 Sevofluorane is used as a sedative and Bupivacain as well as Ultiva infusions as pain management. Epidural catheter is used for pain treatment at th-12-L1 level. The transfusion regime is standardised. Pain treatment: Post-operatively - epidurally administered Bupivacain 2.5 mg ml 5-6 ml h in 3 full days. Peripheral pain treatment is tablet paracetamol 1g x 4 and from day 2, two tablets Ibuprofen 400 mg x 3. 