Abstract：Objective To investigate application and clinical results of damage control orthopedics (DCO) in treating unstable pelvic fractures combined with multiple trauma. Methods A retrospective analysis was done on the clinical data of 83 patients with unstable pelvic fractures combined with multiple trauma treated from 2007 to 2012. Among them, 51 patients managed by DOC were designed to treatment group, including 37 males and 14 females, at age of average 36.5 years. According to Tile classification, there were 29 patients with type B and 22 patients with type C fractures. The injury severity score (ISS) averaged 31.2 points. The patients in treatment group received external fixation in the first stage, but definitive operation was performed only when their physical condition reached stable. The other 32 patients were classified as control group, including 23 males and 9 females, at age of average 38.2 years. According to Tile classification, there were 19 patients with type B and 13 patients with type C fractures. The ISS averaged 30.8 points. The patients in the control group underwent definitive operation in the first stage. Results In the treatment group, 46 patients survived and five patients died, with postoperative complications in 10 patients. Only 43 patients in the treatment group were followed up, which showed excellence rate of 88% in fracture reduction quality according to Lindahl criterion, with Majeed score of (84.1±8.2) points. In the control group, 23 patients survived and nine died, with postoperative complications in 11. Twentyone patients in the control group received followup, which showed excellence rate of 91% in fracture reduction quality according to Lindahl criterion, with Majeed score of (79.0±9.8) points. Conclusion DCO is an effective and safe method in treatment of unstable pelvic fractures combined with multiple trauma, which improves survival rate, reduces complications and benefits postoperative functional restoration.
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