• M L Cheatham and M L N G Malbrain.
• Acta Clin Belg. 2007 Jan 1; 62 Suppl 1: 98-112.

AbstractCardiovascular dysfunction and failure are commonly encountered in the patient with intra-abdominal hypertension or abdominal compartment syndrome. Accurate assessment and optimization of preload, contractility, and afterload, in conjunction with appropriate goal-directed resuscitation and abdominal decompression when indicated, are essential to restoring end-organ perfusion and maximizing patient survival. The validity of traditional hemodynamic resuscitation endpoints, such as pulmonary artery occlusion pressure and central venous pressure, must be reconsidered in the patient with intra-abdominal hypertension as these pressure-based estimates of intravascular volume have significant limitations in patients with elevated intra-abdominal pressure. If such limitations are not recognized, misinterpretation of the patient's cardiac status is likely, resulting in inappropriate and potentially detrimental therapy. Appropriate fluid administration is mandatory as under-resuscitation leads to organ failure and over-resuscitation the development of secondary abdominal compartment syndrome, both of which are associated with increased morbidity and mortality. Volumetric monitoring techniques have been proven to be superior to traditional intra-cardiac filling pressures in directing the appropriate resuscitation of this patient population. Calculation of the "abdominal perfusion pressure", defined as mean arterial pressure minus intra-abdominal pressure, has been shown to be a beneficial resuscitation endpoint as it assesses not only the severity of the patient's intra-abdominal hypertension, but also the adequacy of abdominal blood flow. Application of a goal-directed resuscitation strategy, including abdominal decompression when indicated, improves cardiac function, reverses end-organ failure, and minimizes intra-abdominal hypertension-related patient morbidity and mortality.

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