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Objectives: To describe our experience using D-dimer levels in attending pediatric
emergencies.
Methods: For this retrospective descriptive study we reviewed all emergency patient
records in which D-dimer levels were measured in 2005 and 2006. We compiled
descriptive statistics and analyzed the association between levels of D-dimer and Creactive
protein (as a marker of inflammatory response) using a nonparametric
correlation test.
Results: Rash and fever were the main reasons for attending the emergency room. The
D-dimer level was elevated in 34.3% of the cases. D-dimer and C-reactive protein levels
were not correlated. The D-dimer level was elevated in 71% of the patients with sepsis.
Conclusions: D-dimer elevation is a nonspecific marker in certain inflammatory processes.
It is difficult to interpret, may lead to confusion, and should be read in a manner that is
consistent with the clinical context. Prospective studies are needed to provide evidence of
its utility as a marker in acute conditions in children.