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Bipolar Prodrome Symptom Scale - Abbreviated Screen for Patients: Description and validation

Van Meter, Anna; Guinart, Daniel; Bashir, Asjad; Sareen, Aditya; Cornblatt, Barbara A; Auther, Andrea; Carrión, Ricardo E; Carbon, Maren; Jiménez-Fernández, Sara; Vernal, Ditte L; Walitza, Susanne; Gerstenberg, Miriam; Saba, Riccardo; Cascio, Nella Lo; Correll, Christoph U (2019). Bipolar Prodrome Symptom Scale - Abbreviated Screen for Patients: Description and validation. Journal of Affective Disorders, 249:357-365.

Abstract

OBJECTIVE There is no standard method for assessing symptoms of the prodrome to bipolar disorder (BD), which has limited progress toward early identification and intervention. We aimed to validate the Bipolar Prodrome Symptom Scale-Abbreviated Screen for Patients (BPSS-AS-P), a brief self-report derived from the validated, clinician-rated Bipolar Prodrome Symptom Interview and Scale-Full Prospective (BPSS-FP), as a means to screen and identify people for whom further evaluation is indicated.
METHOD Altogether, 134 participants (aged 12-18 years) were drawn from a study of the pre-syndromal stage of mood and psychotic disorders. All participants had chart diagnoses of a mood- or psychosis-spectrum disorder. Participants were interviewed with the BPSS-FP and completed measures of mania and non-mood psychopathology. Prior to being interviewed, patients completed the BPSS-AS-P. Scores on the BPSS-AS-P were determined by summing the severity and frequency ratings for each item.
RESULTS BPSS-AS-P scores were highly reliable (Cronbach's alpha = 0.94) and correlated with the interview-based BPSS-FP Mania Symptom Index (r = 0.55, p < .0001). BPSS-AS-P scores had good convergent validity, correlating with the General Behavior Inventory-10M (r = 0.65, p < .0001) and Young Mania Rating Scale; r = 0.48, p < .0001). The BPSS-AS-P had good discriminant validity, not being correlated with scales measuring positive and negative symptoms of psychotic disorders (p-values = 0.072-0.667).
LIMITATIONS Findings are limited by the cross-sectional nature of the study by the fact that the participants were all treatment-seeking. Future studies need to evaluate the predictive validity of the BPSS-AS-P for identifying those who develop BD in a community sample.
CONCLUSION BPSS-AS-P has promise as a screening tool for people at risk for BD. Adopting the BPSS-AS-P would support the goal of characterizing the prodrome systematically in order to facilitate research and clinical care.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Psychiatric University Hospital Zurich > Department of Child and Adolescent Psychiatry
Dewey Decimal Classification:610 Medicine & health
Scopus Subject Areas:Social Sciences & Humanities > Clinical Psychology
Health Sciences > Psychiatry and Mental Health
Language:English
Date:12 February 2019
Deposited On:20 Mar 2019 17:29
Last Modified:31 Aug 2024 03:31
Publisher:Elsevier
ISSN:0165-0327
OA Status:Closed
Publisher DOI:https://doi.org/10.1016/j.jad.2019.02.040
PubMed ID:30807937

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