Ultra Minimally Invasive Spine Surgery

What is Ultra MIS?

Ultra-minimally invasive spine surgery (Ultra MIS) is a group of advanced surgical procedures that significantly improve patient satisfaction and quality of life after spine surgery. These least invasive procedures represent the most technologically advanced improvements in spine surgery techniques in the past 20 years.

The Ultra MIS procedures are performed through a micro-incision of ¼ inch utilizing fluoroscopic (X-ray) guidance and an HD endoscope/camera. The key patient benefits of Ultra MIS are less post-operative pain and faster recovery times, allowing patients to return to work and physical activity sooner than with minimally invasive spine surgery (MIS).

What is the Goal of Ultra Minimally Invasive Spine Surgery?

The overall goal of ultra-minimally invasive spine surgery is to utilize the least invasive procedure to alleviate pain before considering more invasive surgery.  

Evolution of Ultra Minimally Invasive Spine Surgery

There have been two significant developments in spine surgery over the past 30 years – the transition from traditional open spine surgery to minimally invasive surgery and the advent of ultra-minimally invasive surgery.

The goal of traditional spine surgery and minimally invasive spine surgery are the same – decompress spinal nerves and stabilize abnormal spine movement. Traditional surgery or open surgery is effective, however, because of the large incisions, there were many complications, and patients endured significant post-operative pain and recovery times.

Minimally invasive surgery was developed to achieve similar outcomes to traditional spine surgery, minimizing muscle dissection, collateral damage to soft tissue, and disruption of ligament attachment sites. MIS significantly reduced the patient’s blood loss, complication rates, and recovery times.

Development of MIS Tubular Retractors

Minimally invasive spine surgery allows surgeons to use metal tubular retractors with 1-2 inch incisions instead of a three-five inch large open incisions with traditional open surgery.

The MIS tubular retractor system gently dilates muscles rather than dissecting or cutting muscle. This significantly reduced size of the incision, impact on patients’ muscles, and postoperative pain.

However, there was still room for improvement in the surgical approaches through a smaller tubular retractor to reduce muscle and ligament trauma resulting in less post-operative pain and faster recovery time and return to work.

Dr. Yeung and Dr. Salari in Surgery

Advent of Ultra Minimally Invasive Spine – Endoscopic Spine Surgery

Over the past three decades, spine surgery has made significant advancements in surgical techniques, technology, and instrumentation. Endoscopic spine surgery (ESS) is the foremost example of this advancement. Endoscopic spine surgery is a collective group of surgical approaches with highly specialized instrumentation that accomplishes the same decompressive goals of traditional and minimally invasive spine surgery.  

Endoscopic spine surgery was the first ultra-minimally invasive spine (Ultra MIS) procedure developed by the founder of the Desert Institute for Spine Care, Dr. Anthony Yeung. A pioneer, Dr. Yeung, developed the Yeung Endoscopic Spine Surgery (YESS) technique and instrumentation, which utilizes an HD endoscope and ¼ inch cannula access system to target and treat pain generators in the spine. The combination of Dr. Yeung’s new surgical approaches and advanced endoscopic high-definition imaging devices coupled with specialized micro-instruments has revolutionized spine surgery and patient satisfaction.

Ultra MIS Advantages Versus Minimally Invasive Spine Surgery

Ultra MIS has shown to be as effective as MIS at treating common spinal conditions such as sciaticaherniated discspinal stenosis, and low back pain. Ultra MIS granted surgeons a less invasive approach and superior visualization of the spinal canal to decompress the spinal cord and nerve roots and ablate painful inflammatory disc tissue and facet nerves.

The spine surgeons who utilize these techniques can now selectively target pain generators in the spine. During surgery, a surgeon can experience better visualization of the spine anatomy, significantly reduce traumatic access to the spinal pathology, and have faster operating times. These procedures are outpatient, where patients undergo local anesthesia or IV sedation and experience significantly improved recovery over minimally invasive similar procedures.

What are the Advantages of Ultra MIS for Patients and Spine Surgeons?

