Aim of the study: Short peripheral cannula (SPC)-related phlebitis occurs in 7.5% of critically ill patients, and mechanical irritation from cannula materials is a risk factor. Softer polyurethane cannulas reportedly reduce phlebitis, but the incidence of phlebitis may vary depending on the type of polyurethane. Differences in cannula stiffness may also affect the incidence of phlebitis; however, this relationship is not well understood. This study analyzed intensive care unit (ICU) patient data to compare the incidence of phlebitis across different cannula products, focusing on polyurethane. Material and Methods: (Medikit, Japan), and other polyurethanes; non-polyurethane materials were also analyzed. Multivariable marginal Cox regression analysis was performed using other polyurethanes as a reference. Results: , 2.29 (95% CI 1.19-4.42, p = 0.01) for ETFE, and 2.2 (95% CI 0.46-10.59, p = 0.32) for others. Conclusions: The incidence of phlebitis varied among polyurethane cannulas. Further research is warranted to determine the causes of these differences.
Shinzato et al. (Wed,) studied this question.
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