Fig. 2

There is an inverse relationship between a patient’s limb occlusion pressure (LOP) vs the ratio of tourniquet cuff width to patient limb circumference. Thirty-four healthy normotensive volunteers were included in the study. The use of a wider tourniquet induces a lower LOP, and a lower tourniquet pressure level may be used to sufficiently occlude arterial blood flow into a limb. (Adapted with permission from Wolters Kluwer: Noordin S, McEwen JA, Kragh CJF, Eisen A, Masri BA. Surgical Tourniquets in Orthopaedics: The Journal of Bone and Joint Surgery-American Volume. 2009;91(12):2958–2967. Reprinted with permission of Wolters Kluwer from: Graham B, Breault MJ, McEwen JA, McGraw RW. Occlusion of Arterial Flow in the Extremities at Subsystolic Pressures Through the Use of Wide Tourniquet Cuffs: Clinical Orthopaedics and Related Research. 1993;(286):257–261. The Creative Commons license does not apply to this content. Use of the material in any format is prohibited without written permission from the publisher, Wolters Kluwer Health, Inc. Please contact permissions@lww.com for further information)