Search for: [Abstract = "The staged Fontan approach is nowadays widely used to treat children with single ventricle. Its goal is to connect the systemic venous return with the pulmonary arteries and to use the only ventricle as the systemic ventricle. The aim of the surgical intervention in the neonatal period is to create a balanced pulmonary and systemic circulation. During the next stage \(the hemi\-Fontan operation or the bidirectional Glenn shunt\) the superior vena cava is connected with the pulmonary arteries. After this procedure upper body part has increased venous pressure. Following the last stage \(the Fontan operation\) blood from the inferior vena cava is driven to the pulmonary arteries causing elevation in the central venous pressure in the lower body part and the liver. The palliative nature of the Fontan procedure is associated with many complications in the postoperative period, including hepatic failure, pleural effusions, protein\-losing enteropathy, arrhythmias, thromboembolic complications and coagulation abnormalities. The possible factors associated with changes in the haemostatic system are liver dysfunction, hypoxia, decreased absorption and synthesis of vitamin K, single ventricular dysfunction and hemodynamic changes. The study was designed to assess the coagulation profile in children with functionally single ventricle in the early postoperative period after the hemi\-Fontan and"]

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