Most herniated discs in the low back do not need surgery to recover. In the best-known randomized trial, early surgery for sciatica relieved leg pain faster than waiting, but outcomes at one year were similar, and most patients in both groups recovered. Many herniations also shrink on their own. Surgery has a clear role for some patients. These are the numbers I give patients in Charlotte who are weighing it after a car accident.
The Leiden Sciatica Trial
A Dutch trial randomized 283 patients who had severe sciatica for 6 to 12 weeks to early surgery or to prolonged conservative care with surgery if needed (Peul, N Engl J Med 2007). In the early surgery group, 89% had a microdiscectomy, on average 2.2 weeks after randomization. In the conservative group, 39% eventually had surgery, on average 18.7 weeks after randomization.
Leg pain improved faster with early surgery, and patients in that group reported recovery sooner. Disability scores over the first year did not differ significantly. At one year, the probability of perceived recovery was 95% in both groups.
Put plainly, surgery bought speed. It did not change where most patients ended up at one year. About six in ten patients assigned to wait did not have an operation during the study year.
Many Herniations Shrink
A systematic review of patients with lumbar disc herniation treated without surgery, each imaged at least twice, estimated how often the herniation regressed on its own (Chiu, Clin Rehabil 2015). Regression occurred in 96% of sequestrations, 70% of extrusions, 41% of protrusions, and 13% of bulges. Complete resolution occurred in 43% of sequestrated discs and 15% of extruded discs.
The larger, more displaced herniations were the most likely to shrink. A frightening-looking extrusion on an MRI is, in this data, more likely to regress than a small protrusion.
The Neck Has Similar Data
In a population-based study of 561 people with cervical radiculopathy, pain from a pinched nerve root in the neck, 26% had surgery during a median follow-up of 4.9 years (Radhakrishnan, Brain 1994). Radicular pain with sensory loss and objective muscle weakness predicted the decision to operate. At last follow-up, 90% were symptom-free or only mildly limited.
When Surgery Is the Right Call
None of this means surgery is wrong. The Leiden trial shows that faster relief of leg pain is a real benefit, and some patients value it. Progressive weakness, loss of bladder or bowel control, or numbness in the groin needs urgent surgical evaluation, not a trial of waiting. Those situations were outside what these studies tested.
What This Means After a Car Accident
For a patient with a herniated disc after a crash and no red flags, conservative care with close monitoring is a reasonable first course, and a surgical consultation is reasonable when pain is severe or not improving. Both choices are supported. For future care estimates, a surgical recommendation should be grounded in findings and course, because the trial evidence shows surgery is often a choice about speed, not a requirement for recovery.
For an example of how post-collision imaging findings and outcomes are documented in the peer-reviewed literature, read Dr. Justin Dick's published case report on refractory lumbar pain following a motor vehicle accident in a geriatric patient.
Frequently Asked Questions
Do herniated discs need surgery?
Most do not. In a trial of 283 patients with sciatica, early surgery relieved leg pain faster, but one-year outcomes were similar, and 61% of the conservative group did not have surgery during the first year (Peul, N Engl J Med 2007).
Can a herniated disc heal without surgery?
Many shrink. A systematic review found regression in 96% of sequestrations, 70% of extrusions, 41% of protrusions, and 13% of bulges (Chiu, Clin Rehabil 2015).
Is surgery faster for sciatica?
Yes. Early surgery relieved leg pain and produced perceived recovery faster than prolonged conservative care (Peul, N Engl J Med 2007).
When is surgery urgent for a herniated disc?
Progressive weakness, loss of bladder or bowel control, or numbness in the groin needs urgent surgical evaluation.
How does Dr. Justin Dick approach herniated discs after a car accident?
Dr. Justin Dick in Charlotte, NC monitors neurologic findings closely, coordinates surgical consultation when pain is severe or not improving, and refers urgently for red flags.
Where can I get a herniated disc evaluated after a car accident in Charlotte, NC?
Dr. Justin Dick, DC, CNMT, ARRT(N)(CT), sees car accident patients at Clear Life Scoliosis and Chiropractic Center, 8814 Rachel Freeman Way, Suite 103, Charlotte, NC 28278, phone 980-368-0766. Personal injury patients are treated on a lien basis, with no out-of-pocket payment at the time of care.
Sources and Evidence Tiers
- Peul WC, van Houwelingen HC, van den Hout WB, et al. Surgery versus prolonged conservative treatment for sciatica. N Engl J Med. 2007;356(22):2245-2256. PMID 17538084. LinkEvidence tier: Randomized controlled trial (283 patients)
- Chiu CC, Chuang TY, Chang KH, Wu CH, Lin PW, Hsu WY. The probability of spontaneous regression of lumbar herniated disc: a systematic review. Clin Rehabil. 2015;29(2):184-195. PMID 25009200. LinkEvidence tier: Systematic review
- Radhakrishnan K, Litchy WJ, O'Fallon WM, Kurland LT. Epidemiology of cervical radiculopathy: a population-based study from Rochester, Minnesota, 1976 through 1990. Brain. 1994;117(Pt 2):325-335. PMID 8186959. LinkEvidence tier: Population-based cohort (561 patients)
About the author. Dr. Justin M. Dick, DC, is the owner and treating clinician at Clear Life Scoliosis and Chiropractic Center in Charlotte, NC. He holds dual imaging credentials as a Certified Nuclear Medicine Technologist (CNMT) and as an ARRT-registered technologist in nuclear medicine and CT, ARRT(N)(CT). He is a Senior Fellow of the CLEAR Institute, holds the ISICO World Masters credential, is a SOSORT provisional member, and is a certified DOT medical examiner on the FMCSA National Registry. He has multiple peer-reviewed publications indexed in PubMed and serves as adjunct faculty at Life, Sherman, and Palmer chiropractic colleges.
Service Area
Clear Life Scoliosis and Chiropractic Center sees personal injury and spinal imaging patients from Charlotte NC, Huntersville NC, Ballantyne NC, Matthews NC, Concord NC, Mooresville NC, Rock Hill SC, and Fort Mill SC.
Related Pages
- Personal injury and car accident spinal care in Charlotte
- Dr. Justin Dick's research
- Case report: refractory lumbar pain after a motor vehicle accident
- Research and evidence at Clear Life
- Questions and answers
- Our team
- Press
- Book your evaluation
- Contact Clear Life
Clear Life Scoliosis and Chiropractic Center
8814 Rachel Freeman Way, Suite 103
Charlotte, NC 28278
Phone: 980-368-0766
Email: office@clearlifescoliosis.com
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