The Physiological Profile Assessment: Clinical validity of the postural sway measure and comparison of impairments by age |
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| Authors: | MB Liston M Pavlou A Hopper M Kinirons FC Martin |
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| Institution: | 1. Centre of Human and Aerospace Physiological Sciences, School of Biomedical Sciences, King''s College London, London, UK;2. Department of Elderly Care Medicine, Guys and St Thomas’ NHS Foundation Trust, London, UK;1. Department of Medicine, Monash University, Clayton, VIC 3800, Australia;2. Centre for Translational Neuroscience and Mental Health, Newcastle, NSW, Australia;3. Department of Optometry and Vision Sciences, University of Melbourne, Parkville, VIC, Australia;1. Department of Physical Therapy and Assistive Technology, National Yang-Ming University, Taipei, 11221, Taiwan;2. Institute of Long-term Care, Mackay Medical College, New Taipei City, 25245, Taiwan;3. School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, Taipei, 10055, Taiwan;4. Department of Physical Therapy, I-Shou University, Kaohsiung, 82445, Taiwan;1. Institute of Archaeology, Russian Academy of Sciences, Dm. Ulyanova 19, Moscow, 117036, Russia Laboratory for Multidisciplinary Studies of Prehistoric Eurasian Art (Novosibirsk State University – University of Bordeaux), Pirogova 2, Novosibirsk, 630090, Russia;2. Khabarovsk Regional Center for Preservation and Management of Historical and Cultural Heritage, Dzerzhinskogo 36, Khabarovsk, 680000, Russia;1. Department of Mechanical and Aerospace Engineering, University of Dayton, 300 College Park, Kettering Labs Room 363F, Dayton, OH, 45469-0238, USA;2. Department of Physical Therapy, University of Dayton,300 College Park, Fitz Hall 207, Dayton, OH, 45469-2925, USA;3. Department of Mathematics, University of Dayton, 300 College Park, Dayton, OH, 45469-2316, USA |
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| Abstract: | BackgroundThe Physiological Profile Assessment (PPA) assesses falls risk in older adults by measuring impairments most associated with multiple falls. To date, no study has investigated the change in PPA impairment profile with age.ObjectiveTo describe impairment profiles, by age and ability to complete the postural sway measure, of older adults fallers.ParticipantsWe note that 885 older adults referred to multidisciplinary falls clinics located within two inner London boroughs (UK).MethodsAnonymised data was extracted from the PPA falls risk database. For comparisons, data was grouped by gender, age, and ability to complete the postural Sway test.ResultsThere were significant differences between all age groups in PPA falls risk, edge contrast sensitivity, quadriceps strength (Quad), postural sway and reported falls within the previous year (P < 0.01). The oldest age group (90+) had the highest PPA falls risk (P < 0.01), yet reported significantly less falls than the youngest age group (60 to 69; P < 0.05). There was significant variability in test results, with younger age groups displaying greater variability across PPA measures, and older age groups displaying more consistency (P < 0.05); 15.1% (n = 134) of patients that were able to perform the postural sway measure received a higher risk score for this test than those unable to complete the task.ConclusionsGreater variability in younger age groups indicates that specific impairments may provide the cause of falls, whereas widespread global reduction in function and frailty may provide the cause for falls in the older age groups. The postural sway scoring does not reflect ability to perform the test. |
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