Letters

Alternating pressure systems are useful

BMJ 1994; 309 doi: http://dx.doi.org/10.1136/bmj.309.6966.1436b (Published 26 November 1994) Cite this as: BMJ 1994;309:1436
  1. Elaine Bethell
  1. Tissue viability clinical nurse specialist, City Hospital NHS Trust, Birmingham B18 7QH.

    EDITOR,—In their article on pressure sores R K Vohra and C N McCollum state that alternating systems should be avoided.1 The article on which the authors base their comments related to pressure relieving equipment not used in Britain: the particular alternating system cell was only 3.8 cm thick2 and is a mattress overlay system.

    Recent studies comparing alternating pressure overlays …

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