G Pawłowski

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In 70 patients with epilepsy and severe behavioural disturbances with EEG changes in the temporal regions, we performed EEG investigations of deep temporal structures, temporal cortex and scalp, using Talairach's stereotactic apparatus. Taking into account the recorded changes we performed 115 stereotactic lesions on the medial amygdala (both unilaterally(More)
CSF outflow resistance was studied in cats using the lumbar infusion tests. Different infusion rates were applied from 0.012 to 1.8 ml/min. ICP level obtained during infusions varied from 8.9 +/- 3.0 to 144.0 +/- 25.7 mmHg. The calculated resistance (R) values were within 75.2 +/- 14.4 to 255.6 +/- 71.2. mm Hg/ml/min. The relation between ICP and R are(More)
The effects of physiological loadings (venous pressure increase, postural changes, pCO2 increase) on intracranial volume-pressure relations were studied. The standardized increase of venous outflow pressure was found to be a good test for the evaluation of CSF outflow routes. Standardized venous outflow pressure increase in Queckenstedt test seems to be(More)
In the model of experimental occlusion of superior sagittal sinus (SSS) in 6 cats, the authors examined cerebral cortex activity by means of visual evoked potentials (VEP). They found shortening of latency of P2 wave potential in relation to the control by 5.5-13.3 msec, appearing after 4-6 hours following occlusion. Simultaneous cerebrospinal fluid(More)
The experiment was carried out on 19 cats with changed intracranial volume-pressure relations by means of an epidural balloon which was inflated to 1.0 ml volume over 60 minutes. The intracranial pressure, the resistance to cerebrospinal fluid resorption, the volume-pressure responses and visual evoked potentials were determined at balloon volumes of 0.3(More)
The results are described of a study of the process of verbal material learning and its recall after distraction in 20 patients with involuntary movements treated by thalamotomy, and in 20 epileptic patients treated by amygdalotomy and hippocampotomy. In both groups learning difficulties had been noted already before the operation. In postoperative tests(More)
Diagnostic methods for estimating the disturbances of the intracranial fluid resorption process were presented. The following tests are described: constant rate infusion test, boluses, perfusion test, constant pressure infusion test. The methods were compared in the face of the concept of nonlinear outflow resistance--pressure relationship. The author(More)
The experiment was carried out on 17 cats with intracranial volume-pressure relations changed by means of an epidural balloon of 1.0 ml volume (group I--12 cats) and 0.5 ml (group II--5 cats). The duration of compression exerted by the balloon was 360 min. The intracranial pressure, volume-pressure responses, resistance to cerebrospinal pressure resorption(More)
A diagnostic additional filling test is described which is used for the assessment of the mechanisms of volume-pressure compensation. In the test infusion is used of "physiological" sinusoidal relationship between the infused volume and time. The duration of the test is 10 minutes and it does not require pressure stabilization. On the basis of 23 clinical(More)
Saggital sinus occlusion was produced in cats. The intracranial volume-pressure relations were studied using the lumbar infusion tests. Right after occlusion ICP rised from 7.1 +/- 1.8 to 12.4 +/- 4.1 mmHg. The values of outflow resistance and volume-pressure response increased also and remained significantly unchanged with only slight decrease of the(More)