[Venous thrombosis during long-term corticoid therapy in chronic obstructive lung diseases].

Venous thrombosis is a serious disease. In the case of chronic obstructive lung diseases several causes of venous thrombosis coincide being polycythemia, thrombocythemia the patient's limitation of exercise and the low flow rate of the venous blood. The therapeutic administration of corticoids leads to polycythemia and thrombocythemia. The high risk of venous thrombosis must be always regarded in corticosteroid therapy of chronic obstructive lung disease. Preventive measures should be provided.