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Risk Factors of Secondary Lumbar Discectomy of a Herniated Lumbar Disc after Lumbar Discectomy

Title
Risk Factors of Secondary Lumbar Discectomy of a Herniated Lumbar Disc after Lumbar Discectomy
Author
최규선
Keywords
Body mass index; Diskectomy; Recurrence; Reoperation
Issue Date
2019-09
Publisher
KOREAN NEUROSURGICAL SOC
Citation
JOURNAL OF KOREAN NEUROSURGICAL SOCIETY, v. 62, no. 5, Page. 586-593
Abstract
Objective : To study risk factors of secondary lumbar discectomy (LD) for recurrent herniated lumbar disc (HLD) and identify methods to lower the rate of recurrence. Methods : Data from 160 patients who underwent primary LD were collected retrospectively. Demographic features, radiologic findings including Pfirrmann disc degeneration, and surgical information were analyzed to compare risks between revision and non-revision patients. Results : The revision rate was 15% (24 patients), and the mean follow-up was 28.3 months. HLD recurrence was not related to any demographic characteristics. Primary and secondary LD were most common at the L4-5 level, but the level of operation was not significantly associated with revision. Primary LD most commonly had a Pfirrmann disc degeneration grade of 3, followed by 4. For recurrent HLD, Pfirrmann grade 4 was most common and was statistically significant (p˂0.05). A body mass index (BMI) over 30 was considered obese and was significantly related with HLD revision (p˂0.05). Conclusion : Patients with high BMI or severe disc degeneration should be informed of HLD revision.
URI
https://www.jkns.or.kr/journal/view.php?doi=10.3340/jkns.2019.0085https://repository.hanyang.ac.kr/handle/20.500.11754/154069
ISSN
2005-3711; 1598-7876
DOI
10.3340/jkns.2019.0085
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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