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Biomedical subjects

E Augustyniak

Publications and source records attributed to E Augustyniak.

At least 19 recordsLinked to original sources
PubMed1991

[Acute insufficiency of the ophthalmic artery during occlusion of the internal carotid artery].

The authors present a case of a patients aged 41 years in whom the acute insufficiency of the ophthalmic artery was the first and single sign of an internal carotid occlusion. Doppler's pulsating focused ultrasonography showed to be an indispensable method which rendered possible a prompt diagnosis. Besides--this methods enables us to evaluate the dynamics of changes--the regeneration of the ciliary circulation with a compensatory perfusion of blood in some branches of the posterior ciliary arteries, the creation of collateral circulation from the ipsilateral external carotid artery through the ophthalmic artery with a reverse direction of perfusion in its extent and creation of a collateral circulation from the contralateral internal carotid through the anterior cerebral artery.

Acute Disease↗
PubMed1991

[Ciliary circulation in glaucoma complicated by diabetes mellitus].

The speed of blood perfusion and the pulsation curve in ciliary arteries was checked by the method of Doppler's pulsating focused ultrasonography in 30 patients aged 46-78 years treated for glaucoma and diabetes. The data obtained were compared with analogical data in nondiabetic patients with glaucoma. It was established that the increase of the intraocular pressure caused a larger and earlier impairment of the regulating mechanism of the ciliary microcirculation in diabetic patients with glaucoma in comparison with the group of glaucomatous patients without diabetes. Particularly high values of pulsation indexes for ciliary arteries were observed in eyes with glaucoma and with diabetic changes rated as the fifth group of diabetic changes.

Aged↗
PubMed1990

[Correlation of blood flow in the posterior ciliary arteries with visual field changes and the appearance of the optic disc in patients with primary glaucoma].

The velocity of blood perfusion and pulsation curve in posterior ciliary arteries was evaluated in 180 patients (476 eyes) with primary glaucoma, aged 22 to 81 years. The investigations were carried out by Doppler's focused pulsating ultrasonographic method with probes of 2 and 8 MHz frequency connected with a TC-2-64 apparatus (made by EME of German Federal Republic). The blood perfusion in the posterior ciliary arteries was compared with the changes in the visual field, in the aspect of the optic disc in patients with primary glaucoma and various levels of the IOP. In patients with primary glaucoma and advanced fundus changes (of 2-nd and 3-rd grade) the mechanisms of regulation of the ciliary circulation were normally functioning for quite a long time. In the period of breaking down of the mechanisms the changes in the visual field came into being.

Adult↗
PubMed1990

[Comparative evaluation of blood flow in posterior ciliary arteries in patients with glaucoma after surgical and pharmacological treatment].

The perfusion of blood and pulsation curve in the posterior ciliary arteries in glaucomatous patients was evaluated before and after surgical and pharmacological treatment by Doppler's focused pulsating ultrasonographic method by means of a TC-2-64 apparatus with a probe of 8 MHz frequency. Twenty two patients were treated only conservatively, 27 by a surgical intervention. Before the installation of the treatment the intraocular pressure was higher than 35 mm Hg (averagely), the perfusion velocity was lowered and the indexes of pulsation elevated. After surgery the IOP was lowered--averagely beneath 15 mm Hg, the velocity of blood perfusion and pulsation indexes showed normal values in all the operated persons. After pharmacological treatment the IOP lowered but its mean value persisted in the 20-22 mm Hg range. Only in patients with early glaucomatous changes the blood perfusion remained normal with the intraocular pressure around 20 mm Hg. Instead in patients with advanced glaucomatous changes the velocity of the blood perfusion and the pulsation indexes showed pathological values with the IOP around 20 mm Hg.

Adult↗
PubMed1990

[Evaluation of methods for reproducing doppler pulsating focused ultrasonography].

In 53 patients treated for primary glaucoma the authors performed 2 examinations of blood perfusion in the posterior ciliary arteries during 2 following days. The patients had been examined in the period of a normalized IOP. The difference in the IOP between the first and second examination did not exceed 3.3 mm Hg and the difference in the mean general blood pressure--10 mm Hg. The blood perfusion in the posterior ciliary arteries was checked by Doppler's pulsating focused ultrasonography, by means of a TC-2-64 apparatus with a probe of 8.0 MHz frequency. The velocity of the blood perfusion, the pulsating index and the transmission of pulsation were evaluated. The differences between respective parameters characterizing the blood perfusion in the posterior ciliary arteries between the first and second examination were statistically insignificant, on the importance level of 0.01.

Adult↗
PubMed1989

[Evaluation of blood perfusion velocity in the ophthalmic artery of glaucoma patients].

One hundred and ten examination were performed in 71 patients with primary glaucoma aged 21-81 years (217 eyes). The blood perfusion speed in the ophthalmic artery was measured in each patient by the ultrasonographic pulsating Doppler's method with a probe of a 2.0 MHz frequency by means of a TC-2-64 apparatus of EME production. The ophthalmic artery was examined by transorbital technique according to Spencer and Whisler on a 40-50 mm depth. The examined orbits were divided into 4 groups in dependence of the grade of the optic nerve atrophy. A lowering of over 50 per cent of the blood speed (below 10 cm/s) was found in 10.6 per cent of the eyes. Optic atrophy of the 3d and 4th grade was revealed in 70 p.c. of these eyes; the intraocular pressure remained in normal limits.

Adult↗
PubMed1989

[Evaluation of blood flow velocity and pulsation curve in the posterior ciliary arteries in glaucoma].

One hundred and thirty two examinations (253 eyes) were performed in 78 patients with primary glaucoma, 21-81 years of age. The blood speed and pulsation curve in the posterior ciliary arteries were evaluated by the ultrasonographic pulsating focused Doppler's method with a probe of 8 MHz frequency, connected to the TC-2-64 apparatus of EME production in eyes with a various grade of the optic nerve lesion and by various values of the IOP. It was shown that in eyes with early glaucomatous changes of the optic nerve the correct perfusion in the ciliary circulation is secured in the presence of a rise of the IOP up to 34 mm Hg. Instead in eyes with an advanced optic atrophy a normal perfusion in the ciliary arteries persists only when the IOP is lower than 15 mm Hg.

Adult↗