Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2018
Does fatigue in Parkinson's disease correlate with autonomic nervous system dysfunction?
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Olivola Enrica, Brusa Livia, Rocchi Camilla, Schillaci Orazio, Liguori Claudio, Cerroni Rocco, Pierantozzi Mariangela, Chiaravalloti Agostino, Stefani Alessandro, Stocchi Fabrizio
Аннотация
BACKGROUND: Despite its negative impact on quality of life, fatigue in Parkinson's disease (PD) remains an under-recognized issue and the underlying pathology is undetermined.
OBJECTIVE: To contribute at understanding the pathogenesis of fatigue in a naturalistic cohort of cognitively intact PD patients.
METHODS: In a Caucasian population of PD patients (n = 27), we evaluated to what extent fatigue (quantified as PFS-16 score) is associated with PD duration and with autonomic dysfunction, studied by both MIBG scintigraphy and autonomic nervous system testing. The latter included the head-up tilt test, Valsalva maneuver, deep breathing, and handgrip tests.
RESULTS: PFS-16 score correlated with disease duration (R = 0.57, p = 0.002). Fatigue showed a clear correlation with deep breathing test (R = - 0.53, p = 0.004) but not with the MIBG H/M ratios.
CONCLUSIONS: Our data are consistent with a multifactorial pathogenesis of fatigue and with effects of dopamine depletion in PD-related fatigue; on the other hand, our findings do not support a role for sympathetic denervation in PD-related fatigue.
OBJECTIVE: To contribute at understanding the pathogenesis of fatigue in a naturalistic cohort of cognitively intact PD patients.
METHODS: In a Caucasian population of PD patients (n = 27), we evaluated to what extent fatigue (quantified as PFS-16 score) is associated with PD duration and with autonomic dysfunction, studied by both MIBG scintigraphy and autonomic nervous system testing. The latter included the head-up tilt test, Valsalva maneuver, deep breathing, and handgrip tests.
RESULTS: PFS-16 score correlated with disease duration (R = 0.57, p = 0.002). Fatigue showed a clear correlation with deep breathing test (R = - 0.53, p = 0.004) but not with the MIBG H/M ratios.
CONCLUSIONS: Our data are consistent with a multifactorial pathogenesis of fatigue and with effects of dopamine depletion in PD-related fatigue; on the other hand, our findings do not support a role for sympathetic denervation in PD-related fatigue.