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1.
Lik Sprava ; (5-6): 44-9, 2004.
Article in Russian | MEDLINE | ID: mdl-15605820

ABSTRACT

The article contributes to establishing direct correlative interchanges between MRA and ultrasonic diagnostics data on cerebral arteries perfusion (CAP) in terms of lowering CAP by cerebro-vascular insufficiency type. The data obtained by means of pathomorphological and pathohistological analyses on arterial and venous angioarchitecture, mathematical models of features of vessels branching "geometry" with possible reaction of the vessels to intravascular blood pressure changes, all this can explain variety of trigger zones causing ischemic lesions formation occurred by disgemias of different origins. The issue on cerebral arteries visualization demands from researches to develop more sophisticated methods of MRA to get high resolution ratio and obtain more detailed information about distant segments of cerebral arteries.


Subject(s)
Brain/blood supply , Cerebral Angiography/methods , Cerebral Arteries , Cerebrovascular Circulation/physiology , Cerebrovascular Disorders/diagnosis , Cerebral Arteries/diagnostic imaging , Cerebrovascular Disorders/diagnostic imaging , Cerebrovascular Disorders/physiopathology , Female , Humans , Magnetic Resonance Angiography , Male , Middle Aged , Models, Cardiovascular , Ultrasonography, Doppler, Transcranial
4.
Klin Khir (1962) ; (7): 9-12, 1994.
Article in Ukrainian | MEDLINE | ID: mdl-7823516

ABSTRACT

Immediate and late follow-up results of nonoperative and operative treatment of 244 patients with atherosclerotic dyscirculatory encephalopathy (ADE) were analyzed. The effectiveness of operative treatment is 1.9 times the non-operative one. Surgical correction of ADE of the I-II stages is mostly prognostically favourable. Operative intervention in patients with ADE of the III stage is justified if the operation risk is lower than the risk of disease progress. Indications for the operative treatment in patients with ADE caused by stenosing lesions of the main head arteries are elaborated.


Subject(s)
Intracranial Arteriosclerosis/therapy , Female , Follow-Up Studies , Humans , Intracranial Arteriosclerosis/classification , Intracranial Arteriosclerosis/surgery , Male , Middle Aged , Prognosis , Risk Factors , Time Factors
5.
Klin Khir (1962) ; (7): 17-20, 1991.
Article in Russian | MEDLINE | ID: mdl-1942824

ABSTRACT

The analysis of complex examination of 54 patients with stenosing lesion of the major cephalic arteries by means of Doppler ultrasound, ultrasound scanning, carotid angiography, computerized tomography is presented. The most frequently, two ways of collateral blood flow--via the anterior communicative artery and via the branches of the external carotid artery were revealed. In the first case, ischemia of cerebral tissue is not pronounced, because the anterior communicative artery is functioning in change of a pressure gradient. The second way of collateral blood flow is less reliable, because it is developing slowly and do not provide adequate supply and normal functioning of the nerve cells.


Subject(s)
Arteriosclerosis Obliterans/physiopathology , Brain/blood supply , Carotid Stenosis/physiopathology , Cerebrovascular Circulation/physiology , Collateral Circulation/physiology , Vertebral Artery/physiopathology , Adult , Aged , Arteriosclerosis Obliterans/complications , Carotid Artery, Internal/physiopathology , Carotid Stenosis/etiology , Female , Humans , Male , Middle Aged
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