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

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

Of note: unintended durotomy occurred in 31% of reoperations. SC spinal canal