[The prevention of thromboembolic disease by physical means. Use of an external electric stimulator. Initial results obtained during hip surgery].

The authors report their preliminary results using an external electric stimulator in hip surgery. One group received electric stimulation and the control group did not. There were 75 patients in each group and each patient underwent a total hip replacement. In the non-stimulated group, there were 15 DVT's (20%) and in the stimulated group 3 (4%). These results are discussed.