–2009, and 2010–2013), Charlson Comorbidity Index, and injury type (blunt or penetrating) using logistic regression models. Results: Of the 805 patients included, 379 (47.1%) presented during business hours and 426 (52.9%) during off hours. Off-hours presentation was associated with longer ER stays for patients with systolic blood pressure < 90 mmHg on admission (p = 0.021), ISS >15 (p = 0.047), and pelvic fracture requiring transarterial embolization (p < 0.001). Off-hours presentation was also associated with increased risk of adverse events in the ER (odds ratio [OR] 1.7, 95% confidence interval [CI] 1.1–2.7, p = 0.020). After adjustment for confounders, an increased risk of adverse events (OR 1.6, 95% CI 1.1–2.7, p = 0.049) persisted, but no differences were detected in mortality (p = 0.80) and unexpected death (p = 0.44) between off hours and business hours. Conclusions: At a community hospital in Japan, presentation during off hours was associated with a longer ER stay for severely injured patients and increased risk of adverse events in the ER. However, these disadvantages did not impact mortality or unexpected outcome.
Publisher: BioMed Central
language: eng
URI: http://ir.fmu.ac.jp/dspace/handle/123456789/422
Full text URL: http://ir.fmu.ac.jp/dspace/bitstream/123456789/422/1/ScandJTrauma_23_20.pdf
ISSN: 1757-7241
DOI: 10.1186/s13049-015-0095-1
Related Page: http://dx.doi.org/10.1186/s13049-015-0095-1
Rights: © 2015 Ono et al.; licensee BioMed Central. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
Rights: http://creativecommons.org/licenses/by/4.0
Appears in Collections:a10 学術雑誌論文等 = Journal Article

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