  • Small ¼-inch micro-incision – preserves spinal muscles and minimizes scarring.
  • Local anesthesia – reduces risk and complications, especially for the elderly who might not be candidates for MIS surgery.
  • Outpatient procedure – patient goes home within 2 hours of surgery.
  • Use of HD endoscope – offers surgeons superior visualization of the pain generators in the spinal canal.
  • Less post-operative pain, faster recovery, and return to work – administrative in one week, physical in two weeks
  • Little to no narcotic medication is needed – less risk of developing dependency.
Skeletal Model Showing Scoliosis

Ultra Minimally Invasive Spine Surgery – Bridging the Gap Between Pain Management and Minimally Invasive Spine Surgery

Ultra MIS is an evolving philosophy of utilizing the least invasive yet most effective procedure to treat painful spine patients before ever considering minimally invasive surgery. Typically, patients suffering from spinal conditions will see pain management doctors after failing conservative treatment and pain medications prescribed by their primary care physician. Pain management physicians utilize diagnostic injections to pinpoint a painful spinal element. These injections can be therapeutic for a short period of time. Some patients who respond favorably to injections will be recommended for pain procedures like a radiofrequency facet ablation or RFA. This procedure targets the medial branch nerve which causes low back pain related to facet disease. 

Radiofrequency ablation procedure provides low back pain relief. After about six months, the pain comes back, and the RFA can be repeated, or the patient is referred to a spine surgeon for consultation for chronic spine pain. The short-term results are due to the procedure being performed under fluoroscopic X-ray and not visualized by the doctor’s eye. RFA under X-ray puts a lesion on the nerve instead of severing it, and in 6 months, the nerve regenerates and is painful once again.

Dr. Anthony Yeung saw this short-term relief with pain management as an opportunity to develop an endoscopic facet rhizotomy procedure that visualized the painful nerve with an HD endoscope. Thus, when the surgeon identifies the painful nerve, they can ablate, sever, and disconnect the pain signal. The endoscopic rhizotomy results in long-term low back pain relief lasting up to 5 years. Endoscopic spine surgery patients have better satisfaction, long-term relief, and return to active lifestyle sooner.

Spine surgeons who take the time to train in this orthopedic subspecialty can provide patients with two significant benefits: 

  1. Personalized Pain Management – diagnostic pain injections that identify the spine’s pain generator, leading to a more accurate diagnosis.
  2. Surgical Pain Management – customized least invasive surgical procedures that coincide with diagnostic injections that precisely target the pain generator through an ¼ inch incision.  

What Types of Spinal Conditions Can be Treated with Ultra MIS?

Minimally invasive spine surgery

What are the Types of Ultra Minimally Invasive Spine Surgery?

Treats herniated disc and spinal stenosis within the low back

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Treats chronic low back pain caused by facet joint syndrome

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Treat foraminal stenosis causing sciatica

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Treats vertebrogenic pain caused by the basivertebral nerve located within a vertebral body.

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Outpatient procedures to stabilize vertebral compression fracture in the spine.

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How is Ultra MIS Performed? 

Patients are sedated with IV medication, and their skin surgical site is locally numbed. Patients are comfortable and responsive throughout the surgery. The surgeon then guides a spinal needle under fluoroscopic X-ray to the spinal disc (discectomy) or transverse process bone (rhizotomy). A guidewire is inserted inside the needle, and the needle is removed. A ¼ incision and a metal dilator are placed over the guidewire down to the disc, gently spreading the muscles. Next, a metal operating cannula is placed over the dilator, and the guidewire and dilator are removed, establishing a working portal.  The surgeon then inserts an HD endoscope with a camera attached through the working cannula. Specialized micro-instruments are placed through the endoscope to assist the surgeon in ablating and decompressing the painful spinal nerves. The surgeon targets herniated discs and bone spurs that may impinge on a spinal nerve. After the surgery, the patient recovers for about an hour before going home. Because general anesthesia is not needed, the patient risk is significantly reduced and speeds up recovery time. Patients rarely require strong narcotic opioid medications after surgery.

Each of these ultra-minimally invasive procedures targets back pain resulting from a painful vertebra in the spine. Patients are sedated with IV medication, and their skin surgical site is locally numbed.  Patients are comfortable and responsive throughout the surgery. Under fluoroscopic X-ray guidance, a physician directs an introducer cannula through the pedicle to the middle of the affected vertebra. In the case of Intracept®, a radiofrequency probe is inserted through the cannula to ablate the painful basivertebral nerve. With kyphoplasty and vertebroplasty, cement is injected through the cannula to stabilize a painful vertebral fracture. After the procedure is completed, patients recover for about an hour before going home. 

