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METHOD FOR ULTRASONIC DIAGNOSIS OF TRANSIENT EXTRAVASCULAR COMPRESSION OF THE VERTEBRAL ARTERY AT THE LEVEL C0-C6
专利权人:
GOSUDARSTVENNOE BYUDZHETNOE UCHREZHDENIE ZDRAVOOKHRANENIYA GORODA MOSKVY "NAUCHNO-ISSLEDOVATELSKIJ KLINICHESKIJ INSTITUT OTORINOLARINGOLOGII IM. L.I. SVERZHEVSKOGO" DEPARTAMENTA ZDRAVOOKHRANENIYA GORO
发明人:
Kryukov Andrej Ivanovich (RU),Крюков Андрей Иванович (RU),Kunelskaya Natalya Leonidovna (RU),Кунельская Наталья Леонидовна (RU),Tardov Mikhail Vladimirovich (RU),Тардов Михаил Владимирович (RU),Zaoeva
申请号:
RU2019103458
公开号:
RU0002711112C1
申请日:
2019.02.07
申请国别(地区):
RU
年份:
2020
代理人:
摘要:
FIELD: medicine.SUBSTANCE: invention refers to medicine, namely neurology, and can be used for ultrasonic diagnosis of transient extravasal compression of vertebral artery (VA) in a channel of transverse processes at the level of vertebral motor segments (VMS) C0–C6. Dopplerometric of blood flow in VA in the third segment of 2 or 4 MHz pancreatic sensor of suboccipital approach in a patient's position on the back with a neutral head position is performed. That is combined with recording a time-average bloodstream linear velocity (BLV) for each VA in rest (VTAV-0). Then samples are taken: 1) three consecutive head movements to the right and to the left with neutral position of neck; 2) three consecutive head movements to the right and to the left with fixed extension of neck; 3) three consecutive head movements to the right and to the left with fixed neck bending; 4) three consecutive head-to-back movements. After each sample, both PA are insonified in the initial position and a time-averaged BLV is recorded in each VA during the second-third cardiac cycles (VTAV-1). Further, a reactivity factor Ireact for each VA for each sample: Ireact=(VTAV-1/VTAV-0-1)×100 %. If value Ireact exceeds the range of [-30 %; +30 %] and is accompanied by developing ischemia symptoms in the vertebrobasilar system – vertigo, nausea, ringing in the ears, vertebral artery syndrome is diagnosed. At that, in case Ireact exceeds the interval [-30 %; +30 %] after the head rotations in the neutral position of the neck, VA compression at the C2–C5 level. In case Ireact exceeds the interval [-30 %; +30 %] after the head turns with fixed neck extension, VA compression at S5–S6 level. In case Ireact exceeds the interval [-30 %; +30 %] after the head turns with fixed neck bending, VA compression at the C1-C2 level. In case Ireact exceeds the interval [-30 %; +30 %] after the sample with movements of the head back and forth, VA compression at the level of C0-C1.EFFECT: method provides determining the
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