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J Korean Soc Emerg Med > Volume 20(3); 2009 > Article
Journal of The Korean Society of Emergency Medicine 2009;20(3): 280-287.
Predictors of Mortality in Hemodynamically Unstable Traumatic Patients with Pelvic Fracture
Kyung Hwan Song, Byung Kook Lee, Hyun Ho Ryu, Jung Mi Moon, Byeong Jo Chun, Yong Il Min
Department of Emergency Medicine, School of Medicine, Chonnam National University, Gwangju, Korea. bbukkuk@hanmail.net
Pelvic fracture is one of the more serious skeletal injuries, resulting in substantial mortality. The large amount of kinetic energy necessary to fracture the bony pelvis often leads to concomitant thoraco-abdominal injury. Pelvic fracture and combined injuries need effective initial resuscitation. However, it is hard to predict mortality due to the complexity of multiple injuries. Therefore, the purpose of this study was to identify factors predicting mortality in patients with pelvic fracture and concomitant thoraco-abdominal injury.
A retrospective study was performed on 174 cases of pelvic fracture who visited the Emergency Department between January 2003 and June 2008. Data were collected regarding demographic characteristics, mechanism of injury, injury severity score (ISS), Abbreviated Injury Score (AIS), Simplified Acute Physiologic Score II (SAPS II), transfusion requirements, fluid requirements, the findings on angiography, hemoglobin level, platelet count, prothrombin time (PT), fibrinogen, albumin, base deficit, lactate, anti-thrombin III, length of ICU stay, and total hospitalization days. Pelvic fracture categories were derived by adapting the Young-Burgess classification.
One hundred forty patients survived (Group I); 34 died (Group II). Blood pressure, pulse rate, hemoglobin, albumin, lactate, base deficit, PT, fibrinogen and Antithrombin III were significantly different between two groups. Transfusion, fluid requirements, ISS and SAPS II were significantly higher in group II. Extravasation on the CT was more frequent found in group II. The ISS 1.194 (95% CI, 1.076~1.325) and SAPS II 1.162 (95% CI,1.042~1.296) were independent significant predictors of mortality.
Predictors of mortality in pelvic fracture patients should be available during the first attempt at resuscitation. The ISS and SAPS II were the most important predictors in defining mortality.
Key words: Pelvic bones, Multiple Trauma, Mortality, Prognosis
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