| Objective:To analyze retrospectively the general situation of the wounded in Second Affiliated Hospital of Chongqing Medical University after Wenchuan earthquake. To Analysis the effect of Negative pressure wound therapy on the open wounds in earthquake.Method:The analysis was based on the data collected from the department of information of the hospital up to May 28.The software of EXCEL was used for data input , and the retrospective analysis was used for data analysis with SPSS 11.5.Results: 92 cases from the disaster area had been treated in the hospital including 42 men and 50 women, with a median age of 40 years. About 91.3 percent patients were sent to the hospital between May 19 and May 21. The wounded were mainly admitted into the departments of orthopedics(50,54.34%) and trauma. Among the 92 wounded, 84 of them were orthopedic wounded, and 42 of them were open wound, and 50 of them were closed wound. Among the open wound, 17 of them were cultured positive with the secretion. The time which was spent on healing the amputation wound was 29.67 days with Negative pressure wound therapy and 33.00 days with conventional therapy. The time which was spent on the large wound needed skin grafting was 16.5 days to prepare and 33.62 days to heal with Negative pressure wound therapy, and 20.75 days to prepare and 48 days to heal with conventional therapy.Conclusion :The patients were sent to hospital with apparent clustering, so the rear hospital should prepare to distribute and triage the patients in advance. The vast majority of earthquake damages were orthopedic wounded. Compare to conventional therapy, Negative pressure wound therapy can promote wound healing, reduce the time preparing wound bed, reduce the infection opportunities of the wound and cross infection between wounds, and reduce the frequency of dressing changing and clinical work. The Negative pressure wound therapy is worth of wound treatment in earthquake wound.
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