Prodromal symptoms in adolescents with 22q11.2 deletion syndrome and schizotypal personality disorder.
Prodromal symptoms in adolescents with 22q11.2 deletion syndrome and schizotypal personality disorder.
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DOI：
10.1016/j.schres.2011.03.030
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发表时间：
2011-06
影响因子：
4.5
通讯作者：
Walker, E. F.
中科院分区：
文献类型：
--
作者：
Shapiro, D. I.;Cubells, J. F.;Ousley, O. Y.;Rockers, K.;Walker, E. F.
关键词：
Adolescents with 22q11.2 Deletion Syndrome (22q11.2DS) and Schizotypal Personality Disorder (SPD) are at increased risk for the development of psychosis based, respectively, on genetic or behavioral factors. Thus both groups would be expected to manifest heightened rates of the prodromal signs that typically precede psychosis. Although there are now standardized procedures for assessing prodromal symptoms, there has been little research on the manifestation of these symptoms in 22q11.2DS patients, and no studies of differences in prodromal symptom patterns between genetically and behaviorally defined at-risk groups. In this study, demographically-matched groups of 23 SPD, 23 22q11.2DS, and 23 control participants were administered the Structured Interview for Prodromal Syndromes (SIPS). Both risk groups showed elevated positive, negative, disorganized, and general prodromal symptoms, as well as elevations on 10 of the same individual symptom items, relative to the control group. Approximately 60% of individuals in the 22q11.2DS group and 70% of individuals in the SPD group met symptom criteria for a prodromal psychosis syndrome. The 22q11.2DS group scored significantly higher than the SPD group on the “decreased ideational richness” item and showed a trend toward greater motor abnormalities. The results suggest that these two high-risk groups are similar in prodromal symptom presentation, possibly as a result of overlapping causal mechanisms, and that standardized measures of prodromal syndromes like the SIPS can be used to identify 22q11.2DS patients at greatest risk for conversion to psychosis.
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