Hemodynamic response to aortic crossclamping

Systemic hemodynamic response to aortic crossclamping. Preload does not necessarily increase. If during infrarenal aortic crossclamping blood volume shifts into the splanchnic vasculature, preload does not increase.

AoX: aortic crossclamping; Ao: aortic; R art: arterial resistance; CO: cardiac output; ↑: increase; ↓: decrease.
* Different patterns are possible.

Reproduced from: Gelman S. The pathophysiology of aortic cross-clamping and unclamping. Anesthesiology 1995; 82:1026. Copyright © 1995 American Society of Anesthesiologists. Reproduced with permission from Wolters Kluwer Health. Unauthorized reproduction of this material is prohibited.

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