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June 1944, Vol 48, No. 6 >
ARTICLE | June 1944

EFFECTS OF CONTINUOUS AND OF INTERMITTENT APPLICATION OF A TOURNIQUET TO A TRAUMATIZED EXTREMITY

ALFRED BLALOCK, M.D.
Arch Surg. 1944;48(6):489-490. doi:10.1001/archsurg.1944.01230010502010.
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It is generally recognized1 that one should not employ a tourniquet for the control of bleeding if other means will suffice. If the use of a tourniquet is necessary, it is desirable to release it from time to time in order that some oxygen may be transported to the ischemic tissues. Unfortunately, the conditions in which the use of a tourniquet is required for the control of bleeding are usually such that intermittent release results in the loss of a prohibitive quantity of blood. Nevertheless, it appeared to be of interest to investigate experimentally the comparative effects of continuous and of intermittent application of a tourniquet to a traumatized extremity. In previous experiments2 it was found that the application of a tourniquet to a traumatized extremity reduced the chances of survival of the animal. Additional studies3 showed that cooling of the part distal to the tourniquet lessened

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