Reoperation rates after posterior lumbar spinal fusion surgery according to preoperative diagnoses: A national population-based cohort study

Moon Soo Park, Young Su Ju, Seong Hwan Moon, Tae Hwan Kim, Jae Keun Oh, Paul S. Sung, Chi Heon Kim, Chun Kee Chung, Ho Guen Chang

Research output: Contribution to journalArticle

Abstract

Objective: The reoperation rate after lumbar degenerative disease surgery is low. It is difficult to find statistical differences in reoperation rates according to the different diagnoses of lumbar degenerative diseases. National population-based database overcomes the statistical problem by its large cohorts with longitudinal follow-up in a nation. The purpose was to compare the reoperation rates after single-level lumbar spinal posterior decompression and fusion surgeries depending on different preoperative diagnoses of lumbar degenerative disease. Patients and methods: We used the Korean Health Insurance Review & Assessment Service national database. The study population was the patients with a diagnosis of a degenerative lumbar disease who underwent single-level decompression and fusion from January 1, 2011, to June 30, 2016. We classified the patients into one of three groups based on diagnosis codes of lumbar disc herniation, spondylolisthesis, or spinal stenosis. A reoperation was defined as repeated decompression and fusion. We considered age, sex, the presence of diabetes, osteoporosis, associated comorbidities, and hospital types as potential confounding factors. Results: The reoperation rate was higher in patients with spinal stenosis than in those with lumbar disc herniation. However, there was no difference in the reoperation rate between the patients with lumbar disc herniation and those with spondylolisthesis. Male gender and hospital type were risk factors for reoperation. Conclusion: The incidence of reoperation was dependent on the diagnostic subgroups of lumbar degenerative diseases. This information can help surgeons accurately communicate with their patients and enhance the preoperative informed consent process.

Original languageEnglish
Article number105408
JournalClinical Neurology and Neurosurgery
Volume184
DOIs
Publication statusPublished - 2019 Sep

All Science Journal Classification (ASJC) codes

  • Surgery
  • Clinical Neurology

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