Why after spine surgery does my back pain continue?

Success rate not100: Success rate for surgical treatment of ack pain 70%in some groups drops to under 50% depressed smokers work comp mva previouss failed surgery chronic narcotic use all high risk groups for surgical dissatisfaction.

Many reasons: Back pain following spine surgery may be related to proper diagnosis and the treatment selected. In addition in regard to sciatica, it may related to the degree of damage to the nerve roots prior to surgery. If there has been a fusion, there may be a failure of the fusion to take (pseudoarthrosis). There may muscle weakness from lack of exercise. Scar tissue & hardware failure have been implicate.

Varies: There are multiple potential causes. Probably sitting down to discuss this with your surgeon would be a good first step. Don't hesitate to seek a second opinion as well.