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Clinical-experimental basis of the possibility of application of the method of indirect rheography of head (IRH) in wide clinical practice was presented. Estimation of the results reproduction and accuracy of the method was performed too. 40 healthy individuals of both sexes at the age of 18-50 and 102 patients with spinal osteochondrosis, arterial hypertension and neurocirculatory dystonia were examined. It was determined that IRH provided 93% of results reproduction and its precision was 90% and higher in comparison with ultrasound method. It was established that head circulation was 750-1200 ml/min or 12-24% of cardiac output in healthy individuals. The results of the study of head blood circulation in some groups of patients were also discussed.

The following aspects of pain theory essential for clinical vertebroneurology were examined in article, namely: vertebral receptors irritation as the source of vertebral pains, multitude of vertebroneurological syndromes factors, psychogenic factors of pain experience, diagnostic estimation of pain and effectiveness of medical influences on ache. Unpunctuality and deontological unjustification of disease definition by pain sign as well as estimation of treatment results according to direct analgetic effect were emphasized.

Intraosteal block was conducted in 86 patients with pronounced neurological symptoms of lumbar osteochondrosis. To clarify the role of the intraosteal receptors in pathogenesis of the above symptoms and to evaluate the efficacy of the blocks, series of experiments were made on 8 cats. The authors studied evoked potentials in the cerebral cortex and thalamus in response to irritation of the sciatic nerve under the exposure of the sciatic receptors to electrostimulation, intraosteal introduction of physiologic salt solution and trimecaine, electrostimulation following the introduction of the above substances. The pilot experience has been gained on facilitation of afferent current passage from the sciatic nerve under conditions of intraosteal receptor irritation as well as on inhibition of the above effect under anesthetic block of intraosteal receptors. Basing on the above findings, the authors explain osteogenic mechanism of radiculopathy and pathogenicity of the intraosteal blocks.

Compression spectral analysis of EEG and electropolygraphic registration (EMG, SGR, ECG), psychological and clinical investigations were used to examine patients with right and left vertebrogenic pain syndrome, patients with psychogenic neurotic syndrome and control group of healthy subjects. It was found that vertebrogenic syndrome frequently combined with psychogenic disorders. The latter were more evident in the left-side syndromes, occurred in more severe EEG abnormality. The role of the right hemisphere in the genesis of the above disorders in the patients and the problem of the center-periphery relations in pain vertebrogenic syndromes are discussed.