Electromyographic diagnosis of tongue motility disorders of neurogenic origin in patients with occlusive pathology

A.V. Tsyganok, D.D. Kindiy, N.N. Maliuchenko, O.D. Odzhubeyska, D.V. Kalashnykov, M.D. Korol


Background. Tongue motility disorders that occur in the practice of neurologists are a consequence of a large number of various pathologies. The most common diseases which may be accompanied by tongue motility disorders are acute cerebrovascular accidents and their long­term effects. A widespread method to diagnose muscle function disorders is surface electromyography. The purpose of this study was to improve the method of electromyographic diagnosis of tongue motility disorders in patients with long­term consequences of acute cerebrovascular accidents combined with occlusive defects. Materials and methods. According to the objective, we carried out a cross­sectional, case­control study. The clinical study group included 87 patients. The control group consisted of 40 people. The methods for clinical examination of patients included collection of complaints, medical history and disease, neurological examination in the hospital during the admission for planned treatment for cerebrovascular disease consequences. Dental examination included external and oral examination to detect defects in the dentition and to determine the severity of the carious process. Electromyographic study of the tongue muscles was carried out with the help of device developed by us for surface global electromyography. Results. When comparing the parameters in patients of the study group with that of control group, we determined statistically significant differences (p < 0.05) between the quantitative indices of the interference curve by the maximum and the average amplitude of resting and tension periods, as well as by the average frequency of tension period. The obtained results indicate the necessity of further studies of this technique with an increase in the number of patients and their distribution into subgroups depending on the level of damage to the nervous system. To increase the statistical power of further researches, it is recommended to diffe­rentiate the patients into a clinical group with combined pathology and separate comparison groups with neurological and occlusive pathology. Conclusions. High caries severity and its complications in neurological patients indicate the possibility of involving dental practitioners for the diagnosis and rehabilitation of these patients. Analysis of the obtained data shows the feasibility of using the proposed method of electromyography to improve the algorithms for diagnosis of neurological diseases.


neurodentistry; motor neuron disease; electromyo-graphy


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