Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0085584 (encephalopathy)
 18,178 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

As many as 120 subjects, directed in 1984-1988 to the Diagnostic-Consultative Family Centre in Szczecin, were studied due to behaviour disorders or penal acts. Thirteen (10.8%) juveniles were exempted from further studies, since they were diagnosed to have mental deficiency or encephalopathy. The rest was studied by means of diagnostic criteria for behaviour disorders according to DSM-III-R. Those complying with the criteria made up a group with Behaviour Distemper Syndrome (BDS)--74 persons (55 boys and 19 girls), while the others formed a group holding Single Behaviour Distemper (SBD)--33 persons (21 boys and 12 girls). Two age subgroups, 7-14 and 15-17 years, were isolated from each of the groups. Use was made of own questionnaire to collect data concerning factors that might induce the revealed behaviour disorders. Groups BDS and SBD were compared with regard to the type and incidence rate of respective signs of behaviour disorders, according to criteria DSM-III-R, and also the age, sex as well as social background, living environment, and hereditary encumberance, course of pregnancy and delivery, former psychophysical development, use of condiments, somatic disorders actually evidenced, parental and school environmental atmosphere and that of peers of the studied group.
 ...
PMID:[Analysis of disorders of adolescent behavior at the Diagnostic- Referral Family Center in Szczecin]. 129 Mar 50

This is a report on six psychiatric patients who indulged in excessive ingestion of water and subsequently developed tonic-clonic seizures in the course of the underlying mental disorders. On the basis of the DSM-III criteria, they were diagnosed as follows: schizophrenic disorder, 4; schizo-affective disorder, 1; borderline personality disorder, 1. The levels of serum electrolytes were estimated during five episodes of seizures in three patients. Hyponatremia was a consistent finding (serum sodium: mean = 120.6 mEq/liter). Plasma osmolality and plasma levels of arginine vasopressin (AVP) were determined during two episodes in two patients. The inappropriately high circulating levels of AVP relative to plasma hypoosmolality were documented. However, the response to the overnight fluid deprivation and acute water load during the period of no seizures in two patients revealed no evidence of the persistent SIADH, suggesting the temporal association of hyponatremic encephalopathy with inappropriate AVP secretion. It is not conclusive whether the transient SIADH is the cause or the consequence of hyponatremic encephalopathy, although a delusion or an auditory hallucination could play a critical role in drinking water excessively in three patients.
 ...
PMID:The syndrome of self-induced water intoxication in psychiatric patients. 406 56

This article summarizes various concepts (Binswangers encephalopathy, multiinfarct-dementia, lacunar state, mixed dementia, dementia due to amyloid angiopathy or vasculitis) and classifications (DSM, ICD, ADDTC) on vascular dementia. It reviews historical, clinical, and diagnostic aspects (i.e. neuroradiology, SPECT, PET) as well as therapeutic approaches. The confusing nomenclature on vascular dementia is discussed, considering especially the non-convincing concept of multiinfarct-dementia that often has been misused as a synonym for vascular dementia. Multiinfarct-dementia is now restricted to a syndrome of vascular dementia due to several large vessels strokes. A current definition and classification of vascular dementia as suggested by NINDS-AIREN international workshop is described. It defines criteria consistent with the diagnosis of "possible", "probable" and "definite" vascular dementia based on clinical, radiologic and neuropathologic features. The criteria of "probable" vascular dementia include all the following: 1. the presence of dementia and cerebrovascular disease defined by focal signs on neurologic investigation and evidence of relevant cerebrovascular disease by brain imaging (multiple lacunae, extensive white matter lesions, multiple large-vessels infarcts or a strategically placed infarct) 2. A relationship between dementia and cerebrovascular disease (onset of dementia within 3 months following a recognized stroke; abrupt deterioration, stepwise progression). This classification of vascular dementia emphasises pathogenetic aspects and includes dementia resulting from small- and large-vessels disease as well as hypoperfusion, haemorrhagic dementia and dementia due to still unknown factors. Operational criteria for the frequent Binswangers encephalopathy--a prototype of vascular dementia--are presented. Thereby a basis for further research and discussion in this exciting area should have been formed.
 ...
PMID:[Progress in vascular dementia--an overview of vascular dementia from past to new concepts]. 805 Jul 74

