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Lim, Shen-Yang; Dy Closas, Alfand Marl F.; Tan, Ai Huey; Lim, Jia Lun; Tan, Yi Jayne; Vijayanathan, Yuganthini; Tay, Yi Wen; Abdul Khalid, Raihanah binti; Ng, Wai Keong; Kanesalingam, Ruban; Martinez-Martin, Pablo; Ahmad Annuar, Azlina; Lit, Lei Cheng; Foo, Jia Nee; Lim, Weng Khong; Ng, Adeline Su Lyn; Tan, Eng-King
Parkinsonism & related disorders, March 2023, 2023-03-00, 20230301, Letnik: 108Journal Article
Progressive supranuclear palsy (PSP) is a rare, disabling, neurodegenerative disease, with few studies done in Asian populations. We prospectively characterized the clinical features and disease burden in a consecutively-recruited multi-ethnic Asian PSP cohort. Patients were extensively phenotyped using the Movement Disorder Society (MDS-PSP) clinical diagnostic criteria and the PSP-Clinical Deficits Scale (PSP-CDS). Caregiver burden was measured using the modified Zarit Burden Interview (ZBI). Investigations (neuroimaging and genetic tests) were reviewed. There were 104 patients (64.4% male; 67.3% Chinese, 21.2% Indians, 9.6% Malays), consisting of 48.1% Richardson syndrome (PSP-RS), 37.5% parkinsonian phenotype (PSP–P), and 10.6% progressive gait freezing phenotype (PSP-PGF). Mean age at motor onset was 66.3 ± 7.7 years, with no significant differences between the PSP phenotypes. Interestingly, REM-sleep behaviour disorder (RBD) symptoms and visual hallucinations (considered rare in PSP) were reported in 23.5% and 22.8% of patients, respectively, and a family history of possible neurodegenerative or movement disorder in 20.4%. PSP-CDS scores were highest (worst) in PSP-RS; and correlated moderately with disease duration (rs = 0.45, P < 0.001) and weakly with caregiver burden (rs = 0.22, P = 0.029) in the overall cohort. Three of 48 (6.3%) patients who had whole-exome sequencing harboured pathogenic/likely pathogenic GBA variants. Significant heterogeneity in clinical features and disease burden, and high rates of RBD symptoms, visual hallucinations, and familial involvement were observed in this relatively large cohort. Our findings highlight important considerations when assessing Asian patients, and provide further support for the notion of overlapping neurobiology between PSP and Lewy body disorders. •Asian PSP patients were prospectively classified using MDS-PSP diagnostic criteria.•A novel rating scale (PSP-CDS) was applied to evaluate disease severity.•PD-linked gene variants were found in well-defined Richardson syndrome cases.•Patients/caregivers frequently reported RBD symptoms and/or visual hallucinations.•There may be racial differences in disease occurrence and underlying genetics in PSP.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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