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Using Motion Capture Technology in the Instrumented Timed Up and Go Test to Detect the Risk of Falling in Aged Adults
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Testing a fall risk model for injection drug users.

Barbara Pieper1, Thomas N Templin, Allon Goldberg

  • 1College of Nursing, Wayne State University, Detroit, Michigan 48202, USA. bapieper@comcast.net

Nursing Research
|September 21, 2012
PubMed
Summary
This summary is machine-generated.

Fall risk in aging individuals who inject drugs is higher due to lower extremity impairments. These factors explain the increased fall risk associated with injection drug use and chronic venous insufficiency.

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Area of Science:

  • Gerontology
  • Public Health
  • Clinical Medicine

Background:

  • Fall risk is a critical clinical assessment component, yet unexamined in aging persons who inject illicit drugs.
  • Aging populations of injection drug users present unique challenges for fall risk assessment.

Purpose of the Study:

  • To develop and test a Fall Risk Model for Injection Drug Users.
  • To examine relationships between injection drug use, chronic venous insufficiency, lower extremity impairments, age, and fall risk (Tinetti score).

Main Methods:

  • Cross-sectional comparative design with four crossed factors.
  • Standardized instruments assessed variables; moderated multiple regression analyzed age and injection drug use effects.
  • Linear and quadratic trends in age were examined for their role in fall risk.

Main Results:

  • Participants (n=713) were primarily African American, with a mean age of 46.26 years, in methadone treatment.
  • A 48-year-old leg injector had fall risk comparable to a 69-year-old non-injector.
  • Significant predictors of fall risk included employment, comorbidities, ankle range of motion, leg pain, and calf muscle endurance.

Conclusions:

  • Fall risk is associated with the route of drug use.
  • Lower extremity impairments mediate the impact of injection drug use and chronic venous insufficiency on fall risk.
  • Further research is needed to understand fall risk in aging injection drug users.