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Preliminary Communication
June 4, 2019

Effect of a Home-Based Exercise Program on Subsequent Falls Among Community-Dwelling High-Risk Older Adults After a Fall: A Randomized Clinical Trial

Author Affiliations
  • 1Aging, Mobility, and Cognitive Neuroscience Lab, Department of Physical Therapy, Faculty of Medicine, University of British Columbia, Vancouver, Canada
  • 2Center for Hip Health and Mobility, Vancouver Coastal Health Research Institute, University of British Columbia, Vancouver, Canada
  • 3Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
  • 4Faculty of Management, University of British Columbia–Okanagan, Kelowna, Canada
  • 5Department of Medicine, Division of Geriatric Medicine, Faculty of Medicine, University of British Columbia, Vancouver, Canada
  • 6Department of Family Practice, Faculty of Medicine, University of British Columbia, Vancouver, Canada
JAMA. 2019;321(21):2092-2100. doi:10.1001/jama.2019.5795
Visual Abstract.
Visual Abstract.
Home-Based Exercise Program and Subsequent Falls in Community-Dwelling Older Adults
Home-Based Exercise Program and Subsequent Falls in Community-Dwelling Older Adults
Key Points

Question  Does a home-based exercise program reduce falls among community-dwelling older adults who present to a fall prevention clinic after a fall?

Findings  In this randomized clinical trial that included 344 older adults receiving geriatrician-led care at a fall prevention clinic, a home-based strength and balance retraining exercise program significantly reduced subsequent falls compared with usual care only (1.4 vs 2.1 falls per person-year).

Meaning  These findings support the use of this home-based exercise program for secondary fall prevention but require replication in other clinical settings.

Abstract

Importance  Whether exercise reduces subsequent falls in high-risk older adults who have already experienced a fall is unknown.

Objective  To assess the effect of a home-based exercise program as a fall prevention strategy in older adults who were referred to a fall prevention clinic after an index fall.

Design, Setting, and Participants  A 12-month, single-blind, randomized clinical trial conducted from April 22, 2009, to June 5, 2018, among adults aged at least 70 years who had a fall within the past 12 months and were recruited from a fall prevention clinic.

Interventions  Participants were randomized to receive usual care plus a home-based strength and balance retraining exercise program delivered by a physical therapist (intervention group; n = 173) or usual care, consisting of fall prevention care provided by a geriatrician (usual care group; n = 172). Both were provided for 12 months.

Main Outcomes and Measures  The primary outcome was self-reported number of falls over 12 months. Adverse event data were collected in the exercise group only and consisted of falls, injuries, or muscle soreness related to the exercise intervention.

Results  Among 345 randomized patients (mean age, 81.6 [SD, 6.1] years; 67% women), 296 (86%) completed the trial. During a mean follow-up of 338 (SD, 81) days, a total of 236 falls occurred among 172 participants in the exercise group vs 366 falls among 172 participants in the usual care group. Estimated incidence rates of falls per person-year were 1.4 (95% CI, 0.1-2.0) vs 2.1 (95% CI, 0.1-3.2), respectively. The absolute difference in fall incidence was 0.74 (95% CI, 0.04-1.78; P = .006) falls per person-year and the incident rate ratio was 0.64 (95% CI, 0.46-0.90; P = .009). No adverse events related to the intervention were reported.

Conclusions and Relevance  Among older adults receiving care at a fall prevention clinic after a fall, a home-based strength and balance retraining exercise program significantly reduced the rate of subsequent falls compared with usual care provided by a geriatrician. These findings support the use of this home-based exercise program for secondary fall prevention but require replication in other clinical settings.

Trial Registration  ClinicalTrials.gov Identifiers: NCT01029171; NCT00323596

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