Chinese Journal of Tissue Engineering Research ›› 2011, Vol. 15 ›› Issue (24): 4516-4518.doi: 10.3969/j.issn.1673-8225.2011.24.036

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Effect of low-intensity ultrasound on washing open injury

Zhang Huan-bo, Wei Wei, Zheng Hong-yu   

  1. Emergency Department of First Affiliated Hospital of Kunming Medical College, Kunming 650031, Yunnan Province, China
  • Received:2011-02-07 Revised:2011-03-21 Online:2011-06-11 Published:2011-06-11
  • About author:Zhang Huan-bo, Attending physician, Emergency Department of First Affiliated Hospital of Kunming Medical College, Kunming 650031, Yunnan Province, China Zhb69982003@yahoo.com.cn

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Abstract:

BACKGROUND: Infection rate of open injury is high.
OBJECTIVE: To compare the effects of low-intensity ultrasound and traditional method on washing open wounds.
METHODS: Clinical data of 84 patients with open wounds were collected. Bacterial eradication and wound healing of 42 patients irrigated by low-intensity ultrasound were observed and compared with 42 patients (control group) undergoing regular flushing.
RESULTS AND CONCLUSION: The wound tissue bacterial clearance rate and A level union rate at 2 hours after debridement were significantly greater in observation group compared with control group (P < 0.01, P < 0.05). The area of wound healing at 5 days was greater in observation group compared with control group, and the average healing time was significantly shortened than the control group (P < 0.01). Results shown that low-intensity ultrasound wound washing machine can effectively wash the wound with simple operation and promote wound healing.

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