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Pressure sores: effect of Parkinson's disease and cognitive function on spontaneous movement in bed
P W Nicholson1, A L Leeman, C J O'Neill
1Middlesex Hospital Medical School, London.
Abstract:
It has previously been shown that the incidence of pressure sores is related inversely to the amount of movement made during the night. The present study of 30 in-patients of geriatric units suggests that the measurement of mean lateral displacement of the centre of gravity may better characterize those at risk than the total amount of movement. The mean displacement was reduced in Parkinson's disease and in dementia. The prevalence of pressure sores was markedly increased where Parkinson's disease and dementia coexisted.
Insights
Reduced movement, especially lateral displacement of the center of gravity, indicates higher pressure sore risk in geriatric patients. Parkinson's disease and dementia significantly increase this risk, particularly when coexisting.
Area of Science:
- Geriatric Medicine
- Biomedical Engineering
- Clinical Nursing
Background:
- Pressure sore incidence is inversely related to nocturnal movement.
- Identifying patients at risk for pressure sores is crucial in geriatric care.
Purpose of the Study:
- To investigate if mean lateral displacement of the center of gravity is a better indicator of pressure sore risk than total movement.
- To assess the impact of Parkinson's disease and dementia on nocturnal movement and pressure sore risk.
Main Methods:
- Study involved 30 in-patients in geriatric units.
- Measured mean lateral displacement of the center of gravity during sleep.
- Correlated movement measurements with pressure sore prevalence.
Main Results:
- Mean lateral displacement was reduced in patients with Parkinson's disease and dementia.
- A marked increase in pressure sore prevalence was observed when Parkinson's disease and dementia coexisted.
- Mean lateral displacement may be a more sensitive indicator of risk than total movement.
Conclusions:
- Reduced mean lateral displacement of the center of gravity is associated with increased pressure sore risk in geriatric patients.
- Parkinson's disease and dementia significantly impair movement, elevating risk.
- Combined presence of Parkinson's disease and dementia poses the highest risk for pressure sores.