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Variations of stereotypies in individuals with Rett syndrome: A nationwide cross-sectional study in Taiwan / Lee CHIN WONG in Autism Research, 10-7 (July 2017)
[article]
Titre : Variations of stereotypies in individuals with Rett syndrome: A nationwide cross-sectional study in Taiwan Type de document : Texte imprimé et/ou numérique Auteurs : Lee CHIN WONG, Auteur ; Pi-Lien HUNG, Auteur ; Tz-Yun JAN, Auteur ; Wang-Tso LEE, Auteur ; Association TAIWAN RETT SYNDROME, Auteur Article en page(s) : p.1204-1214 Langues : Anglais (eng) Mots-clés : stereotypies Rett syndrome MECP2 CDKL5 movement disorders Index. décimale : PER Périodiques Résumé : Individuals with Rett syndrome (RTT) can have variable manifestations of stereotypies. In this nation-wide cross-sectional study, we recruited all individuals with RTT in Taiwan diagnosed as RTT by neurologists based on genetic findings and diagnostic criteria. The data were collected using questionnaire. A total 43 cases of typical RTT and 15 cases of atypical RTT, aged from 2.1 to 40.1 years, were enrolled. They included 3 (5.2%) in stage II, 42 (72.4%) in stage III, and 13 (22.4%) in stage IV. All individuals presented with at least one stereotypy. Individuals with atypical RTT had more varied stereotypies (mean: 14?±?6) compared to those with typical RTT (mean: 9?±?5) (P?=?0.003). Flapping (73.3%) and wringing (58.1%) were the most common hand stereotypies in atypical and typical RTT, respectively. Compared with typical RTT, hair pulling, bruxism, retropulsion, and protrusion of lips were more common in atypical RTT (P?=?0.003, P?=?0.006, P?=?0.003 and <0.001, respectively). The number of stereotypies did not differ among different stages, clinical severities, and hand functions. Although there were no age-related changes in stereotypies in atypical RTT, flapping (P?=?0.012), clapping (P?=?0.044), and mouthing with single hand (P?=?0.009) were significantly more prevalent in individuals aged <10 years with typical RTT, and they decreased after 10 years. In conclusion, our study showed that the stereotypical movements varied in typical and atypical RTT, implying the heterogeneous nature of the disease and the pathogenic mechanisms of RTT with atypical features. En ligne : http://dx.doi.org/10.1002/aur.1774 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=309
in Autism Research > 10-7 (July 2017) . - p.1204-1214[article] Variations of stereotypies in individuals with Rett syndrome: A nationwide cross-sectional study in Taiwan [Texte imprimé et/ou numérique] / Lee CHIN WONG, Auteur ; Pi-Lien HUNG, Auteur ; Tz-Yun JAN, Auteur ; Wang-Tso LEE, Auteur ; Association TAIWAN RETT SYNDROME, Auteur . - p.1204-1214.
Langues : Anglais (eng)
in Autism Research > 10-7 (July 2017) . - p.1204-1214
Mots-clés : stereotypies Rett syndrome MECP2 CDKL5 movement disorders Index. décimale : PER Périodiques Résumé : Individuals with Rett syndrome (RTT) can have variable manifestations of stereotypies. In this nation-wide cross-sectional study, we recruited all individuals with RTT in Taiwan diagnosed as RTT by neurologists based on genetic findings and diagnostic criteria. The data were collected using questionnaire. A total 43 cases of typical RTT and 15 cases of atypical RTT, aged from 2.1 to 40.1 years, were enrolled. They included 3 (5.2%) in stage II, 42 (72.4%) in stage III, and 13 (22.4%) in stage IV. All individuals presented with at least one stereotypy. Individuals with atypical RTT had more varied stereotypies (mean: 14?±?6) compared to those with typical RTT (mean: 9?±?5) (P?=?0.003). Flapping (73.3%) and wringing (58.1%) were the most common hand stereotypies in atypical and typical RTT, respectively. Compared with typical RTT, hair pulling, bruxism, retropulsion, and protrusion of lips were more common in atypical RTT (P?=?0.003, P?=?0.006, P?=?0.003 and <0.001, respectively). The number of stereotypies did not differ among different stages, clinical severities, and hand functions. Although there were no age-related changes in stereotypies in atypical RTT, flapping (P?=?0.012), clapping (P?=?0.044), and mouthing with single hand (P?=?0.009) were significantly more prevalent in individuals aged <10 years with typical RTT, and they decreased after 10 years. In conclusion, our study showed that the stereotypical movements varied in typical and atypical RTT, implying the heterogeneous nature of the disease and the pathogenic mechanisms of RTT with atypical features. En ligne : http://dx.doi.org/10.1002/aur.1774 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=309