Abstract
PurposeTo evaluate the clinical features of and risk factors for recurrent lumbar disc herniation (rLDH) after percutaneous endoscopic lumbar discectomy (PELD) in our clinical practice.MethodsA total of 942 consecutive patients who underwent single-level PELD from January 2013 to August 2019 were included. Patients were divided into the recurrence group and the nonrecurrence group. Patient characteristics, radiographic parameters and surgical variables were compared between the two groups. Univariate analysis and multiple logistic regression analysis were adopted to determine the risk factors for recurrence after PELD.ResultsThe prevalence of rLDH was 6.05%. Age, sex, tobacco use, duration of low back pain, body mass index (BMI), occupational lifting, herniated disc type, facet joint degeneration, operation time and time to ambulation were significantly different between the two groups. Univariate analysis showed that age (P < 0.001), sex (P = 0.019), BMI (P = 0.001), current smoking (P < 0.001), occupational lifting (P < 0.001), facet joint degeneration (P = 0.001), operation time (P = 0.002), and time to ambulation (P < 0.001) could be significantly associated with the incidence of rLDH after PELD. Multivariate analysis suggested that an older age (P < 0.001), the male sex (P = 0.017), a high BMI (P < 0.001), heavy work (P = 0.003), grade II facet joint degeneration (P < 0.001) and early ambulation (P < 0.001) were significantly related to rLDH after PELD.ConclusionsAn older age, the male sex, a higher BMI, heavy work, grade II facet joint degeneration, and early ambulation are independent significant risk factors for rLDH after PELD. Great importance should be attached to these risk factors to prevent rLDH. We suggest that patients control their weight, avoid heavy work, ambulate at an appropriate time, and perform strengthening rehabilitation exercises to reduce the incidence of rLDH.
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