Heterogeneity of prodromal Parkinson symptoms in siblings of Parkinson disease patients
Abstract A prodromal phase of Parkinson’s disease (PD) may precede motor manifestations by decades. PD patients’ siblings are at higher risk for PD, but the prevalence and distribution of prodromal symptoms are unknown. The study objectives were (1) to assess motor and non-motor features estimating...
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Nature Portfolio
2021
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oai:doaj.org-article:50d5c72d24a1497baac8cfec3845afc22021-12-02T17:19:18ZHeterogeneity of prodromal Parkinson symptoms in siblings of Parkinson disease patients10.1038/s41531-021-00219-12373-8057https://doaj.org/article/50d5c72d24a1497baac8cfec3845afc22021-09-01T00:00:00Zhttps://doi.org/10.1038/s41531-021-00219-1https://doaj.org/toc/2373-8057Abstract A prodromal phase of Parkinson’s disease (PD) may precede motor manifestations by decades. PD patients’ siblings are at higher risk for PD, but the prevalence and distribution of prodromal symptoms are unknown. The study objectives were (1) to assess motor and non-motor features estimating prodromal PD probability in PD siblings recruited within the European PROPAG-AGEING project; (2) to compare motor and non-motor symptoms to the well-established DeNoPa cohort. 340 PD siblings from three sites (Bologna, Seville, Kassel/Goettingen) underwent clinical and neurological evaluations of PD markers. The German part of the cohort was compared with German de novo PD patients (dnPDs) and healthy controls (CTRs) from DeNoPa. Fifteen (4.4%) siblings presented with subtle signs of motor impairment, with MDS-UPDRS-III scores not clinically different from CTRs. Symptoms of orthostatic hypotension were present in 47 siblings (13.8%), no different to CTRs (p = 0.072). No differences were found for olfaction and overall cognition; German-siblings performed worse than CTRs in visuospatial-executive and language tasks. 3/147 siblings had video-polysomnography-confirmed REM sleep behavior disorder (RBD), none was positive on the RBD Screening Questionnaire. 173/300 siblings had <1% probability of having prodromal PD; 100 between 1 and 10%, 26 siblings between 10 and 80%, one fulfilled the criteria for prodromal PD. According to the current analysis, we cannot confirm the increased risk of PD siblings for prodromal PD. Siblings showed a heterogeneous distribution of prodromal PD markers and probability. Additional parameters, including strong disease markers, should be investigated to verify if these results depend on validity and sensitivity of prodromal PD criteria, or if siblings’ risk is not elevated.Luca BaldelliSebastian SchadeSilvia JesúsSebastian R. SchreglmannLuisa SambatiPilar Gómez-GarreClaire HalsbandGiovanna Calandra-BuonauraAstrid Daniela Adarmes-GómezFriederike Sixel-DöringCorrado ZenesiniChiara PirazziniPaolo GaragnaniMaria Giulia BacaliniKailash P. BhatiaPietro CortelliBrit MollenhauerClaudio FranceschiPROPAG-AGEING consortiumPablo MirClaudia TrenkwalderFederica ProviniNature PortfolioarticleNeurology. Diseases of the nervous systemRC346-429ENnpj Parkinson's Disease, Vol 7, Iss 1, Pp 1-10 (2021) |
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Neurology. Diseases of the nervous system RC346-429 |
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Neurology. Diseases of the nervous system RC346-429 Luca Baldelli Sebastian Schade Silvia Jesús Sebastian R. Schreglmann Luisa Sambati Pilar Gómez-Garre Claire Halsband Giovanna Calandra-Buonaura Astrid Daniela Adarmes-Gómez Friederike Sixel-Döring Corrado Zenesini Chiara Pirazzini Paolo Garagnani Maria Giulia Bacalini Kailash P. Bhatia Pietro Cortelli Brit Mollenhauer Claudio Franceschi PROPAG-AGEING consortium Pablo Mir Claudia Trenkwalder Federica Provini Heterogeneity of prodromal Parkinson symptoms in siblings of Parkinson disease patients |
| description |
Abstract A prodromal phase of Parkinson’s disease (PD) may precede motor manifestations by decades. PD patients’ siblings are at higher risk for PD, but the prevalence and distribution of prodromal symptoms are unknown. The study objectives were (1) to assess motor and non-motor features estimating prodromal PD probability in PD siblings recruited within the European PROPAG-AGEING project; (2) to compare motor and non-motor symptoms to the well-established DeNoPa cohort. 340 PD siblings from three sites (Bologna, Seville, Kassel/Goettingen) underwent clinical and neurological evaluations of PD markers. The German part of the cohort was compared with German de novo PD patients (dnPDs) and healthy controls (CTRs) from DeNoPa. Fifteen (4.4%) siblings presented with subtle signs of motor impairment, with MDS-UPDRS-III scores not clinically different from CTRs. Symptoms of orthostatic hypotension were present in 47 siblings (13.8%), no different to CTRs (p = 0.072). No differences were found for olfaction and overall cognition; German-siblings performed worse than CTRs in visuospatial-executive and language tasks. 3/147 siblings had video-polysomnography-confirmed REM sleep behavior disorder (RBD), none was positive on the RBD Screening Questionnaire. 173/300 siblings had <1% probability of having prodromal PD; 100 between 1 and 10%, 26 siblings between 10 and 80%, one fulfilled the criteria for prodromal PD. According to the current analysis, we cannot confirm the increased risk of PD siblings for prodromal PD. Siblings showed a heterogeneous distribution of prodromal PD markers and probability. Additional parameters, including strong disease markers, should be investigated to verify if these results depend on validity and sensitivity of prodromal PD criteria, or if siblings’ risk is not elevated. |
| format |
article |
| author |
Luca Baldelli Sebastian Schade Silvia Jesús Sebastian R. Schreglmann Luisa Sambati Pilar Gómez-Garre Claire Halsband Giovanna Calandra-Buonaura Astrid Daniela Adarmes-Gómez Friederike Sixel-Döring Corrado Zenesini Chiara Pirazzini Paolo Garagnani Maria Giulia Bacalini Kailash P. Bhatia Pietro Cortelli Brit Mollenhauer Claudio Franceschi PROPAG-AGEING consortium Pablo Mir Claudia Trenkwalder Federica Provini |
| author_facet |
Luca Baldelli Sebastian Schade Silvia Jesús Sebastian R. Schreglmann Luisa Sambati Pilar Gómez-Garre Claire Halsband Giovanna Calandra-Buonaura Astrid Daniela Adarmes-Gómez Friederike Sixel-Döring Corrado Zenesini Chiara Pirazzini Paolo Garagnani Maria Giulia Bacalini Kailash P. Bhatia Pietro Cortelli Brit Mollenhauer Claudio Franceschi PROPAG-AGEING consortium Pablo Mir Claudia Trenkwalder Federica Provini |
| author_sort |
Luca Baldelli |
| title |
Heterogeneity of prodromal Parkinson symptoms in siblings of Parkinson disease patients |
| title_short |
Heterogeneity of prodromal Parkinson symptoms in siblings of Parkinson disease patients |
| title_full |
Heterogeneity of prodromal Parkinson symptoms in siblings of Parkinson disease patients |
| title_fullStr |
Heterogeneity of prodromal Parkinson symptoms in siblings of Parkinson disease patients |
| title_full_unstemmed |
Heterogeneity of prodromal Parkinson symptoms in siblings of Parkinson disease patients |
| title_sort |
heterogeneity of prodromal parkinson symptoms in siblings of parkinson disease patients |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/50d5c72d24a1497baac8cfec3845afc2 |
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