Gait Parameters Change can be an Early Marker of Cognitive Impairment

Author:

Saini Mamta1,Subramanian Manicka S.2,Rao Abhijith R.3,Thakral Meenal1,Singh Vishwajeet1,Chakrawarty Avinash1,Chatterjee Prasun1,Dey Aparajit B.1

Affiliation:

1. Department of Geriatric Medicine, All India Institute of Medical Sciences (AIIMS), New Delhi, India

2. Consultant Geriatrician, Kauvery Hospital, Chennai

3. Fellow in Geriatric Oncology, Department of Medical Oncology, Tata Memorial Centre, Mumbai

Abstract

Background and Objective: Gait impairment leads to increased dependence, morbidity, institutionalization, and mortality in older people. We intended to assess gait parameters with the continuum of cognitive impairment and observe variation with the severity of cognitive impairment. Materials and Methods: This cross-sectional, observational study was conducted at the memory clinic of a tertiary care center. One hundred and twelve subjects were recruited, and cognition was assessed by the Clinical Dementia Rating scale. Usual gait was assessed by a 6-m walk test, and the dynamic gait was assessed using Biodex Gait Trainer. Apart from crude analysis, adjusted linear regression was used to find the association of spatiotemporal gait parameters with cognitive decline. Results: Subjects were divided into subjective cognitive decline (SCD; n = 38), mild cognitive impairment (MCI; n = 40), and major neurocognitive disorder (MNCD; n = 34) groups. History of falls (23.7% vs. 30.0% vs. 67.7%, P < 0.001) and impaired activities of daily living (ADLs) (5.3% vs. 15.0% vs. 100%, P < 0.001) were significantly higher with cognitive decline. Age- and gender-adjusted regression analysis revealed that usual gait speed (0.8 vs. 0.6 vs. 0.5, P < 0.001) (m/s), total time (3.9 vs. 2.9 vs. 2.6, P = 0.022) (min), total distance (65.6 vs. 55.8 vs. 46.6, P = 0.025) (m), step cycle time (0.6 vs. 0.8 vs. 0.8, P = 0.020) (cycles/s), and step lengths were significant. Conclusion: Gait speed and other parameters worsened with increasing cognitive impairment. Changes in gait parameters might be a useful marker of declining cognition, though a long-term follow-up study is required to establish this association. Early intervention could be beneficial in preserving autonomy in patients with cognitive impairment.

Publisher

Medknow

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