Collin County Living Well Magazine July/August 2017 | Page 23

Minimally Invasive Microdiscectomy By M. Viktor Silver, MD, FRCSC, FACS, FAANS Overview and Indications Microdiscectomy is performed for pa- tients with a painful lumbar herniated disc often known as sciatica. Microd- iscectomy is a very common surgery performed by spine surgeons. The op- eration consists of removing a portion of the intervertebral disc, the herniated or protruding portion that is compressing the spinal nerve root. and stretch or walk for a little bit, then sit down again if desired. Brace Patients are generally not required or recom- mended to wear a back brace after surgery. Shower/Bath Patients can shower immediately after surgery, but should cover the incision area with a small bandage and tape, and try to avoid water hitting directly over the surgical area for 10 days. Pa- tients should not take a bath until the wound has completely healed, which is usually around 2 weeks after surgery. Today, many surgeons use a microscopic surgical approach with a small, minimally- invasive, one-inch incision to remove the disc herniation, allowing for a more rapid recovery with less blood loss, less pain and shorter hospital stay. Surgical Technique A 1-inch longitudinal incision is made in the midline of the low back, directly over the area of the herniated disc. Special retrac- tors and an operating microscope are used to allow the surgeon to visualize the region of the spine, with minimal or no cutting of the adjacent muscles and soft-tissues. A few millimeters of bone of the superior lamina may be removed to fully visual- ize the disc herniation. The nerve root and neurologic structures are protect- ed, so that the herniated disc can be removed. Small dental-type instruments and biting/grasping instruments are used to remove the protruding disc ma- terial. All surrounding areas are also checked to ensure no additional disc fragments are remaining. The total sur- gery time is approximately 1 hour. Driving Patients may begin driving when the pain level has decreased to a mild level, which usually is between 2-10 days after surgery. Patients should not drive while taking pain medicines (nar- cotics). After patients feel comfortable with a short drive, they can begin driv- ing longer distances alone. Return to Work and Sports Patients may return to light work duties Figure 1 (middle, above): Minimally Invasive as early as 1-2 weeks after surgery, Tubular Retractor allowing for minimal mus- depending on when the surgical pain cle retraction with less pain, smaller incision has subsided. and faster recovery times. Doctor’s Visits and Follow-Up Patients will return for a follow-up visit