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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