Physical activity interventions are delivered consistently across hospitalized older adults but multimorbidity is associated with poorer rehabilitation outcomes: A population-based cohort study

Journal article


Jones, J, Jones, GD, Thacker, M and Faithfull, S (2017). Physical activity interventions are delivered consistently across hospitalized older adults but multimorbidity is associated with poorer rehabilitation outcomes: A population-based cohort study. Journal of Evaluation in Clinical Practice. 23 (6), pp. 1469-1477.
AuthorsJones, J, Jones, GD, Thacker, M and Faithfull, S
Abstract

Background
Older adults live with multimorbidity including frailty and cognitive impairment often requiring hospitalization. While physical activity interventions (PAIs) are a normal rehabilitative treatment, their clinical effect in hospitalized older adults is uncertain.


Objective
To observe PAI dosing characteristics and determine their impact on clinical performance parameters.


Design
A single-site prospective observational cohort study in an older persons' unit.


Subjects
Seventy-five older persons' unit patients ≥65 years.


Intervention
PAI; therapeutic contact between physiotherapy clinician and patient.


Measurements
Parameters included changes in activities-of-daily-living (Barthel Index), handgrip strength, balance confidence, and gait velocity, measured between admission and discharge (episode). Dosing characteristics were PAI temporal initiation, frequency, and duration. Frailty/cognition status was dichotomized independently per participant yielding 4 subgroups: frail/nonfrail and cognitively-impaired/cognitively-unimpaired.


Results
Median (interquartile range) PAI initiation occurred after 2 days (1-4), frequency was 0.4 PAIs per day (0.3-0.5), and PAI duration per episode was 3.75 hours (1.8-7.2). All clinical parameters improved significantly across episodes: grip strength median (interquartile range) change, 2.0 kg (0.0-2.3) (P < .01); Barthel Index, 5 (3-8) (P < .01); gait velocity, 0.06 m.∙s−1 (0.06-0.16) (P < .01); and balance confidence, −3 (−6 to −1) (P < .01). Physical activity intervention dosing remained consistent within subgroups. While several moderate to large associations between amount of PAIs and change in clinical parameters were observed, most were within unimpaired subgroups.


Conclusions
PAI dosing is consistent. However, while clinical changes during hospital episodes are positive, more favourable responses to PAIs occur if patients are nonfrail/cognitively-unimpaired. Therefore, to deliver a personalized rehabilitation approach, adaptation of PAI dose based on patient presentation is desirable.

KeywordsHumans; Hand Strength; Exercise; Exercise Therapy; Severity of Illness Index; Prospective Studies; Cognition Disorders; Socioeconomic Factors; Aged; Aged, 80 and over; Female; Male; Postural Balance; Walking Speed; Multimorbidity
Year2017
JournalJournal of Evaluation in Clinical Practice
Journal citation23 (6), pp. 1469-1477
ISSN1356-1294
Digital Object Identifier (DOI)doi:10.1111/jep.12833
Publication dates
Print08 Oct 2017
Online08 Oct 2017
Publication process dates
Accepted07 Aug 2017
Deposited17 Jan 2020
Accepted author manuscript
License
CC BY 4.0
File Access Level
Open
Supplemental file
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