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1.
Parkinsonism Relat Disord ; 80: 54-57, 2020 11.
Article in English | MEDLINE | ID: mdl-32956974

ABSTRACT

BACKGROUND: The frequency of Huntington's disease (HD) may vary considerably, with higher estimates in non Asian populations. In Italy, two recent studies performed in Ferrara county and Molise provided different prevalence estimates, varying from 4.2 × 105 to 10.8 × 105. Here we present a study performed in the Southern part of Sardinia, a large Italian mediterranean island that is considered a genetic isolate. METHODS: The study area included the two neighbouring counties of South Sardinia and Cagliari with 353,830 and 431,955 inhabitants respectively on December 31st, 2017 (prevalence date). Case-patients were ascertained through multiple sources in Sardinia and Italy. RESULTS: We identified 54 individuals with HD, of whom 47 were alive on prevalence date. The resulting prevalence rate was 5.98 × 105 in the overall study area, however with marked variations between South Sardinia and Cagliari (9.6 × 105 vs. 3.0 × 105, p = 0.02). In the two study areas, we found similar CAG repeat length in normal alleles (17.5 ± 2.1 vs. 17.7 ± 2.2, p = 0.5). CONCLUSIONS: The overall prevalence of HD in Sardinia is close to the correspondent estimates in Europeans. Our findings also highlighted the possibility of local microgeographic variations in the epidemiology of HD.


Subject(s)
Huntington Disease/epidemiology , Adult , Aged , Female , Humans , Italy/epidemiology , Male , Mediterranean Islands/epidemiology , Middle Aged , Prevalence
2.
Neurol Sci ; 34(5): 683-7, 2013 May.
Article in English | MEDLINE | ID: mdl-22678179

ABSTRACT

The Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS) has been available in English since 2008. As part of this process, the MDS-UPDRS organizing team developed guidelines for development of official non-English translations. We present here the formal process for completing officially approved non-English versions of the MDS-UPDRS and specifically focus on the first of these versions in Italian. The MDS-UPDRS was translated into Italian and tested in 377 native-Italian speaking PD patients. Confirmatory and exploratory factor analyses determined whether the factor structure for the English-language MDS-UPDRS could be confirmed in data collected using the Italian translation. To be designated an 'Official MDS translation,' the Comparative Fit Index (CFI) had to be ≥0.90 relative to the English-language version. For all four parts of the Italian MDS-UPDRS, the CFI, in comparison with the English-language data, was ≥0.94. Exploratory factor analyses revealed some differences between the two datasets, however these differences were considered to be within an acceptable range. The Italian version of the MDS-UPDRS reaches the criterion to be designated as an Official Translation and is now available for use. This protocol will serve as outline for further validation of this in multiple languages.


Subject(s)
Movement Disorders , Neurologic Examination/methods , Neurologic Examination/standards , Parkinson Disease/diagnosis , Societies, Medical/standards , Disability Evaluation , Factor Analysis, Statistical , Female , Humans , Italy , Male , Neuropsychological Tests , Reproducibility of Results , Severity of Illness Index , Translations
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