Effects of differences in bed making methods on air mattress pressure redistribution

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  • Matsuo Junko
    Faculty of Nursing, Osaka Medical College
  • Fukuda Moriyoshi
    Graduate Course of Nursing Science, Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University
  • Iuchi Emi
    Graduate Course of Nursing Science, Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University
  • Nishizawa Tomoe
    Department of Clinical Nursing, Institute of Medical, Pharmaceutical and Health Science, Kanazawa University
  • Okuwa Mayumi
    Department of Clinical Nursing, Institute of Medical, Pharmaceutical and Health Science, Kanazawa University
  • Sugama Junko
    Department of Clinical Nursing, Institute of Medical, Pharmaceutical and Health Science, Kanazawa University
  • Konya Chizuko
    Department of Nursing , Kanazawa Medical University
  • Hiromi Sanada
    Department of Gerontological Nursing/Wound Care Management, Graduate School of Medicine, The University of Tokyo

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Other Title
  • ベッドメーキングの違いがエアマットレスの圧再分配機能に及ぼす影響

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Abstract

<p>　Support surfaces are used to control external pressures acting on bony prominences; however, because of the tightness of sheets spread out on a mattress, a hammock effect can occur that causes pressure ulcers.<br>　This study elucidated the effects of differences in bed-making methods on the pressure redistribution of an air mattress.<br>The internal pressure of a static air mattress was set to 25 mmHg, and a 100% cotton plain weave sheet was spread out on the mattress. A buttock model was placed on this mattress and a vertical load was applied. The immersion distance, contact area, and maximum interface pressure（MIP）were measured. Bed-making methods were classified as the "corner method", in which the sheet corners were folded in and under in a triangular fashion; the "no treatment method", in which the corners were untreated; the "tying method", in which the sheet corners were folded in and under the back of the mattress and knotted; and the "no sheet method", in which only the cover of the air mattress was used. Data were analyzed using a one-way analysis of variance between the treatment comparisons and multiple comparison tests were also used.<br>　The corner method lowered the contact area to 0.6 relative to the "no treatment method", increased the MIP value 1.9-fold, and disturbed the pressure redistribution functionality of the mattress. The "tying method" affected pressure redistribution functionality in the same manner.<br>　These results suggest that the corner treatment of sheets affects the pressure redistribution functionality of air mattresses.</p>

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