Longitudinal Study of Weight Change Following Lower Limb Amputation
| Status: | Completed |
|---|---|
| Healthy: | No |
| Age Range: | 27 - 89 |
| Updated: | 4/21/2016 |
| Start Date: | March 2010 |
| End Date: | January 2016 |
Weight Change, Physical Activity and Health Promotion in Veteran Amputees
The purpose of this study is to assess weight change in a population of Veterans with
amputations. Little is known about the how weight changes following an amputation. It is
widely believed that many patients experience weight gain following amputation. This study
aims to identify magnitude of weight changes following amputation and determine
characteristics associated with weight gain. Information on weight change trajectories would
be useful to better understand long-term health consequences associated with amputation and
to design and target interventions to encourage weight maintenance and general health
promotion for groups at high risk of weight gain.
amputations. Little is known about the how weight changes following an amputation. It is
widely believed that many patients experience weight gain following amputation. This study
aims to identify magnitude of weight changes following amputation and determine
characteristics associated with weight gain. Information on weight change trajectories would
be useful to better understand long-term health consequences associated with amputation and
to design and target interventions to encourage weight maintenance and general health
promotion for groups at high risk of weight gain.
Inclusion Criteria:
"Exposed" cohort:
- incident lower limb amputation during the study period (1/1997-12/2008) in VISN 20
- >= 1 plausible weight recoded in the medical record at baseline (defined as 8 weeks
before amputation or 2-8 weeks post amputation)
- >=1 weight measured post amputation (2 months to 42 months post amputation)
"Unexposed" (comparison) cohort:
- no lower limb amputation during the study period
- no prior history of amputation
- >= 2 plausible recorded weights including at least one in the 2-6 weeks after their
reference date ("baseline").
- Alive at least 18 months after "baseline"
Exclusion Criteria:
- female (due to small number of women with lower limb amputations)
- lack information on any of the characteristics used for matching (e.g., birth
year/age and height to calculate body mass index)
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