Who Is a Candidate for Ultra MIS?

As the Ultra-minimally invasive spine surgery leader, DISC surgeons are bridging the gap between pain management and major spine surgery. These procedures have excellent results in treating low back pain, leg pain, and neck pain.

The following examples may be good candidates for ultra-minimally invasive spine surgery:

  • You have been diagnosed with sciatica, low back pain, herniated discs, facet joint disease, and vertebral compression fracture.
  • You are suffering in pain and losing days of sleep or work. Major spine surgery is not always required for spine-related problems. The less invasive procedures offered at DISC can be a great way to get back to enjoying life again without a long and painful recovery.
  • You failed pain management – If you got initial relief from a pain injection or radiofrequency ablation, and the pain returned, you may be an excellent candidate. Our procedures provide long-term relief and have fast recovery times.
  • You were offered spine fusion surgery but can’t afford to be out of work for six weeks or more. Patients should always check first to see if they are candidates for Ultra-minimally invasive procedures as alternatives to spinal fusion surgery. Spine fusion surgery is an excellent option for many patients; however, many patients can benefit from less invasive procedures before a fusion.
  • You are still in pain after minimally invasive spine surgery – many patients have good results with spine surgery; however, there may be an unidentified or missed pain generator. 

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Doctor performing surgery in the operating room.
Doctor performing surgery in the operating room.
Dr. Yeung and Dr. Salari in Surgery

What are the Risks of Ultra MIS?

All spine surgery has potential risks and complications. Although rare, ultra-minimally invasive complications are like that of minimally invasive spine surgery, which may include paralysis and death. The most common complication with ultra-minimally invasive spine surgery are dysesthesia, complex regional pain syndrome, dural tear, bowel injury, epidural hematoma, and segmental instability.

The aging and degenerative process of the spine cannot be reversed. The goal of surgery is to reduce or alleviate the pain associated with the degenerative process. In more severe degenerative conditions, your pain may be reduced but persist or returns to pre-operative level and, in rare cases, worsen. In this case, alternatives such as artificial disc replacement or spinal fusion surgery are still possible treatment options.

How Long Does It Take to Recover from Ultra MISS?

One of the key differentiating factors between ultra-minimally invasive and minimally invasive spine surgery is post-operative recovery and return to an active lifestyle.  

  • Ultra MIS vs. MIS decompressive surgery – Return to administrative work as early as 2-4 days vs. 1-2 weeks; Physical work/play – as early as four weeks vs. 6-8 weeks with MIS.
  • Post-operative pain – Ultra MIS sometimes uses short-term narcotics supplemented with over-the-counter Ibuprofen. In studies comparing endoscopic spine surgery versus MIS, the endoscopic patients needed fewer narcotic medications to control post-op pain than those with MIS.
  • Results vary for young, healthy, and active people versus elderly, overweight, and inactive.

When Should I Call My Surgeon Immediately?

After surgery, patients should not hesitate to call the office if they are experiencing any of the following conditions:

Any pain experienced worse than when you first left the surgery center should be communicated to the doctor’s assistant.

The sensation of “pins and needles” in the legs may be a sign of nerve damage due to spine surgery. If the feeling does not subside, contact your doctor’s office.

If either is experienced, contact your doctor immediately. Although not a common complication after surgery, it can be severe and should be reported immediately to your surgeon.

It is not uncommon for the surgical wound to cause pain within the first few days following surgery. If the pain increases, the wound gets red and puffy or has excessive drainage, this is a potential warning sign. Have a surgeon examine it to be safe.

Fever can be accompanied by chills and shaking.

This could be a sign of a blood clot. The pain will probably be mainly in the foot, ankle, and calf. The area may be tender and red to the touch. Blood clots can be a severe and life-threatening problem if they travel to the lungs and brain. Call your surgeon immediately.

Dr Abrams explaining spine x-ray Dr. Abrams laughing

Contact DISC Today for Ultra MIS Treatment in Arizona

As ultra-minimally invasive spine surgery leaders bridging the gap between pain management and major spine surgery, DISC provides procedures that have excellent results in treating low back pain, leg pain, and neck pain. Contact DISC today to see if you may be a good candidate for ultra-minimally invasive spine surgery.

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Our spine health blog features up-to-date spine education and expert spine tips from our spine specialists here at DISC.