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Smulevich A.B.
Sechenov First Moscow State Medical University (Sechenov University);
Mental Health Research Centre
Kostyuk G.P.
Sechenov First Moscow State Medical University (Sechenov University);
Alexeev Mental Health Clinic No. 1
Dorozhenok I.Y.
Sechenov First Moscow State Medical University (Sechenov University);
Mental Health Research Centre
Romanov D.V.
Sechenov First Moscow State Medical University (Sechenov University);
Mental Health Research Centre
Clinical systematics of chronic delusional psychoses in schizophrenia and schizophrenia-spectrum pathology
Journal: S.S. Korsakov Journal of Neurology and Psychiatry. 2024;124(7): 65‑74
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To cite this article:
Smulevich AB, Kostyuk GP, Dorozhenok IY, Romanov DV. Clinical systematics of chronic delusional psychoses in schizophrenia and schizophrenia-spectrum pathology. S.S. Korsakov Journal of Neurology and Psychiatry.
2024;124(7):65‑74. (In Russ.)
https://doi.org/10.17116/jnevro202412407165
To develop a systematics of chronic delusional psychoses in schizophrenia and pathology of the schizophrenic spectrum that takes into account psychopathological structure (the mechanism of delusional formation) and the trajectories of the disease course (the ratio of negative/positive dimensions).
The study sample was recruited from the large Moscow psychiatric hospital in 2019—2024 and included 126 patients (94 male, 32 female, mean age 36.5±12.1 years) hospitalized with ICD-10 diagnosis of paranoid schizophrenia (F20.00) or delusional disorder (F22). A clinical-psychopathological method was used.
The study identifies three variants of paranoid domains, the typology of which takes into account both the psychopathological structure and the trajectories of their development, which determine the dominance of predominantly negative or positive symptoms throughout the disease: 1) psychosis with delusional interpretations and predominant orientation of symptoms towards the negative pole of the schizophrenia psychopathology (n=37, 29.4%); 2) psychosis with hallucinatory delusions and predominant direction of symptoms towards the positive pole of the schizophrenia psychopathology (n=50, 39.7%); and 3) «combined» hallucinatory-delusional psychosis with a simultaneous orientation of symptoms to the negative/positive poles of the schizophrenia psychopathology (n=39, 30.9%). Detailed phenomenological characteristics of each of the three presented variants are given.
The developed three-component taxonomy confirms, on the model of chronic delusional psychoses appearing in schizophrenia and the pathology of the schizophrenia spectrum, the concept of simultaneous representation of two relatively independent domains determined by neurobiological processes in the schizophrenia psychopathology positive and negative disorders.
Keywords:
Authors:
Smulevich A.B.
Sechenov First Moscow State Medical University (Sechenov University);
Mental Health Research Centre
Kostyuk G.P.
Sechenov First Moscow State Medical University (Sechenov University);
Alexeev Mental Health Clinic No. 1
Dorozhenok I.Y.
Sechenov First Moscow State Medical University (Sechenov University);
Mental Health Research Centre
Romanov D.V.
Sechenov First Moscow State Medical University (Sechenov University);
Mental Health Research Centre
Received:
18.04.2024
Accepted:
23.04.2024
List of references:
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