CASE REPORT
Revision MIS TLIF for Persistent Sciatica After Two Previous Open Spine Surgeries
Revision MIS TLIF for Persistent Sciatica After Two Previous Open Spine Surgeries
Revision minimally invasive transforaminal lumbar interbody fusion (MIS TLIF) for severe right-sided L4–L5 foraminal stenosis with recurrent disc herniation following two previous lumbar laminectomies.
Revision Case
Two previous open lumbar spine surgeries
L4–L5
Right-sided foraminal stenosis with disc herniation
MIS TLIF
Minimally invasive transforaminal lumbar interbody fusion performed
Pain Relief
Complete resolution of leg pain following surgery
Clinical history
The patient presented with persistent lower back pain and severe right-sided sciatica despite having undergone two previous open lumbar spine surgeries (laminectomies). Although the earlier procedures had provided temporary relief, the symptoms gradually returned and continued to interfere with walking and routine daily activities.
Because the pain persisted after multiple operations, a detailed reassessment was undertaken to identify the underlying cause before planning further treatment.
Clinical examination and imaging demonstrated severe right-sided foraminal stenosis at the L4–L5 level along with a recurrent disc herniation. The exiting nerve root was significantly compressed, explaining the patient's ongoing leg pain and neurological symptoms.
The findings confirmed that revision surgery would be required to adequately decompress the affected nerve and stabilize the spinal segment.
Revision spine surgery can be technically demanding because previous operations often leave scar tissue around the nerves and alter the normal anatomy of the spine.
Dr. Rohit Thaker performed a minimally invasive transforaminal lumbar interbody fusion (MIS TLIF), using a muscle-sparing approach to reach the affected level while carefully working around the scar tissue. This technique allowed safe access to the compressed nerve with limited disruption to surrounding healthy tissues.
During surgery, the compressed nerve root at the L4–L5 level was completely decompressed by removing the structures responsible for the narrowing of the foramen. The affected spinal segment was then stabilized with an interbody fusion and instrumentation to restore stability and reduce the likelihood of further nerve compression at the treated level.
Following surgery, the patient experienced a smooth post-operative recovery. Early mobilization was encouraged, and walking improved steadily over the following days. As recovery progressed, the patient resumed normal daily activities with increasing comfort.
Outcome
The patient’s right-sided leg pain resolved completely following surgery. Lower back symptoms improved significantly, and the patient is now walking comfortably without the severe sciatica that had persisted despite two previous operations. Daily activities have been resumed with a marked improvement in overall quality of life.
Cause and clinical significance
Persistent or recurrent symptoms after lumbar spine surgery may occur when nerve compression develops again because of recurrent disc herniation, progressive foraminal narrowing, spinal instability, or degenerative changes at the operated level. In revision cases, scar tissue from previous procedures can make surgery more complex, requiring careful planning and meticulous surgical technique.
Minimally invasive transforaminal lumbar interbody fusion (MIS TLIF) combines thorough nerve decompression with stabilization of the affected spinal segment through a smaller surgical approach. In appropriately selected patients, this technique can provide effective relief from persistent nerve compression while limiting muscle injury and supporting a smoother recovery compared with conventional revision open surgery.