Pressure-redistribution overlays for operating tables decrease the tissue interface pressure either by molding around the shape of the patient to distribute the patient’s weight over a larger area (ie,static overlays) or by varying mechanically the pressure
beneath the patient to decrease the duration of the applied pressure (ie, alternating pressure overlays).18 Some pressure-redistribution overlays significantly decrease the postoperative incidence of pressure ulcers in surgical patients, according to recent systematic reviews.4,18 The price of these overlays varies widely, from approximately $800 for static overlays to more than $2,000 for alternating pressure overlays.2 Little is known about the tradeoff between the additional costs and clinical benefits
of their use in an early prevention program for surgical patients. Commissioned by the Ontario Health Technology Assessment Committee, the current study evaluated the cost effectiveness of pressureredistribution overlays for the intraoperative
prevention of pressure ulcers in surgical patients.
Pressure-redistribution overlays for operating tables decrease the tissue interface pressure either by molding around the shape of the patient to distribute the patient’s weight over a larger area (ie,static overlays) or by varying mechanically the pressurebeneath the patient to decrease the duration of the applied pressure (ie, alternating pressure overlays).18 Some pressure-redistribution overlays significantly decrease the postoperative incidence of pressure ulcers in surgical patients, according to recent systematic reviews.4,18 The price of these overlays varies widely, from approximately $800 for static overlays to more than $2,000 for alternating pressure overlays.2 Little is known about the tradeoff between the additional costs and clinical benefitsof their use in an early prevention program for surgical patients. Commissioned by the Ontario Health Technology Assessment Committee, the current study evaluated the cost effectiveness of pressureredistribution overlays for the intraoperativeprevention of pressure ulcers in surgical patients.
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