There has been carried out an experiment with 6 craniovertebral blocks with contrasting of the vertebral arteries and studying of the influence of different damages of ligamentous apparatus on blood flow in vertebral arteries. In all cases there has been discovered significant vertebrogenic influence. Experimental data have been corroborated with clinical material. There have been examined 31 patient with different damages of ligamentous apparatus of craniovertebral segment, with 21 of them has been detected significant vertebrogenic influence at ultrasound dopplerography of vertebral arteries.
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