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. 2024 Nov 11;10(6):e203.
doi: 10.1192/bjo.2024.745.

Cognitive, adaptive and daily life functioning in adults with 22q11.2 deletion syndrome

Affiliations

Cognitive, adaptive and daily life functioning in adults with 22q11.2 deletion syndrome

Claudia Vingerhoets et al. BJPsych Open. .

Abstract

Background: 22q11.2 deletion syndrome (22q11.2DS) is associated with cognitive impairments and an increased risk of psychopathology. Most of the research has been conducted in children and adolescents, although the majority of affected individuals live well into adulthood. Hence, limited data are available on functional outcomes in adults.

Aims: To provide more insight in cognitive and adaptive abilities, and daily life functioning (marital status, living situation and work situation) in adults with 22q11.2DS.

Method: This retrospective study included 250 Dutch-speaking adults (16-69 years) with 22q11.2DS from three sites in The Netherlands and Belgium. Data on full-scale IQ (FSIQ) scores (assessed with the Wechsler Adult Intelligence Scale), adaptive functioning (assessed with the Vineland Adaptive Behavior Scale II), and functional outcomes including marital status, living and work situation were systematically collected from clinical files. In addition, we examined predictors of adaptive functioning.

Results: The majority of individuals in our adult sample demonstrated a low level of adaptive functioning (65%). In contrast to previous findings in children and adolescents, the majority functioned at an intellectual disability level (56%). Male sex, lower FSIQ and autism spectrum disorder were predictors of lower adaptive functioning (P = 0.016, P < 0.001 and P = 0.16, respectively).

Conclusions: These results suggest that low levels of cognitive and adaptive functioning are common in adults with 22q11.2DS. Future longitudinal and multicentre studies including older patients (>40 years) are needed to further investigate cognitive and adaptive trajectories and their interactions with physical and psychiatric comorbidities.

Keywords: 22q11.2DS; adaptive functioning; adults; cognition; daily life functioning.

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Conflict of interest statement

None.

Figures

Fig. 1
Fig. 1
Relationships of age with overall adaptive functioning (Vineland Adaptive Behaviour Scale), communication, daily living skills and socialisation. The black dotted line represents the mean standardised score within the norm population (average adaptive functioning).

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