Trauma remains the leading cause of morbidity and mortality in the United States among children from the age 1 year to 21 years old. The most common cause of lethality in pediatric trauma is traumatic brain injury (TBI). Early coagulopathy has been commonly observed after severe trauma and is usually associated with severe hemorrhage and/or traumatic brain injury. In contrast to adult patients, massive bleeding is less common after pediatric trauma. The classical drivers of trauma-induced coagulopathy (TIC) include hypothermia, acidosis, hemodilution and consumption of coagulation factors secondary to local activation of the coagulation system following severe traumatic injury. Furthermore, there is also recent evidence for a distinct mechanism of TIC that involves the activation of the anticoagulant protein C pathway. Whether this new mechanism of posttraumatic coagulopathy plays a role in children is still unknown. The goal of this review is to summarize the current knowledge on the incidence and potential mechanisms of coagulopathy after pediatric trauma and the role of rapid diagnostic tests for early identification of coagulopathy. Finally, we discuss different options for treating coagulopathy after severe pediatric trauma.
hcDNA is released following injury and correlates with coagulopathy, endothelial glycocalyx damage, and poor clinical outcome early after severe pediatric trauma. These results indicate that hcDNA may play an important role in development of coagulation abnormalities and endothelial glycocalyx damage in children following trauma.
A 59-year-old white male with carcinoid tumor and hepatic metastases underwent hepatic artery embolization. The patient developed carcinoid crisis and a subsequent transthoracic echocardiogram showed classic findings of carcinoid heart disease along with a dilated hypertrophied right ventricle and severely depressed right ventricular ejection fraction. After treatment with octreotide the patient's clinical condition improved and a repeat transthoracic echocardiogram showed a significant improvement and normalization of right ventricular systolic function. Serotonin levels showed a progressive decline that correlated well with the patient's improved clinical condition. These findings suggest that the acute right ventricular dysfunction was secondary to acute carcinoid crisis and resolution resulted in a significant improvement of both right ventricular systolic function and clinical condition.
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