Why does lumbar spinal stenosis occur

summary

Some time ago, my teacher suffered from lumbago and severe discomfort. I went to the hospital to see a doctor. After taking a film, I found that it was spinal canal stenosis. So how was spinal canal stenosis caused? Let me introduce the causes of spinal stenosis.

Why does lumbar spinal stenosis occur

First, the causes of spinal canal stenosis include lateral nerve root compression: relaxation of posterior facet joint capsule of lumbar vertebra and degeneration of intervertebral disc, narrowing of intervertebral space, proximity of two adjacent vertebral bodies, and subluxation of posterior facet joint. At the same time, the nerve root was squeezed between the top of the upper articular segment, the upper pedicle and the posterior edge of the vertebral body. Sometimes the osteophyte growing on the inner edge of the joint protrudes inward and clamps the nerve root on the next plane.

Second, the main cause of stenosis is developmental spinal stenosis: after the end of the growth period, the abnormal development of different components of the vertebral body and its accessories can lead to the central and lateral stenosis of the spinal canal. Generally, developmental spinal stenosis rarely occurs alone. When accompanied by mild disc herniation or degenerative changes, the symptoms of spinal stenosis occur.

Third, the cause of spinal canal stenosis is the central stenosis of the spinal canal: the myophytes of the inferior Guan ganglion process proliferate to the medial side, which makes the central spinal canal narrow and oppress the cauda equina. At the initial stage, the lesion involved one plane, common at L4-5. Later, the lesion gradually involved the following plane, resulting in multiplanar dyspnea or lateral spinal stenosis.

matters needing attention

After spinal stenosis, it's best to sleep in a hard bed at ordinary times, do lumbar traction or physical therapy, take some drugs to nourish nerves, dredge meridians and activate collaterals, and stick some plasters with similar functions to relieve symptoms.