• Critical care clinics · Apr 2016

    Review

    Abdominal Circulatory Interactions.

    • Gaurav Dagar, Amit Taneja, and Rahul S Nanchal.
    • Division of Pulmonary and Critical Care Medicine, Medical College of Wisconsin, Suite E 5200, 9200 West Wisconsin Avenue, Milwaukee, WI 53226, USA.
    • Crit Care Clin. 2016 Apr 1; 32 (2): 265-77.

    AbstractThe abdominal compartment is separated from the thoracic compartment by the diaphragm. Under normal circumstances, a large portion of the venous return crosses the splanchnic and nonsplanchnic abdominal regions before entering the thorax and the right side of the heart. Mechanical ventilation may affect abdominal venous return independent of its interactions at the thoracic level. Changes in pressure in the intra-abdominal compartment may have important implications for organ function within the thorax, particularly if there is a sustained rise in intra-abdominal pressure. It is important to understand the consequences of abdominal pressure changes on respiratory and circulatory physiology. This article elucidates important abdominal-respiratory-circulatory interactions and their clinical effects.Copyright © 2016 Elsevier Inc. All rights reserved.

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