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Enteral nutritional support in prevention and treatment of pressure ulcers: A systematic review and meta-analysis
Linköping University, Faculty of Health Sciences. Linköping University, Department of Medicine and Care, Nursing Science. Östergötlands Läns Landsting, Local Health Care Services in Central Östergötland, Department of Acute Internal Medicine.
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2005 (English)In: Ageing Research Reviews, ISSN 1568-1637, Vol. 4, no 3, 422-450 p.Article in journal (Refereed) Published
Abstract [en]

Background: There have been few systematic reviews and no meta-analyses of the clinical benefits of nutritional support in patients with, or at risk of developing, pressure ulcers. Therefore, this systematic review and meta-analysis was undertaken to address the impact of enteral nutritional support on pressure ulcer incidence and healing and a range of other clinically relevant outcome measures in this group. Methods: Fifteen studies (including eight randomised controlled trials (RCTs)) of oral nutritional supplements (ONS) or enteral tube feeding (ETF), identified using electronic databases (including Pub Med and Cochrane) and bibliography searches, were included in the systematic review. Outcomes including pressure ulcer incidence, pressure ulcer healing, quality of life, complications, mortality, anthropometry and dietary intake were recorded, with the aim of comparing nutritional support versus routine care (e.g. usual diet and pressure ulcer care) and nutritional formulas of different composition. Of these 15 studies, 5 RCTs comparing ONS (4 RCTs) and ETF (1 RCT) with routine care could be included in a meta-analysis of pressure ulcer incidence. Results: Meta-analysis showed that ONS (250-500 kcal, 2-26 weeks) were associated with a significantly lower incidence of pressure ulcer development in at-risk patients compared to routine care (odds ratio 0.75, 95% CI 0.62-0.89, 4 RCTs, n = 1224, elderly, post-surgical, chronically hospitalised patients). Similar results were obtained when a combined meta-analysis of ONS (4 RCT) and ETF (1 RCT) trials was performed (OR 0.74, 95% CI 0.62-0.88, 5 RCTs, n = 1325). Individual studies showed a trend towards improved healing of existing pressure ulcers with disease-specific (including high protein) versus standard formulas, although robust RCTs are required to confirm this. Although some studies indicate that total nutritional intake is improved, data on other outcome measures (quality of life) are lacking. Conclusions: This systematic review shows enteral nutritional support, particularly high protein ONS, can significantly reduce the risk of developing pressure ulcers (by 25%). Although studies suggest ONS and ETF may improve healing of PU, further research to confirm this trend is required. © 2005 Elsevier Ireland Ltd. All rights reserved.

Place, publisher, year, edition, pages
2005. Vol. 4, no 3, 422-450 p.
Keyword [en]
meta-analysis, supplement, enteral, formula, pressure sores, decubitus, wound healing, prevention, nutrition
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-28917DOI: 10.1016/j.arr.2005.03.005Local ID: 14120OAI: diva2:249729
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2011-01-12

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Ek, Anna-Christina
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Faculty of Health SciencesNursing ScienceDepartment of Acute Internal Medicine
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