Considering Surgery? It's Okay to Ask About the Risks

No surgery, no matter how advanced or minimally invasive, is entirely without risk — and any surgeon who tells you otherwise isn't being fully honest. If you're researching minimally invasive spine surgery, wanting a clear, realistic picture of the risks involved is a sign of good judgment, not unnecessary worry. Here's an honest look at what patients should actually know.

What Is Minimally Invasive Spine Surgery?

Minimally invasive spine surgery, particularly the endoscopic technique, is used to treat conditions such as slipped (herniated) discs, sciatica, and spinal stenosis. Instead of a large incision, the surgeon works through a tiny opening — often less than a centimetre — using a thin tube fitted with a high-definition camera called an endoscope. This allows the surgeon to see the affected nerve or disc magnified on a screen and treat it precisely with fine micro-instruments, while the surrounding muscles are gently separated rather than cut.

While this approach generally carries a lower overall risk profile than traditional open surgery, it's still a surgical procedure — and understanding the specific risks involved helps you make a genuinely informed decision.

Who Is a Candidate for Minimally Invasive Spine Surgery?

You may be a candidate if you're experiencing:

- Persistent lower back pain unresponsive to rest, medication, or physiotherapy
- Sciatica — pain, tingling, or numbness radiating from the back into the leg or foot
- Leg weakness or difficulty walking due to nerve compression
- An MRI-confirmed herniated or slipped disc
- Spinal stenosis causing pain or heaviness in the legs when standing or walking

A detailed clinical evaluation, including imaging, is necessary to confirm both your candidacy and your individual risk profile before proceeding.

How the Procedure Works, Step by Step

1. Diagnosis and imaging: An MRI or CT scan identifies exactly which disc or nerve is causing your symptoms.
2. Anesthesia: Often performed under local or spinal anesthesia, sometimes with light sedation.
3. Small incision: A single incision, typically around 7-8mm, is made at the precise problem area.
4. Endoscope insertion: A thin tube with a camera is guided to the affected level, gently working between muscle fibers.
5. Targeted treatment: Micro-instruments remove the herniated disc fragment or bone compressing the nerve.
6. Closure: The tiny incision is closed with a single stitch or adhesive strip.
7. Early mobilization: Most patients walk with assistance within hours and are discharged the same day or after one night.

Benefits vs Traditional Open Spine Surgery

- Smaller incision with minimal scarring
- Muscles and surrounding tissue are preserved rather than cut
- Reduced blood loss during surgery
- Lower risk of infection compared to open surgery
- Less post-operative pain
- Shorter hospital stay
- Faster return to daily activities and work

Recovery Timeline

- Day 1: Most patients can walk with assistance within hours of the procedure
- First week: Light daily activities resume; incision discomfort is minimal
- 2-4 weeks: Gradual return to desk-based work, guided by your surgeon
- 6-8 weeks: Return to more physical activity, often supported by physiotherapy
- 3 months: Most patients report significant improvement in pain and function

Risks and Complications: An Honest Overview

Infection
Although the small incision reduces infection risk compared to open surgery, it isn't eliminated entirely. Proper wound care and following your surgeon's post-operative instructions significantly reduce this risk.

Nerve irritation
Because the procedure works close to spinal nerves, temporary irritation, numbness, or tingling can occur. This usually improves over time as inflammation settles, though in rare cases it may persist longer.

Incomplete symptom relief
In a small percentage of cases, the procedure may not fully relieve pain or nerve-related symptoms, particularly if there are additional contributing factors not addressed by the surgery. Further evaluation and treatment may be needed in these situations.

Recurrent disc herniation
There's a possibility that disc material can herniate again at the same level after surgery, similar to the risk that exists after any disc surgery, including open procedures.

Bleeding
While blood loss is generally minimal with this technique, some bleeding during or after the procedure is possible, as with any surgery.

Dural tear
In rare cases, the protective membrane surrounding the spinal nerves (the dura) can be inadvertently torn during the procedure. This is uncommon and, when it occurs, is typically managed effectively during surgery.

Anesthesia-related risks
Whether local, spinal, or general anesthesia is used, there are general risks associated with anesthesia, including allergic reactions, though these are carefully managed by the anesthesia team.

Need for further surgery
In a small number of cases, if symptoms persist or recur, additional treatment — including a repeat minimally invasive procedure or open surgery — may be necessary.

Reducing Your Risk

Choosing a surgeon with specific fellowship training and experience in endoscopic spine techniques, undergoing a thorough pre-operative evaluation, and closely following post-operative instructions all play a significant role in minimizing these risks and supporting a smooth recovery.

Frequently Asked Questions

Is minimally invasive spine surgery risky?
Like any surgery, it carries some risk, but it's generally considered lower-risk than traditional open surgery for infection, blood loss, and tissue damage.

What is the most common complication of minimally invasive spine surgery?
Temporary nerve irritation and mild post-operative discomfort are among the more common issues, and both usually improve with time.

Can minimally invasive spine surgery cause permanent nerve damage?
This is rare but not impossible. Choosing an experienced, specifically trained spine surgeon significantly reduces this risk.

What happens if minimally invasive spine surgery doesn't relieve my pain?
Further evaluation is needed to determine the cause, and additional treatment options, including further surgery if necessary, can be discussed.

How common is infection after minimally invasive spine surgery?
Infection rates are generally low due to the small incision size, and proper wound care further reduces this risk.

Is the risk of complications higher in older patients?
Overall health and other medical conditions matter more than age alone, which is why a thorough pre-operative evaluation is essential for every patient.

Why Choose Dr. Abul Fazal Shohag?

Dr. Abul Fazal Shohag is an Orthopaedic and Spine Surgeon with credentials including MBBS, BCS (Health), MS in Orthopaedic Surgery, and a Fellowship in Spine Surgery (BSOH). He currently serves as Assistant Professor of Spine Surgery, combining strong academic training with focused clinical experience. He specializes in diagnosing and treating spinal disorders including slipped discs, sciatica, spinal stenosis, and minimally invasive endoscopic spine procedures. Every patient receives an individualized treatment plan based on their clinical findings, imaging results, and internationally recognized, evidence-based guidelines, with a clear, honest discussion of both the benefits and the risks involved.

Conclusion

Understanding the real risks of minimally invasive spine surgery, alongside its benefits, is an essential part of making a confident, informed decision about your treatment. If you're considering this option for chronic back pain, sciatica, or nerve-related symptoms, the best next step is a thorough, honest consultation. Book a consultation with Dr. Abul Fazal Shohag today to discuss your specific condition and risk profile.

Chamber: Al-Khalil Hospital and Diagnostic Center, Kumarshil More, Brahmanbaria
Appointment: 01791156413, 01776448669