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1 - Epidemiology of falls and fall-related injuries

Published online by Cambridge University Press:  03 May 2010

Stephen R. Lord
Affiliation:
Prince of Wales Medical Research Institute, Sydney
Catherine Sherrington
Affiliation:
University of Sydney
Hylton B. Menz
Affiliation:
Prince of Wales Medical Research Institute, Sydney and La Trobe University, Melbourne
Jacqueline C. T. Close
Affiliation:
Prince of Wales Medical Research Institute, Sydney and Prince of Wales Hospital, Sydney
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Summary

In this chapter, we examine the epidemiology of falls in older people. We review the major studies that have described the incidence of falls, the locations where falls occur and falls sequelae. We also examine the costs and services required to treat and manage falls and fall-related injuries. Before addressing these issues, however, it is helpful to briefly discuss four important methodological considerations that are pertinent to all research studies of falls in older people: how falls are defined, how falls are counted, how injurious falls are defined and what constitutes an older person.

The definition of a fall

In 1987, the Kellogg International Working Group on the Prevention of Falls in the Elderly defined a fall as ‘unintentionally coming to the ground or some lower level and other than as a consequence of sustaining a violent blow, loss of consciousness, sudden onset of paralysis as in stroke or an epileptic seizure’. Since then, many researchers have used this or very similar definitions of a fall. The Kellogg definition is appropriate for studies aimed at identifying factors that impair sensorimotor function and balance control, whereas broader definitions that include dizziness and loss of consciousness are appropriate for studies that also address cardiovascular and neurological causes of falls such as syncope, postural hypotension and transient ischaemic attacks.

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Falls in Older People
Risk Factors and Strategies for Prevention
, pp. 3 - 25
Publisher: Cambridge University Press
Print publication year: 2007

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