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The Journal of Bone & Joint Surgery British Volume
Vol. 83-B, Issue 8 | Pages 1130 - 1132
1 Nov 2001
Asano H Matsubara M Suzuki K Morita S Shinomiya K

We carried out a prospective, randomised study of 62 patients to determine the efficacy of a foot sole pump (the A-V Impulse System) for the prevention of pulmonary embolism (PE) after hip surgery. PE was assessed by pulmonary perfusion scintigraphy before and after operation. We defined a PE as any new scintigraphic defect which was larger than a bronchopulmonary segment.

The incidence of PE was 55% in the control group and 21% in the treatment group. The foot sole pump significantly reduced the incidence of PE (p = 0.008) and we encountered no side-effects from its use.