Military antishock trousers. Effect on hemodialysis-induced hypotension

To evaluate the effect of military antishock trousers (MAST) on hemodialysis-induced hypotension, we observed seven patients undergoing maintenance hemodialysis treatment. We saw each patient on two separate occasions during four-hour hemodialysis treatments. On one occasion , we inflated the MAST to a pressure of 45 mm Hg over the lower extremities and 15 mm Hg over the abdomen; on the second occasion, the MAST were not inflated. Blood pressure was recorded at 15-minute intervals. We found no significant difference between the mean arterial pressure with MAST inflation and that in the control studies. The weight losses during the two studies were also similar. We suggest that, despite their reported efficacy in post-trauma hypotension, MAST are not effective in managing dialysis-induced hypotension.