Articles: emergency-medicine.
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Prospective and contemporaneous medical and economic cost studies of 144 victims of motor vehicle crashes admitted to a regional level I trauma center with multiple injuries (ISS > or = 16) revealed 122 non-ejected patients, of whom 102 required extrication (EXTRIC) from the vehicle for physical or medical reasons and 20 who did not (N group). There were no differences in age (EXTRIC, 34 +/- 17 years; N, 41 +/- 24 years), type of crash (Frontal: 57% EXTRIC, 60% N; Lateral: 32% EXTRIC, 35% N) restraint use (35% EXTRIC, 35% N), or mortality (29% EXTRIC, 30% N). However, the estimated maximum speed before the crash was higher in EXTRIC patients (50 +/- 16 mph vs. 46 +/- 18 mph N, p < 0.04), as was the change in velocity (delta V) on impact (EXTRIC 30 +/- 15 mph; N, 24 +/- 8 mph, p < 0.01). ⋯ In lateral MVCs, brain injuries were also more commonly associated with CIs of the side window frame or A pillar (72% CI vs. 25% no CI; p < 0.035); but as a whole in MVCs in which extrication was necessary, lower extremity injuries from instrument panel or toepan CIs appeared more frequent than those resulting from contacts only (p < 0.0001). In EXTRIC patients, 69% of those in shock had CI injuries, and 80% of the deaths in the EXTRIC group were associated with CI injury. These data suggest that measures designed to prevent CIs by strengthening car passenger compartment structures may reduce the incidence of severe brain and lower extremity injuries and may reduce the need for extrication after MVCs.
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Editorial Comment
Data, epidemiology, and the future strength of emergency medicine.
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The attitudes of emergency physicians toward using medical techniques in out-of-hospital medical cardiac arrest scenarios were assessed. The physicians' willingness to further limit the use of these techniques through prehospital Do Not Attempt Resuscitation (DNAR) protocols and their personal use of advance directives were also assessed. Questionnaires were distributed to the 1990 Council of the American College of Emergency Physicians, San Francisco, CA, to elicit demographic and clinical information. ⋯ Only one-third of respondents had any type of advance directive for themselves. Experienced emergency physicians recognize that there are limits to the application of medical techniques, but are less willing to stop pediatric resuscitations, than they are to stop adult resuscitations. Emergency physicians agree on the need for prehospital DNAR protocols, but few have completed their own advance directives.