This study was performed to determine whether an admission quantitative EEG (QEEG) could assist in the differential diagnosis of encephalopathy among a group of elderly subjects with delirium, dementia, and delirium coexistent with dementia. Thirty four subjects from 57 to 93 years had standard 17-channel EEG and quantitative EEG studies, using a linked-ear reference. EEGs were independently rated by two electroencephalographers blind to clinical diagnosis, using conventional criteria to assess the degree of encephalopathy. Brain maps were scored by a scale developed by the authors. Numerical data examined included mean posterior dominant frequency, absolute and relative power in the delta, theta and alpha bands, and slow-wave ratios. The grouping of experimental subjects was by the discharge diagnosis, made using DSM-III-R criteria. Stepwise discriminant analysis was performed to determine which EEG and QEEG variables were best able to distinguish cases. Variables which collectively distinguished normal from encephalopathic records were Mini-Mental State Examination scores and relative power in the alpha frequency band. Variables which collectively distinguished delirium from dementia were EEG theta activity, relative power in delta, and brain map rating. The results suggest that cross-sectional QEEG study is potentially useful in the early differential diagnosis of encephalopathy, and that the variables which distinguish normal from encephalopathic patients might differ from the variables which distinguish delirium from dementia.
 ...
PMID:Conventional and quantitative EEG in the diagnosis of delirium among the elderly. 827 Sep 45

Neuropsychiatric effects were examined among 206 men, of whom 135 had been house painters and 71 had been house carpenters, affiliated with their respective trade unions for at least 10 years before 1970. Their lifetime organic solvent exposure was evaluated through the aid of an interview. Relevant potential confounding factors were accounted for in the statistical analysis. Neuropsychiatric symptoms compatible with chronic toxic encephalopathy were more common among the painters than among the carpenters, and these symptoms became increasingly prevalent with increasing cumulative solvent exposure. On only one of 12 psychometric tests, block design, did the painters perform worse than the carpenters, and in this test the painters' performance deteriorated with increasing cumulative exposure. For the majority of the psychometric tests, and for the coordination tests, there were no differences between the painters and carpenters, but the painters with "low" exposure tended to show better, and "heavily" exposed painters worse, results than the carpenters. The 52 painters with the heaviest cumulative exposures and 45 carpenters were examined for psychiatric diagnosis according to DSM-III, with electroencephalography and auditory evoked potential, P-300. Three painters and two carpenters had diagnoses compatible with an organic mental disorder. There were no overall differences between the painters and carpenters, either for the visually examined electroencephalograms or the P-300 latencies. The excess of neuropsychiatric symptoms among the painters was probably causally linked to solvent exposure. However, these symptoms seemed only rarely, if ever, serious enough to entail a psychiatric diagnosis. Concerning other outcomes, the investigation may not lead to a determination of whether the exposure-response relationship among the painters, with no difference between the entire group of painters and carpenters, is caused by solvent exposure or by selection factors within the group of painters.
 ...
PMID:Neuropsychiatric function of housepainters with previous long-term heavy exposure to organic solvents. 882 38

The authors investigated the syndromal and cognitive profiles of 25 DSM-III-R older schizophrenic inpatients with continuous acute psychotic symptoms and compared them with 20 younger schizophrenic patients by means of a multidimensional assessment battery. Subjects were medically well and without neurological comorbidity and were comparable in length of current hospitalization and medication regimens. There were no significant differences between the two groups on various symptom rating scores or on neurological variables. The older group's mean scores for various cognitive measures did not reach the value for senile dementia. They also scored significantly better on a memory test and on formal cognitive functions. These findings support the notion of a stable encephalopathy, rather than a dementia-like process, underlying the course of the illness. Authors discussed limitations and implications of these findings.
 ...
PMID:Cognitive deficits and psychopathology in elderly schizophrenic patients. 916 43

