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Results for “Consciousness Disorders”

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At least 595 records · Page 33Linked to original sources
PubMed1983

Respiratory alkalosis early after stroke: its relation to loco-motor function.

In 27 acute stroke patients with hemi-motor deficit blood gases (paO2, paCO2 and blood pH) were determined within 72 hours and related to level of consciousness, site of brain lesion, findings of haemorrhage into the cerebral spinal fluid, extent of motor impairment and concomitant medical disorders. Sixteen subjects were followed for three weeks with repeated blood-gas sampling and assessment of motor control. Respiratory alkalosis occurred in 37%, hypoxia in 7% but acidosis in none. Blood gas abnormalities were significantly and positively associated only with the extent of motor impairment. Only small changes in blood gases were found during the three weeks follow-up. Initial findings of respiratory alkalosis predicted poor motor recovery during the follow-up period.

Aged↗
PubMedDate not supplied

Computerized electroencephalographic, polysomnographic, transcranial ultrasound and morphopathological research in vertebro-basilar strokes.

This paper contains a clinical, classical electroencephalographic and computerized electroencephalographic (by original methods) study of 271 cases with vertebro-basilar strokes, all the cases being verified by transcranial Doppler ultrasound investigations and some of the patients by morphopathological studies. In the first part, the standard EEG modifications in relation with the clinical pictures and with the affected arterial field are presented. In the second part, the aspects of the computerized EEG recordings with the carrying out of the cortical EEG mappings which have brought important contributions in setting down the topography of the infarctions are discussed. The third part presents the results of the polysomnographic recordings of the 70 selected cases with ischaemic vertebro-basilar attacks without disorders of consciousness (32 cases), with attacks accompanied by symptomatic hypersomnias (13 cases), with ischaemic attacks accompanied by insomnia (5 cases) and with ischaemic attacks with disorders of consciousness (20 cases). The opinion of the authors on the possible relations between the disturbances of the vigilance, the perturbations of the polysomnographic organization of sleep-wakefulness cycles (with the realisation of some interesting competitive dysfunctions between the three states of vigilance) and the electrographic anomalies are discussed.

Adult↗
PubMed1992

The spectrum of neurological disease in patients with systemic cancer.

To ascertain the range of neurological problems in patients with systemic cancer, we prospectively evaluated neurological symptoms, neurological diagnoses, and primary tumors in all patients with a history of systemic cancer examined by the Department of Neurology at the Memorial Sloan-Kettering Cancer Center, from Jul 1, 1990, to Dec 31, 1990. Of the 815 patients seen for neurological symptoms, less than half (45.2%) had metastatic involvement of the nervous system. The three most common symptoms were back pain (18.2%), altered mental status (17.1%), and headache (15.4%). The most common neurological diagnosis was brain metastasis (15.9%), followed by metabolic encephalopathy (10.2%), pain associated with bone metastases only (9.9%), and epidural extension or metastasis of tumor (8.4%). Of 133 patients with undiagnosed back or neck pain, 44 (33%) had epidural extension or metastases from tumor and 40 (30%) had pain associated with vertebral metastases only. In 15 (11%) the cause for the back pain was unrelated to metastatic disease. Of 132 patients seen on initial consultation for altered mental status, metabolic encephalopathy was the major neurological diagnosis (80; 61%); 20 (15%) had intracranial metastases. Of 97 patients with undiagnosed headache, 59 (61%) had a nonstructural cause. Fifty-three of these patients had either migraine, tension headache, or headache related to systemic illness (e.g., fever, sepsis). These results indicate that even in patients with systemic cancer, a group particularly prone to developing neurological disease that can be diagnosed radiologically, the role of clinicians remains important in helping distinguish noncancer-related and nonmetastatic neurological problems.

Adult↗
PubMedDate not supplied

The predelusional state: a conceptual history.

The predelusional state (PDS) is defined as the set of psychopathologic events preceding the crystallization of delusions, and includes strange cognitions, moods, conations, and motor acts that may be fleeting and defy description. This review exclusively deals with the historic aspects of PDS. It is noted that during PDS the patient is expected to report experiences for which, on account of their novelty, he may not even have a name. Thus, it is quite likely that according to culture and personal codes and to the conceptual brief of the interviewer, similar experiences might be reported as depersonalization, bodily sensations, dysphoria, changes in perception of reality or time, dissolution of "ego boundaries," etc. It is therefore not surprising that since the 19th century, PDS has been considered a disorder of cognition, emotions, volition, and consciousness.

Consciousness Disorders↗
PubMedDate not supplied

[Duration and temporality].

The notion of temporality in living is in perpetual motion between passive temporality and creative conscience. Human existence is not purely immanent, a flow of transcedence continually runs through it. Melancholia is a lose of creativity accompanied by a feeling that time as lived has stopped, time being lived as a new mode of space. Maniac temporality is an improductive and unsociable furious flight toward. The melancholic feeling out of time is crushed by the problematic of alterity, sin and eternity. The maniac lives an imaginary and deceptive problematic. The ambivalent ideal of the schizophrenic is both a return to biological life as well as a fascination by formal thought.

Bipolar Disorder↗
PubMed1986

The ambulatory electro-encephalogram as a diagnostic tool in a children's hospital.

The neurophysiology laboratory at the Red Cross War Memorial Children's Hospital provides a diagnostic electro-encephalogram (EEG) service for the hospital and surrounding community. In selected cases ambulatory EEG monitoring is undertaken. The present study is a review of the findings in 55 children thus investigated using the Oxford monitor. Indications included unexplained aberrant behaviour outbursts, erratic school performance, atypical absence episodes and the need to distinguish between real and simulated seizures in children with epilepsy. During reporting, correlations were noted between EEG appearances and the child's behaviour. Abnormalities were noted in 35 of the records. These included paroxysmal spike and wave discharge, focal cortical abnormalities and unequivocal seizure episodes. It is felt that the investigation made a significant contribution to correct diagnosis in 32 cases, and that ambulatory monitoring should be available in all laboratories which offer a diagnostic EEG service for children.

Ambulatory Care↗