Thermoesthesia and algesthesia in the dermatomes of the cauda equina roots in patients with lumbar spinal osteochondrosis
Tóm tắt
Disorders of thermoesthesia and algesthesia are characteristic of the dermatomes of the cauda equina roots in patients with lumbar spine osteochondrosis. The negative changes in sensitivity are manifested in (1) an increase of the threshold by 2–8 degrees; (2) a decrease of the threshold by 3–6 degrees; (3) the absence of thermal sensitivity. In the presence of reflex syndromes (lumbalgia and lumbar ischialgia), the most severe disorders were in L
4, L
5, and S
1 dermatomes. In patients with radicular syndromes, abnormal thermoesthesia and algesthesia were more pronounced than in patients with the reflex syndromes. Combined conservative therapy resulted in improvement of thermoesthesia and algesthesia mostly in the L
5 dermatome of patients with lumbalgia and lumbar ischialgia. Treatment of patients with radicular syndrome did not lead to any significant improvement of the thermal or pain sensitivity of the limb with radiculopathy or in dermatome of the root compressed. More pronounced changes were observed in the contralateral limb.
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