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Biomedical subjects

A Shalev

Publications and source records attributed to A Shalev.

At least 55 records · Page 3Linked to original sources
PubMed1987

The hypouricemic effect of chlorprothixene.

The hypouricemic effect of chlorprothixene (Taractan), a major tranquilizer from the group of thioxanthenes, was evaluated in 30 psychiatric patients who took the drug as part of their regular treatment. Levels of serum uric acid, urea, and creatinine before, during, and after the treatment were measured, as well as creatinine clearance and uric acid clearance before and during the treatment. A uricosuric effect, resembling that of probenecid, was found that exerts itself in all the patients, regardless of age, sex, diagnosis, and associated drugs. The resulting hypouricemia starts as soon as 24 hours from the beginning of treatment, stabilizes within 10 days, and averages, at that time, 48% of the initial level. It is reversible within 10 days from the end of treatment.

Administration, Oral↗
PubMed1987

Severe akathisia causing neuroleptic failure: an indication for lithium therapy in schizophrenia?

Several neuroleptics recurrently failed to ameliorate psychosis in three schizophrenic patients. Failures were caused by recurrent intractable akathisia, unresponsive to diazepam and trihexyphenidyl. Lacking this extrapyramidal side effect, lithium carbonate was tried and proved an effective antipsychotic. It is suggested that in schizophrenic psychosis lithium is a rational therapeutic option in cases of neuroleptic intolerance and failures due to akathisia.

Adult↗
PubMed1986

The salivary flow rate and composition of whole and parotid resting and stimulated saliva in young and old healthy subjects.

Resting and stimulated whole and parotid salivary composition and flow rate were examined in 63 healthy volunteers. No significant differences were found between the young and old in secretion rates and salivary concentrations of sodium, potassium, calcium, magnesium, and total protein. The activity of amylase in the resting and stimulated parotid saliva was significantly lower in the old.

Adult↗
PubMed1986

The neuroleptic malignant syndrome: agent and host interaction.

This review comprises an exhaustive analysis of 120 case reports of neuroleptic malignant syndrome (NMS) representing the majority of published clinical data on this syndrome. Epidemiological, clinical and biological parameters, as well as those concerning the agent and the treatment of the syndrome, are critically evaluated on the basis of this data. The rate of neuroleptic loading is shown to play a cardinal role in the development of NMS. Rechallenge and aftercare of patients who need anti-psychotic treatment after NMS are considered.

Adolescent↗
PubMed1986

Bradycardia due to trihexyphenidyl hydrochloride.

A chronic schizophrenic patient was treated with an anticholinergic drug, trihexyphenidyl hydrochloride. The patient developed, paradoxically, sinus bradycardia. The reaction was specific to trihexyphenidyl and not to other anticholinergic drugs. This antidyskinetic drug is widely used in clinical psychiatric practice and physicians should be aware of this side effect.

Adult↗
PubMed1986

Conversion without hysteria: a case report and review of the literature.

The term 'conversion' implies a correlation between conversion symptoms, hysteria, and hysterical personality. A clinical case of conversion related to chronic post-traumatic disorder, with paranoid features, was successfully treated by anti-psychotic drugs; it illustrates the non-specific nature of conversion symptoms. Mechanic's concept of 'illness behaviour' is a frame-work that meets the need for a broader understanding of conversion symptoms.

Aged↗
PubMed1986

[The post-traumatic syndrome: 6 months after the trauma].

In 61 persons examined six months after their evacuation for an acute combat syndrome, the clinical wide range of which is well known, the presence of a clear psychiatric anamnesis (only noticed in the fourth part of the cases) or of a significant immediate psychic reaction, had no influence on the clinical picture of the post-traumatic syndrome. The depressive affect emerged from unvarying current features. Three quarters of the patients still offered such a very homogeneous "block". This short duration study only concerned people who went on living in a familial or social environment, but whose problem of disablement had not yet been settled, consequently excluding the most serious and mildest cases. However, concerning combat stress or traumas in civil surroundings, the data gathered show the necessity of an early and active therapeutic approach.

Adult↗
PubMed1985

Evolutionary conservation of brain Thy-1 glycoprotein in vertebrates and invertebrates.

The evolutionary conservation of brain Thy-1 glycoprotein in 24 vertebrate and invertebrate species has been investigated by means of a soluble phase radioimmunoassay (RIA) and by the "Western blot" technique. The brain glycoproteins from virtually all the vertebrate species inhibited the precipitation of mouse Thy-1.1 by a rabbit anti-rat Thy-1 antiserum. Most reagents also inhibited the binding of a mouse anti-rat Thy-1 monoclonal antibody to rat Thy-1. Whole tissue glycoproteins from earthworm, snail and oyster and ganglia glycoproteins of a locust species were also found to be inhibitory. Western blotting analysis on NaDod SO4 polyacrylamide gel electrophoresis under reducing conditions revealed a Thy-1 homologous molecule (22-25 KD) in mammals, birds, fish, reptiles and invertebrate species. The snail Thy-1-like molecule was eluted from the gel and was shown to specifically inhibit the serological reaction. The rabbit anti-rat Thy-1 antiserum also detected a doublet molecule of approximately 85,000 KD, which is conserved in all species, including yeast and bacteria. The origin and nature of the presumed glycoproteins is unknown. Our results suggest that the Thy-1 molecule has been conserved throughout metazoan evolution and that the Thy-1 gene is the most conserved among the immune related genes (immunoglobulins, beta 2-microglobulin and major histocompatibility) which share extensive amino acid homology.

Animals↗
PubMed1985

Contribution of adverse drug reaction to admission rates in an acute psychiatric ward.

The relative contribution of adverse drug reactions (ADR) to the admission rate of an acute psychiatric ward was examined prospectively. Among 321 patients hospitalized over a period of 17 months, adverse drug reactions were the main cause for hospitalization in 7.5%. Extrapyramidal side effects - mainly resistant akathisia - account for half of these patients. The population at high risk was that of the elderly and those suffering from organic brain syndromes.

Adolescent↗
PubMed1985

The aftercare of the patient with the neuroleptic malignant syndrome.

The neuroleptic malignant syndrome (NMS) is an idiosyncratic reaction to neuroleptic drugs, made up of hyperthermia, muscular rigidity, disturbance of level of consciousness and autonomic dysfunction. It is potentially lethal and should be kept in mind whilst using anti-psychotic drugs; as most patients treated by them require further anti-psychotic treatment, the clinician faces the problem of treating those patients after a NMS episode, yet reports in the literature have generally neglected the problem of late management. A patient suffering from a psychosis and NMS is presented, and a rationale for management offered.

Adult↗