Can fatigue predict walking capacity of patients with Parkinson's disease?

Abstract:

:Although fatigue is an expressive symptom of Parkinson's disease (PD), few studies have investigated the association between fatigue, mobility and walking capacity of these patients. OBJECTIVE:To investigate whether fatigue is an independent factor associated with mobility and the walking capacity in patients with PD. METHODS:Forty-eight patients with PD (22 with fatigue) were tested for mobility and their walking capacity: Timed Up and Go (TUG), 10-Meter Walk Test (10MWT) at usual and fastest speed, and 6-Minute Walk Test (6MWT). Fatigue was measured with Parkinson's Fatigue Scale (PFS-16). Linear regression analysis was used to investigate if fatigue is an independent factor contributing to variance in mobility and walking capacity. RESULTS:There was a positive correlation between PFS-16 and TUG (rs=0.385; p=0.007). There was a negative correlation between PFS-16 and 10MWT at comfortable (r=-0.385; p=0.007) and fast speeds (r=-0.396; p=0.005), and 6MWT (r=-0.472; p=0.001). Linear regression analysis revealed that fatigue did not explain the variance of TUG and 10MWT. PFS-16, age and section III of UPDRS explained 49.6% (adjusted R2; p<0.001) variance in the 6MWT, and fatigue was the most significant predictor (F=-32.1; p=0.022). CONCLUSIONS:Fatigue is an independent factor contributing to the distance covered during 6MWT in patients with PD. Our results highlight the importance of recognition and management of this symptom.

journal_name

Arq Neuropsiquiatr

authors

Carvalho DV,Santos RMS,Magalhães HC,Souza MS,Christo PP,Almeida-Leite CM,Scalzo PL

doi

10.1590/0004-282X20190136

subject

Has Abstract

pub_date

2020-02-01 00:00:00

pages

70-75

issue

2

eissn

0004-282X

issn

1678-4227

pii

S0004-282X2020000200070

journal_volume

78

pub_type

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