Screening for bipolar disorders: a public health issue

Abstract Introduction Bipolar disorder (BD) is a public health issue; it is one of the leading causes of disability and its late diagnosis heightens the impact of the condition. Screening tools for early detection could be extremely useful. Methods Narrative review on screening of BD. Results Screen...

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Bibliographic Details
Published in:Journal of affective disorders 2016-11, Vol.205, p.139-143
Main Authors: Carta, MG, Angst, J
Format: Article
Language:English
Subjects:
Bipolar Disorder - diagnosis
Bipolar Disorder - psychology
Diagnostic and Statistical Manual of Mental Disorders
Humans
Mass Screening - methods
Psychiatry
Public Health
Surveys and Questionnaires - standards
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Summary:Abstract Introduction Bipolar disorder (BD) is a public health issue; it is one of the leading causes of disability and its late diagnosis heightens the impact of the condition. Screening tools for early detection could be extremely useful. Methods Narrative review on screening of BD. Results Screening questionnaires have high sensitivity but relatively low specificity if DSM diagnoses are taken as the “gold standard”. Critics maintain that an excess of false positives makes such tools unnecessary for identifying cases and of little use in screening studies consisting of two phases. However, “positive” screening was frequently homogeneous with BD in terms of gender, age, level of distress, low social functioning and employment rate, comorbidity with alcohol and substance abuse, heavy recourse to health care, use of mood stabilizers and antidepressants, risk of suicide attempts, and high recurrence of depressive episodes. While none of these components is pathognomonic of BD, their co-occurrence could identify subthreshold “cases”. The studies reviewed found positivity at screening to be associated with impaired quality of life, even without BD and independently of comorbidity. Patients with a neurological disease and positive at screening show homogenous brain lesions, different from those of patients screening negative. Conclusions The results are coherent with the hypothesis that positivity identifies a bipolar spectrum of clinical and public health interest, including sub-threshold bipolar cases, which do not fulfil the diagnostic criteria for BD.
ISSN:0165-0327
1573-2517
DOI:10.1016/j.jad.2016.03.072