Can sciatica be repaired?

Possibly: If by "repaired" you mean pain alleviated and the condition reversed. Sciatica is a layman's term for pain in the leg. Is is often caused by irritation of a spinal nerve (e.g. Due to herniated disc). There is a procedure to relieve the pain and let the disc heal. It is a "cold" radio frequency procedure on the nerve root called pulsed rf. I have written about it-look up articles-see web.

Yes and no: Sciatica that results from a disc herniation compressing or irritating a nerve in the lower back could potentially be cured with surgery. Most sciatica will improve with time and conservative treatment. The body does the best job at healing itself.

Spine Pain Options: This chronic pain in the distribution as you suggested is the result of an irritated nerve or facet joints or other injury typically in the lumbar spine (low back) which are caused by herniated disks, spinal stenosis or degenerative disc disease, etc requiring further evaluation by a spine specialist and may be candidate for facet injections/radiofrequency ablation and epidural steroid injection.