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文献考察：preventable trauma death（防ぎうる外傷死）
３）totalで13%，入院後は27％．
J Trauma. 1995 Nov;39(5):955-62.
Analysis of preventable trauma deaths and inappropriate trauma care in a rural state.
Esposito TJ, Sanddal ND, Hansen JD, Reynolds S.
OBJECTIVE: The goal of this study was to determine the rate of preventable mortality and inappropriate care in cases of traumatic death occurring in a rural state. DESIGN: This is a retrospective case review. MATERIALS AND METHODS: Deaths attributed to mechanical trauma throughout the state and occurring between October 1, 1990 and September 30, 1991 were examined. All cases meeting inclusion criteria were reviewed by a multidisciplinary panel of physicians and nonphysicians representing the prehospital as well as hospital phases of care. Deaths were judged frankly preventable, possibly preventable, or nonpreventable. The care rendered in both preventable and nonpreventable cases was evaluated for appropriateness according to nationally accepted guidelines. MEASUREMENTS AND MAIN RESULTS: The overall preventable death rate was 13%. Among those patients treated at a hospital, the preventable death rate was 27%. The rate of inappropriate care was 33% overall and 60% in-hospital. The majority of inappropriate care occurred in the emergency department phase and was rendered by one or more members of the resuscitation team, including primary contact physicians and surgeons. Deficiencies were predominantly related to the management of the airway and chest injuries. CONCLUSIONS: The rural preventable death rate from trauma is not dissimilar to that found in urban areas before the implementation of a trauma care system. Inappropriate care rendered in the emergency department related to airway and chest injury management occurs at a high rate. This seems to be the major contributor to preventable trauma deaths in rural locations. Education of emergency department primary care providers in basic principles of stabilization and initial treatment may be the most cost-effective method of reducing preventable deaths in the rural setting.PMID: 7474014
４）12.9%（possibly preventable 10.3％，definitely preventable 2.6%）
J Trauma. 1996 Jul;41(1):83-90.
A study of preventable trauma mortality in rural Michigan.
Maio RF, Burney RE, Gregor MA, Baranski MG.
OBJECTIVE: To determine the preventable death rate (PDR) and the frequency and types of inappropriate medical care in a large, rural region of Michigan. DESIGN: A prospective study of all deaths caused by injury during a 1-year period. METHODS: Preventability of death and appropriateness of care were determined using a structured implicit review process and expert panel. A second panel was convened to confirm the reliability of the review process. MAIN RESULTS: One hundred fifty-five injury-related deaths underwent panel review. Four deaths (2.6%) were found to be definitely preventable and 16 (10.3%) possibly preventable, for a combined preventable death rate of 12.9%. Sixty-five deaths (41.9%) occurred in the emergency department or hospital; 18 of these (27.7%) were judged to be definitely preventable or possibly preventable. Forty-three episodes of inappropriate care were identified in 27 (17.4%) of the 155 cases reviewed. These occurred primarily in the emergency department and hospital rather than during prehospital care or transfer. CONCLUSIONS: A relatively small percentage of trauma fatalities in rural Michigan could have been prevented by more appropriate or timely medical care. Efforts to improve the care of injured persons in rural Michigan should be directed primarily at the emergency department and inpatient phases of trauma system care.PMID: 8676428
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