Исполнительная дисфункция и инвалидность в СМПС: прогнозируемая ценность лобовой аккумуляторной батареи в коорте UCLH MS-STAT2.
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Wade Charles, Doshi Anisha, Mangion Sean Apap, Williams Tom, Bianchi Alessia, De Angelis Floriana, Wright Sarah, John Nevin, Calvi Alberto, Braisher Marie, Blackstone James, Nicholas Jennifer, Chataway Jeremy, UCL MS‐STAT2 Investigators
Аннотация
Оригинал публикации
Executive Dysfunction and Disability in SPMS: Predictive Value of the Frontal Assessment Battery in the UCLH MS-STAT2 Cohort.
INTRODUCTION: Cognitive impairment is common in secondary progressive multiple sclerosis (SPMS), with executive dysfunction disproportionately so. The frontal assessment battery (FAB) is a bedside test assessing executive function. This study explores the distribution of FAB scores in a large SPMS cohort and their associations with disability.
METHODS: Data were analysed from 294 participants in a cognitive substudy of the MS-STAT2 trial (NCT03387670). Associations between baseline FAB scores, ambulation status (Expanded Disability Status Scale [EDSS] < 6.0 vs. ≥ 6.0) and other disability measures were assessed using generalised linear models, adjusting for age, education, gender and disease duration. FAB performance was also compared against other cognitive tests (SDMT, CVLT-II, BVMT-R).
RESULTS: 23.8% of participants scored the FAB maximum of 18; 29.9% scored below the clinical threshold of 16. FAB scores showed moderate correlations with SDMT (ρ = 0.46), CVLT-II (ρ = 0.36) and BVMT-R (ρ = 0.43), and participants scoring < 16 were significantly more likely to be impaired across these cognitive domains (p < 0.001). Lower baseline FAB scores were significantly associated with higher EDSS, slower T25FW and reduced manual dexterity (9HPT) (all p < 0.005) at baseline and longitudinally, with performance comparable to other validated cognitive tests.
CONCLUSIONS: We present a large cohort of FAB scores in the SPMS population. Lower FAB scores are associated with both concurrent and future disability and may offer a scalable tool for identifying individuals at greater risk of progression and a robust trial outcome measure.