Biomedical subjects
L B Tlapshokova
Publications and source records attributed to L B Tlapshokova.
[An epidemiological study of epilepsy in Moscow].
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[Status of central and cerebral hemodynamics in patients with occlusive lesions of major arteries of the head in the acute period of ischemic stroke].
A study was made of the central and cerebral hemodynamics in 65 patients with occlusive lesions of the main arteries of the head in the acute period of ischemic brain stroke (on days 1, 7 and 21). Ultrasound dopplerography of the extracranial part of the main arteries of the head and unidimensional echocardiography were employed. Analysis of the linear velocity of the blood flow in the internal carotid and vertebral arteries, of their diameter and volumetric blood flow, and of the central hemodynamics allowed a conclusion that the presence of cardial pathology in ischemic brain stroke promotes a progressive decrease of contractile and pump function of the left ventricular myocardium toward the end of the acute period of ischemic brain stroke.
[Ultrasonic diagnosis in neurology and neurosurgery].
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[Cerebral hemodynamics in occlusive diseases of major extracranial arteries].
The blood flow was studied in occlusive disorders of major extracranial blood arteries. Doppler ultrasound was used to quantify the blood flow and velocity in 120 patients. Four stenosis degrees were singled out. In the 1st one, internal carotid artery (ICA) was narrowed by 50%, and blood flow and velocity were reduced by more than 35% as related to normal levels. In 2nd degree stenosis. ICA blood flow decreased below the 65% level and ante- and retrograde blood flow was detected in orbital artery. In 3rd grade stenosis (over 75% ICA occlusion) the retrograde flow in the orbital arteries was recorded and ICA blood flow was considerably reduced. ICA occlusion featured no blood flow in ICA and orbitals, or high retrograde orbital blood flow (p less than 0.001). Reliable criteria were developed for detection of vertebral and ICA stenosis.