[Hemothorax during subclavian catheterization. Risk factors not be neglected].

In the post operative course of a peritonitis, the need for a central venous catheter. A 800 ml hemothorax in the left pleura occurred. It could not be relieved with a chest-tube, and had to be evacuated through a thoracotomy. The risk factors to be considered in this case were sequellae of an inner third clavicle fracture and an arterial hypertension; although the patient was given a minimal dose of calcium heparinate.