Cri du Chat syndrome: Characteristics of 73 Brazilian patients

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art_HONJO_Cri_du_Chat_syndrome_Characteristics_of_73_Brazilian_2018.PDF (163.13 KB)
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13
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article
Data de publicação
2018
Editora
WILEY
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Scopus
Web of Science
PubMed
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Título do Volume
Autores
MELLO, C. B.
NUNES-VACA, E. C.
BENEDETTO, L. M.
KHOURY, R. B. F.
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Citação
JOURNAL OF INTELLECTUAL DISABILITY RESEARCH, v.62, n.6, p.467-473, 2018
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BackgroundCri du Chat syndrome (CdCS) is a genetic syndrome caused by deletions in the short arm of chromosome 5. Although the main clinical features of CdCS are well known, the neurocognitive and behavioural characteristics of the phenotype are rarely described in detail in the literature. In this study, we analysed the main phenotypic features of CdCS from a parental perspective. MethodA questionnaire was sent to 700 Brazilian families that were registered in the Brazilian Association of CdCS. The questions involved specific domains of CdCS, such as pregnancy and birth conditions, recurrence of the disease in the family, current major health problems, and aspects of cognitive development. ResultsIn total, 73 questionnaires were completed: 44 females and 29 males, ranging from 9.5months old to 40years old (mean=13.8 years; median=12 years). Most of the parents noticed the typical cat-like cry at birth (94.4%). The age at diagnosis of CdCS ranged from the time of birth to 180months (mean=14months; median=6months), while one case was diagnosed during pregnancy. In all of the cases, the diagnosis of CdCS was made by G-banding karyotype analysis. In 66.2% of the cases, the parents underwent cytogenetic investigation. A total of 52.1% of the parents answered that they did not remember what the recurrence risk of CdCS was in their family. The main health problems that were reported were as follows: swallowing problems (80.3%), feeding problems (80.3%), congenital heart disease (31.5%), spine abnormalities (28.8%), and neurological symptoms (20.5%), including seizures (11%). The behavioural problems that were reported were as follows: aggressive behaviour, stereotypies, anxiety, phobias, and genital manipulation/masturbation. Neurodevelopmental delay was reported in all of the cases. Independent walking was achieved in 72.2% of the patients. Approximately 50% of the patients never presented expressive language, and most of the patients are dependent on others for their daily activities. ConclusionsThe questionnaire was a pioneer initiative in the CdCS support group, and the answers used in this study can improve the health care assistance to these patients because they focus attention on the demands from a parental perspective. In addition, nearly half of the families stated that they did not remember information regarding recurrence risk, which reinforces the importance of genetic counselling follow-up and the need for the expansion of genetic services in Brazil
Palavras-chave
chromosomal, Cri du Chat syndrome, genetics, parental, questionnaire
URI
https://observatorio.fm.usp.br/handle/OPI/26934
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MFT
Artigos e Materiais de Revistas Científicas - FM/MNE
Artigos e Materiais de Revistas Científicas - HC/ICr
Artigos e Materiais de Revistas Científicas - LIM/03
Artigos e Materiais de Revistas Científicas - LIM/34
Artigos e Materiais de Revistas Científicas - LIM/36
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