Clinical symptoms of psychotic episodes and 25-hydroxy vitamin D serum levels in black first-generation immigrants.

Abstract:

OBJECTIVE:Dark-skinned immigrants have a higher risk for schizophrenia and other psychoses than other immigrants. The first British studies reported that first-generation immigrants (FGIs) from the Caribbean presented atypical psychoses. This study examines the characteristics of psychotic episodes in black FGIs to Canada. METHOD:The charts of 18 FGIs from Africa and Haiti, extracted from a series of 20 black patients consecutively admitted to Psychiatry, were retrospectively reviewed regarding clinical features, diagnoses and vitamin D levels. RESULTS:Young FGIs presented acute psychotic episodes with abrupt onset, florid positive symptoms, few negative symptoms and good evolution. The onset was more insidious in older FGIs. Overall, catatonia was very frequent (28%), and mood symptoms still more frequent (44%). No cognitive decline was observed during follow-up. Serum levels of 25-hydroxy vitamin D were in the insufficiency range. Supplementation at 1000 IU/day did not restore normal levels. CONCLUSION:The clinical features of psychotic episodes in black FGIs are similar to those reported in dark-skinned FGIs to other countries. They are also observed in other immigrants and in non-immigrants. These atypical psychoses are possibly related to a recent vitamin D deficit. This hypothesis should be tested by clinical trials of sufficient vitamin D supplementation.

journal_name

Acta Psychiatr Scand

authors

Dealberto MJ

doi

10.1111/acps.12086

subject

Has Abstract

pub_date

2013-12-01 00:00:00

pages

475-87

issue

6

eissn

0001-690X

issn

1600-0447

journal_volume

128

pub_type

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