Biomedical subjects
Publications and source records attributed to K Czechowicz-Janicka.
Presented are the results of trials with hydrogel inserts received by radiation method and applied into the conjunctival sac of rabbits. In the future they can serve for incorporation of some definite drugs.
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Presented is a case of Weill-Marchesani syndrome complicated by acute attacks not responding to conservative treatment. The authors discuss a correct procedure in these cases and indications for a surgical intervention.
Investigations were carried out in 25 patients with carotid arteries changes. A 2 MHz head was used. Direction of the flow, the average speed and index of pulsation were determined. The results were compared with examinations in 13 healthy subjects. Disturbances of vision were shown by 11 patients (44 p.c.). A normal direction of blood perfusion was observed in 8 arteries (25 p.c.), a reversed one in 22 (69 p.c.), in 2 patients no Doppler's signal could be obtained. In arteries with a reversal flow of blood the authors observed the maximal mean speed and the lowest pulsation index. In neither case did the ophthalmological examinations reveal any embolic material. It seems that visual disturbances in patients with carotid arteries changes may be caused by a change of direction of the blood flow from a normal to a reversed one.
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The method of computer analysis with the Digital Image Transformer system for assessment of the shape of optic disc and optic cup and disc/cup ratio in healthy subjects is described. The relationship of these parameters of age was also studied.
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The mean retinal venoarterial width ratio in 100 healthy subjects was measured with a PZO stereoscopic microscope equipped with a calibrated ocular and with an automatic digital image transformer coupled with an ODRA 1204 computer. The mean value was estimated as equal to 1.21 with an SD of 0.071. The same study was performed in 75 atherosclerotic patients and 75 patients with essential hypertension. In the first group the mean retinal venoarterial width ratio amounted to 1.51 (SD 0.054), while in the second one it was equal to 1.53 (SD 0.079).