[Environmental diagnostics for venous thromboembolism - thrombophilia and tumor screening].

Inadequate treatment of venous thromboembolism can have fatal consequences that are often irreversible. If the indication is given, long-term therapeutic anticoagulation may be necessary to reduce the risk of recurrence for those affected. On the other hand, there is an increased risk of bleeding due to continued anticoagulation, so an individual risk/benefit assessment is necessary. A careful assessment of possible contributing factors is therefore essential. If uncertainty persists, comprehensive environmental diagnostics with regard to thrombophilia or cancer can be helpful.