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A Critical Appraisal of Three Research Studies Related To Peripheral Venous Cannulae and the Incidence of Phlebitis.
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A CRITICAL APPRAISAL OF THREE RESEARCH STUDIES RELATED TO PERIPHERAL VENOUS CANNULAE AND THE INCIDENCE OF PHLEBITIS. INTRODUCTION It is widely acknowledged that intravenous therapy is an integral part of total patient care of many hospital patients. (Goodinson 1990, Stonehouse 1996, Parker 1999). A variety of devices are used to deliver intravenous fluids, medication, total patient nutrition and blood products. The most common delivery method being by the percutaneous insertion of a peripheral venous cannula. According to Campbell (1998) twenty five million NHS patients per year are estimated to receive some form of intravenous therapy via a peripheral route. Peripheral venous cannulation has been associated with sepsis that causes substantial morbidity in patients, prolonged hospitalisation and increased hospital costs. (Maki 1991 cited in Campbell 1998 p1308, Pearson 1996 cited in Scales 1997 pS4, Curran et al 1998). Three main theories appear to provide a basis for predicting the occurrence of phlebitis. Physical theories...
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