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Título
Clinical usefulness of the screen for cognitive impairment in psychiatry (SCIP-S) scale in patients with type I bipolar disorder
Autor(es)
Fecha de publicación
2009
Resumen
[EN] Background: The relevance of persistent cognitive deficits to the pathogenesis and prognosis of
bipolar disorders (BD) is understudied, and its translation into clinical practice has been limited by
the absence of brief methods assessing cognitive status in Psychiatry. This investigation assessed the
psychometric properties of the Spanish version of the Screen for Cognitive Impairment in
Psychiatry (SCIP-S) for the detection of cognitive impairment in BD.
Methods: After short training, psychiatrists at 40 outpatient clinics administered the SCIP three
times over two weeks to a total of 76 consecutive type I BD admissions. Experienced psychologists
also administered a comprehensive battery of standard neuropsychological instruments to clinical
sample and 45 healthy control subjects.
Results: Feasibility was supported by a brief administration time (approximately 15 minutes) and
minimal scoring errors. The reliability of the SCIP was confirmed by good equivalence of forms,
acceptable stability (ICC range 0.59 to 0.87) and adequate internal consistency (Chronbach's alpha
of 0.74). Construct validity was granted by extraction of a single factor (accounting 52% of the
variance), acceptable correlations with conventional neuropsychological instruments, and a clear differentiation between bipolar I and normal samples. Efficiency was also provided by the adequate
sensitivity and specificity.
Limitations: The sample size is not very large. The SCIP and the neurocognitive battery do not
cover all potentially relevant cognitive domains. Also, sensitivity to change remains unexplored.
Conclusion: With minimal training, physicians obtained a reliable and valid estimate of cognitive
impairment in approximately 15 minutes from an application of the SCIP to type I BD patients.
URI
DOI
10.1186/1477-7525-7-28
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