[Spontaneous retroperitoneal hemorrhage induced by anticoagulation treatment].

Contribution of one case of spontaneous retroperitoneal haemorrhage presented after therapy with anticoagulants. Review of causes of transperitoneal haemorrhage, relative frequency, as well as signs and symptoms, and diagnosis. The sparse number of haemorrhagic complications after anticoagulant therapy with heparin and urokinase-associated adjusted heparin are described. Treatment is instituted based on precipitating condition and, in the present case, with suppression of medication and volume replacement together with an strict evolutive monitoring by means of ultrasound, computerized axial tomography (CT) and magnetic nuclear resonance (MNR).