After lumbar spine surgery, the sudden lack of sensation incontinence in the lower limbs is considered to be related to the damage to the cauda equina nerve and lumbar intervertebral disc nerve injury.
1. Damage to the cauda equina: Sudden incontinence of the lower limbs after lumbar spine surgery is usually related to damage to the cauda equina, as the cauda equina affects the bladder and the rectum, and when damage occurs, it may result in defecation disorders or incontinence, and other abnormal manifestations.
2. Lumbar intervertebral disc nerve injury: If the lumbar intervertebral disc nerve is damaged after lumbar spine surgery to the bundle of nerves controlling the movement of the lower limbs, it may affect the movement of the lower limbs, or even lead to the lower limbs suddenly become insensible, and urinary and fecal incontinence may occur.
If the lower limbs are suddenly insensible and incontinent after lumbar spine surgery, it is recommended to find out the cause of the disease in time, early detection and early treatment, to avoid causing other damages.