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Science articles
Science articlesState of cerebral circulation in neurosensoral deaf in combination stable voltage stenocardia
S. S. Arifov (1), D. А. Каlandarova (2)
(1) Center for the development of professional qualifications of medical professionals, Tashkent, 100214, Republic of Uzbekistan
(2) Republican Clinical Hospital N 2, Tashkent, 100007, Republic of Uzbekistan
UDK: 616.831-005:616.12-009-72
DOI: https://doi.org/10.18692/1810-4800-2021-6-20-25
ABSTRACT
The aim of this study was to study the state of cerebral circulation using duplex scanning of extra- and intracranial vessels in sensorineural hearing loss in combination with stable exertional angina. The study included 43 patients with diagnosed sensorineural hearing loss in combination with stable exertional angina at the age of 30 to 63 years, who had not previously received antianginal drugs. With the help of color duplex scanning, cerebral circulation in the extra- and intracranial vessels was studied. 19 people (44,2%) had the first degree, and 16 people (37,2%) had the second degree of hearing loss. In 9,3% of cases, the average air conduction rate in patients did not reach 26 dB. In 9,3% of patients, an increase in thresholds was observed only in the ultra-high-frequency zone (10 000–20 000 Hz). In patients with sensorineural hearing loss in combination with stable exertional angina, there was a change in the linear blood flow velocity in the extra- and intracranial vessels. In the common carotid and vertebral arteries, an increase in the linear blood flow velocity and the Gosling pulsative index was revealed. In the intracranial segment, a decrease in the linear velocity of blood flow in the vertebral and main arteries was found, which in 42% of patients was combined with a decrease in the anatomical reserve of blood vessels due to a disconnected variant of the structure of the circle of Willis and / or the presence of obstructed venous outflow.
Publication date:
27.12.2021
Keywords:
neurosensory hearing loss, cardiovascular system, stable exertional angina, linear blood flow velocity, transcranial Doppler sonography. For citation:
Arifov S. S., Kalandarova D. A. State of cerebral circulation in neurosensoral deaf in combination stable voltage stenocardia. Rossiiskaya otorinolaringologiya. 2021;20(6):20-25. https://doi.org/10.18692/1810-4800-2021-6-20-25