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Table 6 The patient subgroup that underwent reoperation due to recurrent disc herniation or device failure. Details of reoperation, implant approach and any complications are presented

From: Incidence and clinical impact of vertebral endplate changes after limited lumbar microdiscectomy and implantation of a bone-anchored annular closure device

Patient number Age Diagnosis Type of recurrent surgery ACD procedure Time to reoperation (months) Complication
Reoperations
 1 48 Recurrent herniation & mesh dislocation SC LMD Mesh removal 18 None
 2 48 Instability Fusion None 24 None
 3 30 Anchor head breakage LMD Mesh & anchor head removal 29 None
 4 33 ACD dislocation LMD ACD removal 17 Dural injury
 5 53 Instability Fusion None 46 None
 6 57 Instability Fusion None 10 None
 7 47 Recurrent herniation & mesh dislocation SC Fusion ACD removal 25 None
 8 34 Recurrent herniation LMD None 15 None
 9 40 Recurrent herniation LMD None 8 None
 10 33 Recurrent herniation LMD None 14 Dural injury
 11 32 Instability Fusion ACD removal 7 CSF leak, revision
 12 51 Instability Fusion ACD removal 3 Dural injury
 13 31 Recurrent herniation & mesh dislocation SC LMD Mesh removal 20 None
  1. Of note: unintended durotomy occurred in 31% of reoperations. SC spinal canal