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Results for “CEREBRAL ARTERIOSCLEROSIS”

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PubMed1997

[Musical relaxation therapy on the cerebral arteriosclerosis].

The transcranial Doppler and psychological measurement methods were used to evaluate the effect of musical relaxation therapy on the cerebral arteriosclerosis. The results showed that the musical relaxation therapy could improve the cerebral blood flow (physiological), offset the Type A behavior and eliminate the emotional disturbance (psychological), and that its effect was better than that of the control patients. The mechanism of the effect may be related to the 1/f sound wave (physical), abdominal respiration with long expiration and involuntary inspiration (physiological) and the hinting effects of the inducing phrases (psychological).

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PubMed1987

[Effect of the time of day on the EEG in cerebral arteriosclerosis].

UNLABELLED: The study was conducted with three men and seven women, 72-84 years old, characterized by psychopathological and clinical signs of cerebral arteriosclerosis (A). All patients suffered from disorder of sleep-waking rhythm. With one exception every experiment ran for five days during which closed-eye-EEGs were registered at 8 a.m., 12 noon, 4 p.m., and 8 p.m. of the alert but relaxed patients and recorded on tape for computer processing. Simultaneously with every EEG registration the body temperature was measured. The findings were compared statistically with corresponding data of a former study conducted with ten healthy aged volunteers (G). RESULTS: The dominant peak-frequency of the patients turned out significantly slower than that of the volunteers.--While in healthy persons the peak frequency increased corresponding with the body temperature from the morning to the late afternoon or the early evening respectively, the patients lacked such a correlation, although their temperatures rose gradually in the normal way. In most of the patients the peak-frequency had a remarkable small variety from day to day as well as from scalp-position, and its circadian shift was poor. Psychopathologically these subjects manifested primarily memory loss, general intellectual decline, and in four cases disorientation. On the other hand the EEGs of three women showed substantial greater variety of the peak-frequency from day to day and from scalp-position to scalp-position. Besides the alterations during the day were rather excessive, but lacking any appreciable correspondence with the undisturbed circadian variations of the body temperature. In these three cases psychopathologically personality changes preponderated.

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PubMed1988

Delusional parasitosis. A comparative study to late-onset schizophrenia and organic mental disorders due to cerebral arteriosclerosis.

Delusional parasitosis (DP) was found in about 7 of 10,000 psychiatric admissions. The comparison of patients suffering from DP (n = 20) with 170 cases of late-onset schizophrenia (LOS) and 120 patients diagnosed as organic mental disorder due to cerebral arteriosclerosis (CAS) showed more similarities of DP with organic than with schizophrenic disorders. In addition, the phenomenological analysis supports the classification of the majority of DP cases as organic mental disorders. Even careful analysis cannot always answer the question, whether the main symptoms of DP have to be classified as delusions, hallucinations or misidentifications.

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PubMed1981

[Reaction time during ageing and in cerebral arteriosclerosis (author's transl)].

Authors studied 142 test persons aged between 54 and 86 years who were, expected for arteriosclerosis, free of any other disease. Severity of arteriosclerosis was assessed by funduscopy and the test persons divided into four groups: without of arteriosclerosis, mild and medium arteriosclerosis, respectively, and severe arteriosclerosis. The automatic measurement of reaction time was repeated in the majority after certain interval. Results of the two examinations have been compared. It has been found that delay of reaction time showed substantial relationship with the severity of cerebral arteriosclerosis and exceeded the relationship with age. Longitudinal examination gave evidence that during aging delay of reaction time showed an even speed, i.e. age does not influence speed of delay. Contrariwise regression was found to be essentially more rapid in the groups with severe arteriosclerosis with poor incipient values.

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PubMed1999

[Orthostatic transient unresponsiveness in an elderly patient with severe cerebral arteriosclerosis under antihypertensive medication].

An 80-year-old man who had was administered antihypertensive medication showed repeated transient unresponsiveness during standing and/or walking. Neurological examination showed no focal neurological signs except mild dementia. Head-up tilting examination induced unresponsiveness and a decrease of systolic blood pressure from 111 mmHg to 86 mmHg. This unresponsiveness disappeared 3 minutes later when the blood pressure recovered to 102/64 mmHg. Cerebral angiography demonstrated occlusion in the right internal carotid artery and the right vertebral artery. Severe stenosis was observed at the left internal carotid artery and the left vertebral artery. Discontinuance of the antihypertensive medication reduced the frequency of orthostatic transient unresponsiveness. Elastic stockings in the lower extremities completely prevented the attack; head-up tilting did not induce hypotension with elastic stockings. The transient unresponsiveness in the present case was probably correlated to hemodynamic failure under the condition of severe cerebral arteriosclerosis.

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PubMed2004

Relationships between arteriosclerosis, cerebral amyloid angiopathy and myelin loss from cerebral cortical white matter in Alzheimer's disease.

Pathological relationships between damage to the deep white matter of the cerebral cortex [as evidenced by myelin loss (ML)], cerebral amyloid angiopathy (CAA) and arteriosclerosis (ART) were investigated in the brains of 137 patients with autopsy-confirmed Alzheimer's disease (AD), in order to better understand the causes of white matter damage in AD, and the contribution of this to the pathogenesis of the disorder. All 137 patients had some degree of CAA in one or more brain regions although the occipital cortex was severely affected by CAA more frequently, and consequently mean CAA severity score was significantly greater, than other cortical regions. Eighty-seven patients (63.5%) were affected by ML, with more patients showing ML from occipital cortex than from other cortical regions leading to a significantly higher mean ML severity score in this region. One hundred and twenty-six patients (92%) were affected by ART, although the occipital cortex was not more frequently affected by ART than other cortical areas, the mean ART severity score in occipital cortex was nonetheless significantly greater than that of frontal and temporal cortex. Eighty-seven patients showed both CAA and ML, although there was only a weak correlation between degree of CAA and extent of ML (P = 0.035). Forty-seven patients showed ML and significant ART, 16 patients showed significant ART but no ML, 40 patients showed ML in the absence of significant ART and 34 patients showed neither significant ART nor ML. Overall, and for each of the four brain regions, the extent of ML correlated significantly (P < 0.001) with degree of ART. However, when only those 47 patients with ML and significant ART were considered, much stronger correlations between the extent of ML and the degree of ART were achieved both overall and within each of the four brain regions. The overall ART severity score (and overall scores for each pathological marker of ART) significantly correlated with that of CAA (P < 0.001). Pathological processes leading to white matter damage, in terms of ML at least, in AD are thus likely to be heterogeneous. Many patients suffer ML in association with ART, but in others ML cannot be explained by presence of ART or CAA. In such patients, autoregulatory changes in blood vessels might be responsible for ML. The association between the extent of CAA and ART suggests shared risk factors for each pathological change.

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