[Pathologic pigmentation and change in the electrical activity of the retina in dialyzed patients].
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Adult↗
Biomedical subjects
J Peregrin
Publications and source records attributed to J Peregrin.
[Computer monitoring and processing of electrophysiologic signals].
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Electrophysiology↗
[Treatment of amblyopia using the CAM visual stimulator in Czechoslovakia].
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Adolescent↗
[Changes in the EEG power spectrum under conditions of opened eyes and closed eyes].
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Adult↗
[Fluorescence angiography and electroretinography in dialyzed patients after hypertensive neuroretinopathy].
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Adult↗
[Unilateral pigment degeneration in the retina. Electrophysiologic and angiographic study].
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Adult↗
[Simultaneous ERG and visually evoked responses to spatially structured stimuli].
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Electroretinography↗
[Changes in ERG potentials in unilateral cataracts].
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Aged↗
[Ocular findings in a mass poisoning with methyl alcohol].
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Electroretinography↗
[Is hypertension the only pathogenic factor in the development of neuroretinopathy in dialysed patients?].
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Adolescent↗
Comparison of different averaging techniques applied to simulated visual evoked potentials.
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Evoked Potentials, Visual↗
[Factor analysis and its use in EEG evaluation].
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Electroencephalography↗
[Electroretinography and age].
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Adolescent↗
[EEG spectral analysis in chronic renal insufficiency].
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Adult↗
[The effect of antithrombocyte drugs on the patency of aortocoronary bypass].
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Aspirin↗
Long-term observation of retinal electrical activity in dialyzed and renal transplantation patients.
The electroretinographic (ERG) intensity-response function was evaluated in 90 patients subjected to regular dialysis treatment (RDT) and in 27 patients after renal transplantation. Using a logistic equation, three parameters for each set of ERG curves were computed: M, the retinal sensitivity; S, the slope; and A, the maximum attainable potential amplitude. A statistically significant decrease of the A and S values of both the b and a waves in the course of RDT was found. After approximately 6 years of RDT, the frequency of patients with pathological A and S values amounted to 94.6% (b wave) and 80.4% (a wave). On the other hand, renal transplantation was accompanied by a tendency to normalize the original pathological values of the ERG parameters. Changes of electrical retinal activity could contribute to the evaluation of the state of compensation in dialyzed patients.
Adult↗
[Relation between the results of EEG spectral analysis and biochemical findings in dialyzed patients].
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Adult↗