The purpose of this study was to investigate the prevalence and clinical correlates of apathy and depression in Parkinson disease (PD), and to clarify whether apathy can be dissociated from depression. One hundred fifty patients with PD completed the Beck Depression Inventory Second Edition (BDI-II), Starkstein's Apathy Scale (AS), and a quality of life (QOL) battery. Hoehn and Yahr (HY) staging, the Unified Parkinson's Disease Rating Scale (UPDRS), and the Mini-Mental State Examination (MMSE) were performed on the same day. Apathy (AS score > or = 16) was diagnosed in 60% of patients and depression (BDI-II score > or = 14) in 56%. Apathy coexisted with depression in 43% of patients, compared with depression without apathy in 13% and apathy without depression in 17%. Apathy scale score was significantly correlated with UPDRS scores, HY stage, and age, whereas BDI-II score was correlated only with UPDRS scores. Both AS and BDI-II scores were negatively correlated with QOL. However, multiple regression analysis revealed that depression was strongly and negatively associated with emotional well-being and communication, whereas apathy was mainly associated with cognition and stigma. These findings suggest that apathy and depression may be separable in PD, although both are common in patients with PD and are associated with QOL.
Objective To investigate the prevalence and clinical correlates of anxiety and depression in patients with Parkinson's disease (PD) and to examine the relationship between anxiety and depression and the quality of life (QOL). Methods One hundred and seventeen patients with PD completed the State-Trait Anxiety Inventory (STAI), the Beck Depression Inventory Second Edition (BDI-II), Starkstein's Apathy Scale (AS) and QOL battery. Hoehn and Yahr (HY) staging, the Unified Parkinson's Disease Rating Scale (UPDRS) and the Mini-Mental State Examination (MMSE) were administered on the same day. Results Anxiety (STAI score ! 41 for men or ! 42 for women) was diagnosed in 55% of the patients and depression (BDI-II score ! 14) was diagnosed in 56% of the patients. Anxiety coexisted with depression in 41% of the patients, while depression without anxiety was observed in 15% of the patients and anxiety without depression was observed in 14% of the patients. The STAI score was found to be significantly correlated with the UPDRS (I, IVC) and AS scores, whereas the BDI-II score was found to correlate with the HY stage and the UPDRS (I, III, IVB, C) and AS scores. Both the STAI and BDI-II scores were found to negatively correlate with QOL. A multivariate analysis revealed that depression and anxiety are similarly associated with the PD specific QOL (PDQ-39), while motor severity, as judged by the HY stage and UPDRS III score, is not. Conclusion These findings indicate that recognizing anxiety and depression in patients with PD is important, since both conditions are commonly observed in patients with PD and are similarly associated with the QOL, independent of motor severity.
To compare brain perfusion between corticobasal degeneration (CBD) and progressive supranuclear palsy (PSP), we investigated regional cerebral blood flow (rCBF) semiquantitatively with single-photon emission computed tomography and [123I]iodoamphetamine in six patients with CBD and five with PSP. Compared with 12 age-matched control subjects, the average of the left and right rCBF values for the CBD patients was significantly reduced in the inferior prefrontal, anterior cingulate, medial premotor, sensorimotor, posterior parietal, and superior temporal cortices as well as in the basal ganglia and thalamus, whereas only the medial premotor cortex was significantly hypoperfused in the PSP patients. Compared with the PSP patients, the CBD patients showed significantly decreased rCBF in the inferior prefrontal, sensorimotor, and posterior parietal cortices, but not in the subcortical regions. Compared with the controls, interhemispheric differences of rCBF were significant in the inferior prefrontal, sensorimotor, and posterior parietal cortices of the CBD patients but in only the medial prefrontal cortex of the PSP patients. These results indicate that rCBF reductions are more extensive and asymmetric in CBD than in PSP, although the two diseases share medial frontal involvement.
Two middle‐aged patients with motor neuron disease showed common eye movement disorders and intellectual impairment in the later stage of the illness. Eye movement disorders were characterized by slow saccades and vertical glaze palsy, which seemed to be supranuclear ophthalmoplegia. Neuropathological examination of one patient revealed degeneration of the substantia nigra without pathological changes in the ocular motor nuclei, in addition to findings compatible with motor neuron disease. These cases appear to raise a possibility of a distinct group of multiple system degenerations.
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