The authors, by means of documental research, study the possibility that the physical and psychic symptoms of Vincent van Gogh may have been due to chronic lead poisoning. The technique and materials used by Van Gogh are analysed as the cause of repeated exposure to lead as well as the possible means of penetration of the metal. Through historical-biographical analysis, the progressive symptoms of the illness are compared with those of lead poisoning. The authors conclude that the excessive and continuous use by Van Gogh of pigments which were highly toxic due to their high lead content, such as white lead (lead carbonate) and yellow chrome (lead chromium), could have penetrated his organism by digestive system (primarily) in minimal daily amounts, giving rise to a clinical condition of chronic lead poisoning. This type of poisoning coincides with the clinical symptoms Van Gogh describes in his autographed letters: initial debilitation, stomatitis with loss of teeth, recurring abdominal pains, anaemia (with a "plumbic" skin tone), neuropathy of the radial and saturnine encephalopathy including epileptic crises, progressive character changes and periods of delirium. The clinical symptoms shown by Van Gogh meet present criteria for diagnosis of Organic Mental Disorder due to cerebral lesion or somatic illness (F.06; CIE-10) (DSM-IV-R), and Organic Character Disorder (F.07; CIE-10) (DSM-IV-R).
 ...
PMID:[Implication of lead poisoning in psychopathology of Vincent van Gogh]. 942 66

Delirium has been recognized for the last 3 millennia and is the most common complication found in hospitalized patients aged 65 and older in the United States. However, critical basic science and clinical research did not progress until the DSM III criteria clearly defined delirium 20 years ago. The term delirium then replaced many nonspecific entities, such as acute confusion state, acute brain syndrome, metabolic encephalopathy, and toxic psychosis. This review discusses the epidemiology, risk factors, interventions, causes, management, and outcomes of delirium. The pathophysiology of delirium has the potential to radically alter our management of delirium and is a controversial area of research.
 ...
PMID:Southwestern Internal Medicine Conference. Etiology and management of delirium. 1254 81

Approximately 25% of patients with idiopathic Parkinson's disease (IPD) later develop dementia, with the typical characteristics as detailed in ICD-10 and DSM-IV. Differential diagnosis has to exclude dementia due to Lewy bodies, subcortical vascular encephalopathy and subcortical dementia due to progressive supranuclear paralysis or corticobasal degeneration. Several studies showed promising results for cholinesterase inhibitors such as donepezile, rivastigmine and galantamine. The demented Parkinsonian patients then present with improvement in cognitive function while motor skills do not deteriorate.
 ...
PMID:Dementia in idiopathic Parkinson's syndrome. 1567 22

Although classical psychopathological studies have shown the presence of an independent diagnostic category, 'atypical psychosis', most psychotic patients are currently classified into two major diagnostic categories, schizophrenia and bipolar disorder, by the Diagnostic and Statistical Manual of Mental Disorders (4th edn; DSM-IV) criteria. 'Atypical psychosis' is characterized by acute confusion without systematic delusion, emotional instability, and psychomotor excitement or stupor. Such clinical features resemble those seen in organic mental syndrome, and differential diagnosis is often difficult. Because patients with mitochondrial myopathy, encephalopathy, lactic acidosis, and stroke-like episodes (MELAS) sometimes show organic mental disorder, 'atypical psychosis' may be caused by mutations of mitochondrial DNA (mtDNA) in some patients. In the present study whole mtDNA was sequenced for seven patients with various psychotic disorders, who could be categorized as 'atypical psychosis'. None of them had known mtDNA mutations pathogenic for mitochondrial encephalopathy. Two of seven patients belonged to a subhaplogroup F1b1a with low frequency. These results did not support the hypothesis that clinical presentation of some patients with 'atypical psychosis' is a reflection of subclinical mitochondrial encephalopathy. However, the subhaplogroup F1b1a may be a good target for association study of 'atypical psychosis'.
 ...
PMID:Mitochondrial DNA sequence analysis of patients with 'atypical psychosis'. 1604 57


1 2 Next >>