Objective: To study the risk factors of unsatisfactory clinical results after percutaneous laser decompression of the lumbar intervertebral disc (PLDD).
Material And Methods: A retrospective observational single-center study included medical records of patients who underwent lumbar PLDD for degenerative spine disease. We analyzed clinical and instrumental parameters potentially affecting the results of lumbar PLDD.
Results: Clinical study included 82 patients who underwent PLDD for lumbar intervertebral disc degenerative disease. Mean postoperative follow-up period was 30.8±13.3 months. In 22 (26%) patients, unsatisfactory clinical outcomes were observed. According to binary logistic regression model, comorbidities (=0.03), duration of disease over 12 months (=0.03), low preoperative quality of life according to ODI score (more than 50%) (=0.04), high body mass index (over 25 kg/m) (=0.02), severe intervertebral disc (=0.04) and facet joint degeneration (=0.01) and intervertebral disc height decrease more than 50% (=0.01) were significantly associated with unsatisfactory clinical outcomes after lumbar PLDD for degenerative spine disease.
Conclusion: Identification of these risk factors of unsatisfactory clinical outcomes is important stage of preoperative preparation in patients scheduled for lumbar PLDD.
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