5 key notes on MI TLIF complication rates

Spine

A new study published in the Journal of Neurosurgery: Spine examines minimally invasive transforaminal lumbar interbody fusions.

The study authors examined 513 patients who underwent MI TLIF for the retrospective review. The patients were treated over a 10-year period for lumbar degenerative disc disease, and all patients underwent either primary or revision surgery at one or two levels.

 

Here are five key notes from the study:

 

1. The perioperative complication rate was 15.6 percent. The complications included:

 

• Durotomy: 5.1 percent
• Medical infection: 1.4 percent
• Surgical infection: 0.2 percent

 

2. The infection rate had a statistically significant increase for patients undergoing revision MI TLIF.

 

3. The patients who underwent multi-level MI TLIF procedures had a statistically significant higher rate of perioperative complications than the single level procedures.

 

4. There was instrumentation failure in 2.3 percent of the cases.

 

5. There weren't statistically significant differences in durotomy rates during revision and multilevel surgeries. There wasn't a significant difference between complication rates after stratifying for presenting diagnosis.

 

"The results of this study suggest that MI TLIF has a similar or better perioperative complication profile than those documented in the literature for open-TLIF treatment of degenerative lumbar spine disease," concluded the study authors.

 

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