Retrospective study on structural neuroimaging in first-episode psychosis

Ricardo Coentre, Amilcar Silva-dos-Santos, Miguel Cotrim Talina

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Background. No consensus between guidelines exists regarding neuroimaging in first episode psychosis. The purpose of this study is to assess anomalies found in structural neuroimaging exams (brain computed tomography (CT) and magnetic resonance imaging (MRI)) in the initial medical work-up of patients presenting first-episode psychosis. Methods. The study subjects were 32 patients aged 18-48 years (mean age: 29.6 years), consecutively admitted with first-episode sYo h sis diagnosis. Socio-demographic and clinical data and neuroimaging exams (CT andMRI) were retrospectively studied.e Diagnostic assessments were made using the Operational CriteriaChecklist+Nu roimaging images (CT and MRI) and respective reports were analysed by an experienced consultant psychiatrist. Results. None of the patients had abnormalities in neuroimaging exams responsible for psychotic symptoms. Thirty-seven percent of patients had incidental brain findings not causally related to the psychosis (brain atrophy, arachnoid cyst, asymmetric lateral ventricles, dilated lateral ventricles, plagiocephaly and falx cerebri calcification). No further medicalreferralwas neededfor any ofthese patients. `No signiicant differences regarding gender, age, diagnosis, duration of untreated psychosis, in-stay and cannabis use were found between patients who had neuroimaging abnormalities versus those without. Discussion. This study suggests that structural neuroimaging exams reveal scarce abnormalities in young patients with first-episode psychosis. Structural neuroimaging is especially useful in first-episode psychosis patients with neurological symptoms, atypical clinical picture and old age.
Original languageEnglish
JournalPeerJ
Volume4
DOIs
Publication statusPublished - 26 May 2016

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