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J Korean Soc Emerg Med > Volume 10(1); 1999 > Article
Journal of The Korean Society of Emergency Medicine 1999;10(1): 85-90.
Factors Affecting to Injury Severity of Free-Fall Patients
Sung Pil Chung, Sang Weon Chung, Hyun Soo Chung, Tae Sik Hwang, Wen Jeon Chang, Hahn Shick Lee
BACKGROUND: We designed this study to determine whether trauma history and initial assessment anticipate the injury severity of the free-fall patient.
Two hundred patients who admitted emergency department of Severance hospital because of the fall from a height were enrolled in this study. The height of fall, the body orientation, and the characteristics of impacted material, and the Injury Severity Score(ISS) were evaluated by retrospective chart reviews. And regression equations were determined for predicting ISS on the basis of clinical parameters using multiple regression analysis.
According to the characteristics of impacted material, the ISS was higher in the hard surface(13.7+/-9.5) than the sort surface(10.5+/-8.8)(p<0.05). There were correlations between height of fall and ISS(p<0.01, r=0.5). To the body orientation, the ISS was higher in the head-to-feet orientation(18.211.7) than the feet-to-head(10.9+/- 7.0) or other position(8.5+/-5.8)(p<0.01). The regression equations were as follows, ISS=2 +0.082xage(year)-1.54x(Glasgow Coma Scale)-3x(feet-to-head orientation)+0.65x height of fall(m)+2.7 x (hand surface)(p<0.01, R2=0.53).
This study suggest that the injury severity of patient with free fall are significancy related to the height of fall, the characteristics of impacted material and the body orientation.
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