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Microdiscectomy (Microdecompression) Spine

Usually performed for herniated disk conditions, microdisectomy reduces pressure on the spinal nerve roots by removing the part that causes pain.

During the procedure, a small portion of bone above the nerve root and / or disc material under the nerve root is removed ..

Microdiscectomy is generally considered the gold standard for removing the hernia part of the disk that compresses nerves, because this procedure has a long history and many spine surgeons have special expertise in this approach.

While technically surgery, microdiscectomy uses minimally invasive techniques and can be done with relatively small incisions and minimal tissue damage or disruption.

Microdiscectomy is done through the back, so the patient lies face down on the operating table for surgery. General anesthesia is used, and the procedure usually takes about one to two hours in total.

* Microdisectomy is done through an incision of 1 to 1 ½ inches in the midline of the lower back.

* First, the back muscles (erector spinae) are removed from the spinal arch (lamina) of the spine and moved sideways. Because these back muscles run vertically, they are held sideways with a retractor during surgery; no need to cut it.

* The surgeon can then enter the spine by removing the membrane above the nerve root (ligamentum flavum).

* Surgical glasses (loupes) or operating microscopes allow the surgeon to visualize the nerve root clearly.

* In some cases, a small portion of the inner facet joint is removed to facilitate access to the nerve root and to relieve pressure or pressure the nerve.

* The surgeon can make a small hole in the bone lamina (called laminotomy) if needed to access the part that is needed.

* The nerve root is gently moved to the side.

* The surgeon uses a small instrument to go under the nerve root and remove fragments from the disk material that has been extruded out of the disc.

* The muscles are moved back into place.

* The surgical incision is closed and the strips are placed above the incision to help hold the skin healed.

In microdisectomy, only a small portion of the herniated disk - or leaking out of the disk - is removed; most disks are left as they are.

Importantly, because almost all joints, ligaments and muscles are left intact, microdisectomy does not change the mechanical structure of the patient's lower spine (lumbar spine).

After Surgery, patients usually stay in the surgery center or hospital for several hours after surgery before being released to go home. Depending on the patient's condition, a one-night stay at the hospital may be recommended. Patients can return to relatively normal activities quickly. Patients are usually asked to walk within a few hours after surgery.

The surgeon will provide treatment instructions at home, usually including medication, activity restrictions, follow-up treatment appointments, and other information.

The success rate for spinal microdiscectomy surgery is generally high, with one extensive medical study showing good or very good results overall for 84% of people who undergo this procedure.

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