Effects of Electrical Stimulation on Femoral Fracture Healing in a Dog Model

전기자극이 개의 대퇴골절 치유에 미치는 영향

  • Published : 2003.09.01

Abstract

This study was performed to investigate the effects of electrical stimulation on femoral fracture healing in dogs. Eight healthy dogs from 4 to 5 $\beta^3$ were used in this experiment. In the treatment group, anode and cathode were connected to proximal and distal site apart from the fracture line by 2 cm and electrical stimulation was applied to the fracture site for l5minutes by 2 V, 25 Hz and for a month. The control group was connected to electrostimulator as the treatment group, but no electrical stimulation was applied. Various parameters were evaluated including radiograph and serum levels of total-ALP(TALP), bone-ALP(BALP) and osteocalcin. The radiography revealed more rapid callus formation in the treatment group than in the control by about a week. The total-ALP levels of the treatment group were higher than those of the control group from the 2nd to the 24th day(p< 0.05). The bone-ALP levels of the treatment group were significantly higher than those of the control from the 2nd to the 24th day(p< 0.05). The bone-ALP/ total-ALP ratios of the treatment group were higher than those of control throughout this experiment but there were no significance. There were no significance in the osteocalcin levels between two groups. In conclusion, the electrical stimulation on femoral fracture site was effective for bone healing in dogs.

Keywords

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