[Effect of electrostimulation effect on the characteristics of nocturnal sleep]

The nature of night sleep was studied in oncogynecological patients 60 to 75 years of age and in practically healthy females and males according to the findings of electroencephalography and electromyography of the forehead muscles. The EEG and EMG were recorded in a automatic regimen (EEG according to frequency and amplitude) every 3 seconds on a Datex computer, apparatus ABM. The examination was conducted in an isolated room. Patients with oncogynecological diseases were troubled by marked disorders of night sleep: they could not fall asleep for a long time, the first fast sleep occurred earlier than in healthy individuals, the desynchronization periods were more frequent than in healthy individuals. After a course of electrostimulation, daily for 40-60 minutes with an A-500-01 apparatus (high-frequency currents, modulated by low frequency, output 77 cyclec per sec. and 500 mA) the character of night sleep in oncogynecological patients improved noticeably both according to subjective evaluation and EEG and EMG characteristics. It is assumed that night sleep improves due to changed interrelation of the central nervous system mediators. The authors come to the conclusion that inclusion of a course of electrostimulation in preoperative management is expedient.