Observational analysis shows improved outcomes with bone-anchored annular closure in patients with lumbar discectomy, indicating long-term benefits.
Lumbar discectomy remains the most common surgical treatment for lumbar disc herniation, potentially providing quick pain relief for patients. However, while pain resolution is a key measure of short-term success, it does not guarantee long-term recovery. In patients with large annular defects (≥6 mm), the structural vulnerability left by discectomy predisposes patients to recurrent herniation, which can trigger a return of severe pain, diminished function, and the need for additional surgery. Revision surgeries for recurrent herniations are costly and are associated with a lower chance of positive patient outcomes compared with primary procedures. Bone-anchored annular closure devices aim to address the root structural cause of recurrent herniation by sealing the annular defect during discectomy to preserve disc integrity. Adding a bone-anchored annular closure device to discectomy reduces symptomatic reherniation and reoperation rates by more than 50%, prolonging pain-free intervals and improving quality of life. Patients treated with bone-anchored annular closure devices report low pain scores over long-term follow-up, faster return to work, and reduced opioid requirements. Cost-effectiveness analyses demonstrate that in patients with a large annular defect, bone-anchored annular closure devices achieve cost neutrality, or savings, within 2 to 5 years, with incremental cost-effectiveness ratios below accepted thresholds. By preventing the recurrence of lumbar herniation and the need for reoperation, bone-anchored annular closure technologies offer a clinically validated, economically prudent solution aligned with value-based care principles and durable, patient-centered success.
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Babington et al. (2025) studied this question.
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