
Why Check Bone Health Before Spine Surgery?
You are discussing treatment for a pinched nerve, and the conversation turns to bone density. Why check your bones when the nerve is what hurts?
Because identifying the problem and preparing to treat it are separate parts of good care. If surgery is being considered—particularly a fusion—bone health deserves attention.
Why does bone health matter to the operation?
A fusion depends on bone growing together. Screws, rods, or other fixation may help hold the treated area steady during that process; they do not replace the need for bone healing. [1]
Osteoporosis can increase the risk of complications after spine surgery. The Congress of Neurological Surgeons recommends preoperative assessment when osteoporosis is suspected and a discussion of the added risks when it is confirmed. [2]
That makes a bone-health check part of treatment planning—not a distraction from your symptoms.
Wouldn't I know if my bones were weak?
Not necessarily. Osteoporosis often causes no symptoms until a fracture occurs. It affects men as well as women, and risk increases with age. Feeling strong or never having broken a bone does not rule it out. [3]
Useful information to bring to a visit includes:
- Previous fractures, especially after a minor fall.
- Prior bone-density results and any osteoporosis treatment.
- Long-term steroid use or other medicines that may affect bone.
- A family history of osteoporosis or hip fracture. [3,4]
What might the assessment include?
It starts with medical history and risk factors. A DXA scan measures bone mineral density, commonly at the hip and spine. Depending on the situation, blood tests may help assess vitamin D or look for contributing conditions. The exact evaluation should answer a clinical question; every patient does not need every test. [2,4]
A bone-density test also does not identify which structure is causing back or leg pain. That still requires matching the history, examination, and relevant imaging.
What can change if low bone density is found?
The discussion may include nutrition, appropriate activity, fall prevention, and prescription treatment when indicated. Supplements alone are not a complete treatment plan for every person with osteoporosis. [4]
The CNS guideline found evidence supporting selected preoperative treatment with the bone-building medicine teriparatide in patients with osteoporosis. That does not mean everyone considering spine surgery should take it, or that all bone medicines have the same surgical evidence. [2]
How these findings affect an individual operation—its timing, technique, or alternatives—requires a discussion with the treating team. A test result alone cannot settle that decision.
What questions should you ask?
- Do my risk factors or the proposed procedure call for a bone-health assessment?
- If a problem is found, what would change in my treatment plan?
- Who will coordinate bone-health treatment and follow-up?
- What problem would surgery address, and what less invasive options remain appropriate?
What is the takeaway?
Bone health is one part of deciding how to deliver appropriate care. It is not, by itself, a reason to have spine surgery.
First identify the pain generator or neurologic problem. Then choose the least invasive appropriate treatment. When an operation is warranted, preparation should include the factors that could affect its safety and healing.
Sources
- American Academy of Orthopaedic Surgeons. Spinal Fusion.
- Dimar J, et al. Congress of Neurological Surgeons systematic review and evidence-based guideline: Preoperative Osteoporosis Assessment. Neurosurgery. 2021;89(Suppl 1):S19–S25. doi:10.1093/neuros/nyab317.
- National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS). Osteoporosis: Overview, Symptoms, and Causes. Reviewed December 2022.
- NIAMS. Osteoporosis: Diagnosis, Treatment, and Steps to Take. Reviewed December 2022.






















