Psychiatry of somatic diseases: Epidemiology, pathogenesis, classification
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TL;DR
The writer reviews epidemiological data on the association of psychiatric and physical illness, formulates psychopathogenesis, surveys the determinants and modes of psychological responses to disease and injury, and presents a classification of the related psychiatric syndromes.
Abstract
Physical illness is a major cause of psychiatric morbidity. This statement is supported both by epidemiological surveys and by countless clinical studies documenting the causal role of somatic diseases and their treatment in concurrent psychiatric disorders. Despite the high frequency and practical importance of this association, however, the whole area of psychopathology related to physical illness has been relatively neglected by American psychiatrists. We know little about the incidence and prevalence of psychiatric disorders caused by organic disease in general and by the various classes of somatic disorders in particular. The official classification of mental disorders is inadequate and muddled in its treatment of psychiatric syndromes causally related to cerebral and systemic diseases.1 The mechanisms, processes and significant variables intervening between a given physical disorder or injury on the one hand, and the development of psychological dysfunction on the other, that are the domain of psychopathogenesis, are still inadequately worked out. The various explanatory concepts and hypotheses in this area are not integrated, and the relevant terminology is ambiguous and overlapping. As a result, teaching of this aspect of psychiatry is generally poor, research lags, and patient care suffers.The writer reviews epidemiological data on the association of psychiatric and physical illness, formulates psychopathogenesis, surveys the determinants and modes of psychological responses to disease and injury, and presents a classification of the related psychiatric syndromes. It is an attempt at integration of a large body of data.
