期刊
AMERICAN JOURNAL OF MEDICAL GENETICS PART A
卷 146A, 期 16, 页码 2060-2069出版社
WILEY
DOI: 10.1002/ajmg.a.32439
关键词
fragile X syndrome; co-occuring conditions
资金
- Centers for Disease Control and Prevention (CDC)
- Association for Prevention Teaching and Research (APTR) [U50/CCU300860, TS-1380]
Parents enrolling in a national survey of families of children with fragile X (FX) reported whether each of their children had been diagnosed or treated for developmental delay or eight conditions frequently associated with FX: attention problems, hyperactivity, aggressiveness, self-injury, autism seizures, anxiety, or depression. This article reports results for 976 full mutation males, 259 full mutation females. 57 premutation males, and 199 premutation females. Co-occuring conditions were frequently reported for all FMR1 gene variations. The number of co-occurring conditions experienced was strongly associated with parent reports of their child's ability to learn, adaptability, and quality of life. Most individuals with the full mutation experienced multiple co-occuring conditions, with a modal number of 4 for males and 2 for females. Most (>80%) full mutation males and females had been diagnosed or treated for attention problems. Premutation males, when compared with a matched group of non-FX males, were more likely to have been diagnosed or treated for developmental delay, attention problems, aggression. seizures, autism, and anxiety. Premutation females were more likely to have been diagnosed or treated for attention problems, anxiety, depression, and developmental delay. Clusters of conditions were identified, seeming to occur in an additive fashion. Self-injury autism, and seizures rarely occured in isolation, but were more likely in individuals who also had problems with attention, anxiety, and hyperactivity. The findings provide a reference point for future studies on the prevalence and nature of co-occurring conditions in FX; suggest the possibility that certain conditions cluster together; provide evidence that male and female carriers experience elevated rates of co-occuring conditions compared with matched groups of non-carrier children: and emphasize the importance of including an assessment of co-occuring conditions in any clinical evaluation of individuals with abnormal variation in the FMR1 gene. (C) 2008 Wiley-Liss, Inc.
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