Brain sciences · 2024
Neuropsychiatric Manifestations of Degenerative Cerebellar Ataxia.
СтатьяНазвание и аннотация: Перевод в очереди
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Tamaš Olivera, Kostić Milutin, Marić Gorica, Milovanović Andona, Janković Mladen, Salak Ðokić Biljana, Pekmezović Tatjana, Dragašević-Mišković Nataša
Аннотация
BACKGROUND/OBJECTIVES: Degenerative cerebellar ataxias (DCA) present a group of complex neurological disorders primarily affecting the cerebellum and its pathways. Classic manifestations include motor symptoms of cerebellar ataxia. However, emerging evidence suggests that the cerebellum also plays a crucial role in various cognitive and emotional processes. The objective was to assess the psychiatric profile of a heterogeneous group of patients with degenerative cerebellar ataxia.
METHODS: Our sample comprised 107 participants diagnosed with cerebellar degenerative ataxia. All patients were clinically evaluated using SARA, INAS, and different neuropsychiatric scales (ACE-R, HAMA, HAMD, AS, and GAF).
RESULTS: The majority of patients had autosomal dominant ataxia (38.3%) followed by sporadic ataxia (32.7%) with an average age at the moment of diagnosis of 35.3 ± 16.23 years, while the mean duration of disease at the study beginning was 12.1 ± 9.9 years. Psychiatric disorders were present in 40 patients (37.4%), with dysthymia (14.2%), major depressive disorder (9.4%), and MDD with melancholic features (7.6%). The presence of MDD with melancholic features was statistically significantly correlated with a lower ACE-R total score (r = -0.223; p = 0.022), while dysthymia was statistically significantly associated with a shorter duration of the disease (r = -0.226; p = 0.020) and older age (r = 0.197; p = 0.043). Statistically significant differences were observed between MSA-C patients and those with sporadic ataxia (HDRS p < 0.001, HARS p < 0.001, Apathy Scale p = 0.003, and GAF p = 0.004).
CONCLUSIONS: Based on our findings, we can conclude that the degree of motor deficit has a significant impact on the development of psychiatric disorders, including depression, anxiety, and apathy. However, it is not the only factor, and the impact also depends on the type of DCA.
METHODS: Our sample comprised 107 participants diagnosed with cerebellar degenerative ataxia. All patients were clinically evaluated using SARA, INAS, and different neuropsychiatric scales (ACE-R, HAMA, HAMD, AS, and GAF).
RESULTS: The majority of patients had autosomal dominant ataxia (38.3%) followed by sporadic ataxia (32.7%) with an average age at the moment of diagnosis of 35.3 ± 16.23 years, while the mean duration of disease at the study beginning was 12.1 ± 9.9 years. Psychiatric disorders were present in 40 patients (37.4%), with dysthymia (14.2%), major depressive disorder (9.4%), and MDD with melancholic features (7.6%). The presence of MDD with melancholic features was statistically significantly correlated with a lower ACE-R total score (r = -0.223; p = 0.022), while dysthymia was statistically significantly associated with a shorter duration of the disease (r = -0.226; p = 0.020) and older age (r = 0.197; p = 0.043). Statistically significant differences were observed between MSA-C patients and those with sporadic ataxia (HDRS p < 0.001, HARS p < 0.001, Apathy Scale p = 0.003, and GAF p = 0.004).
CONCLUSIONS: Based on our findings, we can conclude that the degree of motor deficit has a significant impact on the development of psychiatric disorders, including depression, anxiety, and apathy. However, it is not the only factor, and the impact also depends on the type of DCA.