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目的：探求多发伤后多系统脏器衰竭的早期指征。方法：选择了68例因交通事故所致的胸腹联合伤病人于入院后损伤发生6h内至急诊手术后6天对中性粒细胞计数，补体C3、C4、CH50，乳酸脱氨酶，总胆红素，谷草转氨酶，肌酐，C反应蛋白诸项指标进行连续观察，并按最终是否出现多系统脏器衰竭（MSOF）分为两组，对相应的项目进行比较分析。结果：MSOF组外周血补体C3、C4和CH50明显低于非MSOF组。结论：科体系统的激活情况是早期预测MSOF的较好指标，对临床上及早干预MSOF的出现或进展可能有重要意义。
Objective: To explore the early indications of multiple system organ failure after multiple injuries. Methods: Sixty - four cases of combined thoracoabdominal and abdominal injuries caused by traffic accident were recruited within 6 hours after admission to hospital and 6 days after emergency operation. Neutrophil count, complement C3, C4, CH50, lactate deaminase, Total bilirubin, aspartate aminotransferase, creatinine and C-reactive protein were continuously observed. The patients were divided into two groups according to whether there were MSOS in the end, and the corresponding items were compared and analyzed. Results: The levels of C3, C4 and CH50 in MSOF group were significantly lower than those in non-MSOF group. Conclusion: Activation of the body system is a good indicator of early prediction of MSOF, which may be of great significance for the early onset or progression of MSOF in clinical intervention.