Table 4.

Drug intakes.

No.	tried drugs, already stopped	preoperative drug intake	3 months drug intake	1 year drug intake	drug intake at last follow-up
1	Pregabaline various opiates	Carbamazepine 1,200 mg Anafranil 75 mg Tramadol and Buprenorphine-Patch	Carbamazepine 800 mg Anafranil 75 mg	Carbamazepine 800 mg	Carbamazepine 1,200 mg
2	Carbamazepine Opiates	Tramadol 200mg Ibuprofen 1800mg Pregabaline 100 mg Rivotril 1 mg	Pregabaline 100 mg Venlafaxine 150 mg Rivotril 0,5 mg	Pregabaline 100 mg Venlafaxine 150 mg	0
3	Amitriptyline	Carbamazepine 800mg Gabapentine 600 mg	Carbamazepine 600 mg	Carbamazepine 200mg	0
4	Pregabaline	Diclofenac	0	0	0
5	Carbamazepine, Pregabaline Gabapentine, Tramal, Amitriptyline, Naproxen, Paracetamol, Tizanidin	Durogesic-Patch 25 und 12 μg Targin i.R. Venlaflaxine 75 mg Trimipramine 25 mg	Targin 5 mg Trimipramine 25 mg	Targin 5 mg Trimipramine 25 mg	Oxynorm 1-0-1* Trimipramine 25 mg
6	–	Carbamazepine CR 1000mg, Pregabaline 200mg, Clomipramine 50 mg Modafinil 400 mg	Carbamazepine CR 900 mg, Pregabaline 375 mg Clomipramine SR 75 mg Modafinil 400 mg	Clomipramine SR 75 mg Oxcarbazepine 900 mg	Clomipramine SR 75 mg Oxcarbazepine 900 mg
7	Pregabaline Carbamazepine Morphium	Oxcarbazepine 900 mg, Cymbalta 60 mg 0/0/1, Tapentadol 300 mg	Oxcarbazepine 450 mg	Oxcarbazepine 900mg	Oxcarbazepine 900mg
8	-	Carbamazepine 800 mg	Carbamazepine 200 mg	Carbamazepine 200 mg	Carbamazepine 200 mg

^*taken in a context of chronic lumbovertebral pain syndrome.