Journal of neurology · 2022
Reclassification of patients with tremor syndrome and comparisons of essential tremor and essential tremor-plus patients.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод в очереди
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Peng Jiaxin, Li Nannan, Li Junying, Duan Liren, Chen Chaolan, Zeng Yan, Xi Jing, Jiang Yi, Peng Rong
Аннотация
BACKGROUND: The new essential tremor (ET)-plus nomenclature was proposed by the 2018 Tremor Consensus Criteria. However, few studies have adopted this usage and the clinical differences between ET and ET-plus remains unclear. To address this issue, we reclassified and compared the characteristics of ET and ET-plus patients in a large Chinese tremor cohort.
METHODS: In this cross-sectional observational study, 766 patients originally diagnosed with ET underwent neurological examination. Scale ratings were used to evaluate motor and non-motor symptoms, and quality of life (QoL). We then reclassified the ET cohort and compared demographic and clinical characteristics between ET and ET-plus patients. A logistic regression analysis was used to explore whether the presence of neurological soft signs in ET-plus was associated with tremor severity or QoL.
RESULTS: Among 665 clinically confirmed ET syndrome patients, 274 were ET and 391 were ET-plus. The most prevalent neurological soft sign was resting tremor. ET-plus patients were older, had older age at onset and longer disease duration. ET-plus patients recorded higher scores in tremor severity evaluations and lower in cognitive evaluations, whereas a higher proportion of patients presented with depression or anxiety symptoms. Resting tremor and questionable cerebellar signs were associated with tremor severity. Cognitive impairment was associated with worse QoL.
CONCLUSIONS: ET-plus patients were older, had longer disease durations, worse tremor manifestations, and more distinct non-motor symptoms. Certain additional soft signs of ET-plus were associated with tremor severity or worse QoL. ET-plus patients may include advanced ET patients with additional neurological soft signs presenting along with disease progression.
METHODS: In this cross-sectional observational study, 766 patients originally diagnosed with ET underwent neurological examination. Scale ratings were used to evaluate motor and non-motor symptoms, and quality of life (QoL). We then reclassified the ET cohort and compared demographic and clinical characteristics between ET and ET-plus patients. A logistic regression analysis was used to explore whether the presence of neurological soft signs in ET-plus was associated with tremor severity or QoL.
RESULTS: Among 665 clinically confirmed ET syndrome patients, 274 were ET and 391 were ET-plus. The most prevalent neurological soft sign was resting tremor. ET-plus patients were older, had older age at onset and longer disease duration. ET-plus patients recorded higher scores in tremor severity evaluations and lower in cognitive evaluations, whereas a higher proportion of patients presented with depression or anxiety symptoms. Resting tremor and questionable cerebellar signs were associated with tremor severity. Cognitive impairment was associated with worse QoL.
CONCLUSIONS: ET-plus patients were older, had longer disease durations, worse tremor manifestations, and more distinct non-motor symptoms. Certain additional soft signs of ET-plus were associated with tremor severity or worse QoL. ET-plus patients may include advanced ET patients with additional neurological soft signs presenting along with disease progression.