By Alok Sharan, MD, MHCDS, board-certified orthopedic spine surgeon · Medically reviewed November 1, 2026
Many spine operations can be done without general anesthesia. The main options are spinal anesthesia (one injection that numbs you from the waist down), epidural anesthesia, and local anesthesia with IV sedation. You breathe on your own, stay comfortable and relaxed, and avoid the breathing tube and the after-effects of being fully asleep.
What are the anesthesia options for spine surgery?
| Option | How it works | Commonly used for | What to know |
|---|---|---|---|
| Spinal anesthesia + light IV sedation | One injection into the fluid around the lower spinal nerves numbs you from about the waist down for a few hours. | Lumbar laminectomy, discectomy, and 1–2 level lumbar fusion (such as TLIF) | The most studied option. Numbness starts within minutes. |
| Epidural anesthesia | Medicine flows through a thin catheter near the spinal nerves and can be topped up. | Longer lumbar procedures | Takes longer to start working than a spinal. |
| Local anesthesia + IV sedation | The surgeon numbs the skin and deeper tissue at the incision; sedation keeps you relaxed. | Endoscopic discectomy and some endoscopic fusions | Uses the smallest incisions. |
| Nerve blocks (such as erector spinae plane block) | Numbs the muscles around the incision. | Added to any approach, including general anesthesia | Mainly for pain control after surgery. |
Will I be awake during surgery?
You are sedated, not fully asleep. Most patients doze through the operation and remember little of it, but they breathe on their own and wake up clear-headed. Light sedation also lets the team check in with you during surgery.
How does awake spine surgery compare with general anesthesia?
In studies of lower-back surgery, spinal anesthesia is linked to shorter operations, shorter hospital stays, and less pain and opioid use than general anesthesia. Most of that evidence comes from retrospective studies, so larger randomized trials are still needed.
In Dr. Sharan’s own study of 75 patients having 1–2 level minimally invasive lumbar fusion (TLIF), patients who had spinal anesthesia did better on several measures:
| Measure | Spinal anesthesia (29 patients) | General anesthesia (46 patients) |
|---|---|---|
| Time in the operating room | 164 minutes | 196 minutes |
| Time in the recovery room | 82 minutes | 103 minutes |
| Highest pain score in recovery (0–10) | 3.3 | 6.0 |
| Opioid doses in recovery | 2.4 | 5.4 |
| Nausea or vomiting | 41% | 50% (difference not significant) |
| Average hospital stay | 0.97 days | 1.30 days (difference not significant) |
Source: Sekerak, Sharan et al., Journal of Clinical Orthopaedics and Trauma, 2020.
A 2022 review of 12 studies and 2,796 patients, co-authored by Dr. Sharan, found that spinal anesthesia led to shorter hospital stays than general anesthesia for 1–3 level lumbar surgery. A 2025 review of seven meta-analyses found the same pattern for operating time, hospital stay, and blood loss.
Who is a good candidate for spine surgery without general anesthesia?
Good candidates usually need lower-back surgery at one or two levels, such as a laminectomy, discectomy, or lumbar fusion. Avoiding general anesthesia can matter most for people with heart or lung disease, sleep apnea, obesity, or older age, and for anyone who reacted badly to general anesthesia before.
It may not be right for you if you:
- Take blood thinners that can’t be safely paused
- Have an infection in the skin of the lower back
- Need a long or complex operation, such as scoliosis correction (Dr. Sharan uses general anesthesia for scoliosis)
- Can’t lie still or feel very anxious about being sedated rather than asleep
What are the downsides?
Temporary trouble urinating after surgery is more common with spinal anesthesia, and a headache from the injection is possible but uncommon. If the operation runs longer than planned or you become uncomfortable, the anesthesiologist can switch to general anesthesia. Not every hospital or anesthesia team offers awake spine surgery.
Can I go home the same day?
Most do. In Dr. Sharan’s practice, about 70% of fusion patients and 95% of laminectomy patients go home the same day.
Talk to Dr. Sharan
To find out which option fits your spine, book a consultation with Dr. Alok Sharan at the Spine and Performance Institute in Edison, NJ: call (732) 898-3950.
References
- Sekerak R, Mostafa E, Morris MT, Nessim A, Vira A, Sharan A. Comparative outcome analysis of spinal anesthesia versus general anesthesia in lumbar fusion surgery. J Clin Orthop Trauma. 2021;13:122–126. Link
- Urick D, Sciavolino B, Wang TY, Gupta DK, Sharan A, Abd-El-Barr MM. Perioperative outcomes of general versus spinal anesthesia in the lumbar spine surgery population. J Clin Orthop Trauma. 2022;30:101923. Link
- Ononogbu-Uche FC, … Sharan A, Abd-El-Barr MM, Braxton EE. Reconsidering anesthesia in lumbar surgery: an umbrella review of awake versus general anesthesia. J Clin Med. 2025. Link
- Garg B, Ahuja K, Sharan AD. Awake spinal fusion. J Clin Orthop Trauma. 2020;11(5):749–752. Link
- Garg B, Ahuja K, Sharan AD. Regional anesthesia for spine surgery. J Am Acad Orthop Surg. 2022;30(17):809–819.
- Lee JK, Park JH, Hyun SJ, Hodel D, Hausmann ON. Regional anesthesia for lumbar spine surgery: can it be a standard in the future? Neurospine. 2021;18(4):733–740. Link
- Rangnekar A, et al. Efficiency of spinal anesthesia versus general anesthesia for minimal invasive single level TLIF: 178 patients. J Minim Invasive Spine Surg Tech. 2022;7(1):107–112. Link
