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2023-01-06

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cc-by-nc-nd (c) Elsevier B.V., 2023
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/192573

Psychopathological networks in psychosis: Changes over time and clinical relevance. A long-term cohort study of first-episode psychosis.

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Recurs relacionat

https://doi.org/10.1016/j.schres.2022.12.046

Resum

Background: First-episode psychosis is a critical period for early interventions to reduce the risk of poor outcomes and relapse as much as possible. However, uncertainties about the long-term outcomes of symptomatology remain to be ascertained. Methods: The aim of the present study was to use network analysis to investigate first-episode and long-term stages of psychosis at three levels of analysis: micro, meso and macro. The sample was a cohort of 510 patients with first-episode psychoses from the SEGPEP study, who were reassessed at the long-term follow-up (n = 243). We used the Comprehensive Assessment of Symptoms and History for their assessments and lifetime outcome variables of clinical relevance. Results: Our results showed a similar pattern of clustering between first episodes and long-term follow-up in seven psychopathological dimensions at the micro level, 3 and 4 dimensions at the meso level, and one at the macro level. They also revealed significant differences between first-episode and long-term network structure and centrality measures at the three levels, showing that disorganization symptoms have more influence in long-term stabilized patients. Conclusions: Our findings suggest a relative clustering invariance at all levels, with the presence of two domains of disorganization as the most notorious difference over time at micro level. The severity of disorganization at the follow-up was associated with a more severe course of the psychosis. Moreover, a relative stability in global strength of the interconnections was found, even though the network structure varied significantly in the long-term follow-up. The macro level was helpful in the integration of all dimensions into a common psychopathology factor, and in unveiling the strong relationships of psychopathological dimensions with lifetime outcomes, such as negative with poor functioning, disorganization with high antipsychotic dose-years, and delusions with poor adherence to treatment. These results add evidence to the hierarchical, dimensional and longitudinal structure of psychopathological symptoms and their clinical relevance in first-episode psychoses.

Matèries

Psicosi, Psicopatologia, Esquizofrènia

Matèries (anglès)

Psychoses, Pathological psychology, Schizophrenia

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Articles publicats en revistes (Biologia Evolutiva, Ecologia i Ciències Ambientals)

Citació

GIL-BERROZPE, G.j., PERALTA, Víctor, SÁNCHEZ TORRES, Ana m., MORENO-IZCO, Lucía, GARCÍA DE JALÓN, Elena, PERALTA, David, JANDA, Lucía, CUESTA, Manuel, FAÑANÁS SAURA, Lourdes, HERNÁNDEZ, R., LORENTE, R., PAPIOL, S., RIBEIRO, M., ROSERO, A., ZANDIO, M.. Psychopathological networks in psychosis: Changes over time and clinical relevance. A long-term cohort study of first-episode psychosis.. _Schizophrenia Research_. 2023. Vol. 252, núm. 23-32. [consulta: 8 de gener de 2026]. ISSN: 0920-9964. [Disponible a: https://hdl.handle.net/2445/192573]

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