Organic Psychosis Causing Secondary Schizophrenia in One-Fourth of a Cohort of 200 Patients Previously Diagnosed With Primary Schizophrenia

SummaryWe report on the case of a patient who developed an acute meningitis and, after a period of about two weeks, without any neuropsychiatric problems, an acute paranoid-hallucinatory and catatonic syndrome. The symptomatology is discussed, in relation with the diagnostic difficulties of differentiating between a biphasic meningo-encephalitis with an organic psychosis or a first manifestation of an endogenous psychosis.

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Mortality among Psychiatric Patients

Scottish Medical Journal ◽

10.1177/003693307001500404 ◽

1970 ◽

Vol 15 (4) ◽

pp. 143-148 ◽

Cited By ~ 53

Author(s):

G. Innes ◽

W. M. Millar

Keyword(s):

Causes Of Death ◽

Psychiatric Patients ◽

Psychiatric Services ◽

Social Classes ◽

First Year ◽

Organic Psychosis ◽

Physical Symptomatology ◽

Regional Board ◽

Excessive Number

A 5-year follow-up study was carried out of all referrals to the psychiatric services in a Regional Board area. The death registers of the Registrar General for Scotland were searched for all patients who were not known to be alive at the end of the study. Of the 2103 patients included in the original study, 343 were found to have died. This represents 15.9 per cent of males and 16.7 per cent of females referred. Most of the deaths (41%) occurred in the first year of follow-up, 20 per cent in the first 3 months. The overall death rate was approximately twice the expectation based on death rates in the general population of the area. The excess was greatest in those aged under 55 years. All areas of residence, occupations and social classes had increased mortality. Those patients diagnosed as organic psychosis had highest mortality (70%) but all diagnoses had an excessive number of deaths when standardised for age. Of the initial referrals, 1.4 per cent committed suicide during the follow-up period. Apart from neoplasms where deaths were close to expectation, all other broad categories of causes of death were equally involved in the increase. This survey of a total psychiatric referral group (in-patients, out-patients and domiciliary visits and private patients) supports previously reported studies, mainly of in-patients, in their finding of an association between high mortality rates and psychiatric illness. It is possible that this association may result from selective referral to the psychiatric services of those psychiatrically ill patients who exhibit physical symptomatology.

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Intramuscular (IM) ziprasidone vs. IM haloperidol in patients with acute, non-organic psychosis

European Psychiatry ◽

10.1016/s0924-9338(99)80609-9 ◽

1998 ◽

Vol 13 (S4) ◽

pp. 303s-303s ◽

Cited By ~ 4

Author(s):

S. Brook ◽

M. Krams ◽

K. Gunn

Keyword(s):

Organic Psychosis

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Midline anomalies and organic psychosis: congenital or degenerative? A cross-sectional study of 62 patients with Andermann syndrome

European Psychiatry ◽

10.1017/s0924933800003035 ◽

1992 ◽

Vol 7 (3) ◽

pp. 109-113 ◽

Cited By ~ 2

Author(s):

MJ Filteau ◽

E Pourcher ◽

RH Bouchard ◽

P Baruch ◽

J Mathieu ◽

...

Keyword(s):

Early Childhood ◽

Ct Scan ◽

Cross Sectional Study ◽

Dementia Praecox ◽

Ventricular Size ◽

Sectional Study ◽

Organic Psychosis ◽

Cross Sectional ◽

Schizophrenic Patients ◽

Degenerative Processes

Brain alterations have been sought since the beginning of the century to explain the ‘dementia’ of dementia præcox. Kraepelin suggested in 1913 that it might have its internal origins in early childhood, while Southard (1915) considered likely a congenital or early acquired basis for the development of the disease. Afterwards, degenerative processes were described for decades until neurodevelopmental theories emerged recently (Lewis, 1988).Using pneumoencephalography, Jacobi and Winkler (1927) first reported that some patients with schizophrenia presented enlarged ventricles. Johnstone et al (1976, 1978), in CT-scan studies, observed an increase in mean lateral ventricular size in a group of institutionalized schizophrenic patients. This finding has been replicated by other studies (Weinberger et al, 1983) but challenged by others (Gluck et al, 1980; Jernigan et al, 1982).

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Psychiatric Sequelae of Organophosphorous Poisoning: A Case Study and Review of the Literature

Behavioural Neurology ◽

10.1155/1994/683275 ◽

1994 ◽

Vol 7 (3-4) ◽

pp. 117-122 ◽

Cited By ~ 9

Author(s):

R. H. Bradwell

Keyword(s):

Affective Disorder ◽

Organophosphorus Compounds ◽

Bipolar Affective Disorder ◽

Review Of The Literature ◽

Farm Worker ◽

Organic Psychosis ◽

Clinical Observations ◽

Research Findings ◽

Psychiatric Sequelae

This is the case of a young farm worker presenting with episodes of acute organic psychosis superimposed on a state of chronic anergy and hypersomnia. It is suggested that he developed an encephalopathic illness presenting with an organic bipolar affective disorder as a result of organophosphate exposure. In proposing this aetiology, an hypothesis is developed which links clinical observations and investigative results with research findings in relation to organophosphorus compounds and neuropharmacology.

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P.538 Organic psychosis: an immunotherapy treatment and autoimmune encephalitis. A case report

European Neuropsychopharmacology ◽

10.1016/j.euroneuro.2020.09.392 ◽

2020 ◽

Vol 40 ◽

pp. S302-S303 ◽

Cited By ~ 1

Author(s):

A. Alvarado Dafonte ◽

L. Soldado Rodríguez ◽

M. Valverde Barea ◽

F. Vilchez Español

Keyword(s):

Case Report ◽

Autoimmune Encephalitis ◽

Organic Psychosis

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The Significance of Abstract and Concrete Behaviour in Elderly Psychiatric Patients and Control Subjects

Journal of Mental Science ◽

10.1192/bjp.101.425.841 ◽

1955 ◽

Vol 101 (425) ◽

pp. 841-850 ◽

Cited By ~ 13

Author(s):

Barbara Hopkins ◽

Felix Post

Keyword(s):

Elderly People ◽

Psychiatric Illness ◽

Psychiatric Patients ◽

Brain Disease ◽

Organic Psychosis ◽

Control Subjects ◽

Brain Changes ◽

Environmental Causes ◽

And Control ◽

Senile Brain

The recognition of a well-established psychosis due to arteriosclerotic or senile brain changes rarely presents any difficulty. However, increasing numbers of elderly people are seen with affective, paranoid, or neurotic manifestations, and it is sometimes very difficult to decide whether their symptoms present prodromata of an organic psychosis, or whether in the absence of degenerative brain disease they are occasioned by a variety of endogenous and environmental causes leading to a “functional” psychiatric illness.

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