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Year : 2017  |  Volume : 51  |  Issue : 3  |  Page : 318-323

Combined negative pressure wound therapy with open bone graft for infected wounds with bone defects: An experimental study

Department of Orthopaedics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei Province, China

Correspondence Address:
Kai Deng
169, East Lake Road, Wuhan 430071, Hubei Province
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ortho.IJOrtho_220_16

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Background: Bone and soft-tissue defects in infected wound have been an intractable problem to many surgical consultations. Infected wounds with bone defects are physical and financial burden to society. Nowadays, infected wounds with compound defect of bone and soft tissues are common in orthopedics department. Currently, no simple and efficient treatment has been found to solve this problem. This study investigates the effects of combining negative pressure wound therapy (NPWT) with open bone graft on this focus. Materials and Methods: Twenty four rabbits with bone and soft tissue defects accompanied infected wounds were randomized into experimental (combined NPWT with open bone graft) and contrast group (only open bone graft). Treatment efficacy was assessed by the wound condition; wound healing time, bacterial bioburden, and bony callus were evaluated by X-ray. Furthermore, samples of granulation tissue from wounds on the 3rd, 7th, and 14th days of healing were evaluated for blood vessels and expression of vascular endothelial growth factor. Results: Wounds in the experimental group tended to have shorter healing time, healthier wound conditions, lower bacterial bioburden, better bony callus, and more blood supply than those in the controlled group. Conclusions: In conclusion, NPWT combined open bone graft can act as a feasible and valuable method to treat combined infected bone and soft-tissue defects.

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