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Arch Gerontol Geriatr. 2015 Jul-Aug;61(1):8-13. doi: 10.1016/j.archger.2015.01.006. Epub 2015 Jan 13.

Handwriting and pre-frailty in the Lausanne cohort 65+ (Lc65+) study.

Author information

1
Department of Medicine (Neurology), University of Alberta, Edmonton, Alberta, Canada. Electronic address: rcamicio@ualberta.ca.
2
Institute of Social and Preventive Medicine (IUMSP), University Hospital Medical Centre, University of Lausanne, Lausanne, Switzerland.
3
Service of Geriatric Medicine and Rehabilitation, Department of Medicine, University of Lausanne Medical Centre (CHUV), University of Lausanne, Lausanne, Switzerland.
4
Service of Neurology, Department of Clinical Neurosciences, University of Lausanne Medical Centre (CHUV), Lausanne 1011, Switzerland; Leenaards Memory Centre - CHUV, Clinical Neurosciences Department, Vaud University Hospital, Lausanne, Switzerland.
5
Service of Neurology, Department of Clinical Neurosciences, University of Lausanne Medical Centre (CHUV), Lausanne 1011, Switzerland.
6
Service of Old Age Psychiatry, Department of Psychiatry, University of Lausanne Medical Centre (CHUV), University of Lausanne, Lausanne, Switzerland.

Abstract

BACKGROUND:

Frailty is detected by weight loss, weakness, slow walking velocity, reduced physical activity or poor endurance/exhaustion. Handwriting has not been examined in the context of frailty, despite its functional importance.

OBJECTIVE:

Our goal was to examine quantitative handwriting measures in people meeting 0, 1, and 2 or more (2+) frailty criteria. We also examined if handwriting parameters were associated with gait performance, weakness, poor endurance/exhaustion and cognitive impairment.

METHODS:

From the population-based Lc65+, 72 subjects meeting 2+ frailty criteria with complete handwriting samples were identified. Gender-matched controls meeting 1 criterion or no criteria were identified. Cognitive impairment was defined by a Mini-Mental State Examination score of 25 or less or the lowest 20th percentile of Trail Making Test Part B. Handwriting was recorded using a writing tablet and measures of velocity, pauses, and pressure were extracted.

RESULTS:

Subjects with 2+ criteria were older, had more health problems and need for assistance but had higher education. No handwriting parameter differed between frailty groups (age and education adjusted). Writing velocity was not significantly slower among participants from the slowest 20th percentile of gait velocity but writing pressure was significantly lower among those from the lowest 20th percentile of grip strength. Poor endurance/exhaustion was not associated with handwriting measures. Low cognitive performance was related to longer pauses.

CONCLUSIONS:

Handwriting parameters might be associated with specific aspects of the frailty phenotype, but not reliably with global definitions of frailty at its earliest stages among subjects able to perform handwriting tests.

KEYWORDS:

Brain aging; Cognitive aging; Frailty; Gait; Handwriting; Motor control

PMID:
25910643
DOI:
10.1016/j.archger.2015.01.006
[Indexed for MEDLINE]

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