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[Utility of biomarkers in abdominal pain management].

EN
Abdominal pain conditions that fall into the category of acute abdomen (AA) are the most important ones to identify quickly. Diagnostic delay can lead to death or significant complications. Biological markers have the potential to improve the diagnostic and prognostic capacity of clinical assessment and the conventional complement of tests. This review aims to explore the relevance of several markers to the management of AA in the emergency department. Creactive protein (CRP), procalcitonin, and lactate are the biomarkers most often used in the emergency department. CRP is often analyzed in the context of AA, but it is very difficult to establish a cutoff that gives good sensitivity and specificity. The kinetics of CRP make it the most sensitive biomarker and one that is appropriate for assessing severity before the onset of clinical signs of severe sepsis or altered hemodynamics. Lactate is a marker of poor tissue perfusion, a key element in the management of severe sepsis and septic shock in AA. Since lactate testing is easy and inexpensive, this important biomarker is useful in the emergency department.