| Summary: | Rhodri Saunders, Amanda Hansson Hedblom Coreva Scientific GmbH & Co. KG, Königswinter, GermanyCorrespondence: Rhodri SaundersCoreva Scientific GmbH & Co. KG, Im Mühlenbruch 1, Königswinter, 53639, GermanyTel +49 2223 781 8010Fax +49 761 76999421Email rhodri@coreva-scientific.comIntroduction: Sternal wound infections (SWIs) are severe adverse events of cardiac surgery. This study aimed to estimate the economic burden of SWIs following coronary artery bypass grafts (CABG) in Australia. It also aimed to estimate the national and hospital cost-benefit of adopting single-patient electrocardiograph (spECG) systems for CABG monitoring, a measure that reduces the rate of surgical site infections (SSIs).Material and Methods: A literature review, which focused on CABG-related SSIs, was conducted to identify data which were then used to adapt a published Markov cost-effectiveness model. The model adopted an Australian hospital perspective.Results: The average SWI-related cost of care increase per patient was estimated at 1022 Australian dollars (AUD), and the annual burden to the Australian health care system at AUD 9.2 million. SWI burden comprised 360 additional intensive care unit (ICU) days; 1979 additional general ward (GW) days; and 186 readmissions. Implementing spECG resulted in 103 fewer ICU days, 565 fewer GW days, 48 avoided readmissions, and a total national cost saving of AUD 2.5 million, annually. A hospital performing 200 yearly CABGs was estimated to save AUD 54,830.Conclusion: SWIs cause substantial costs to the Australian health care system. Implementing new technologies shown to reduce the SWI rate is likely to benefit patients and reduce costs.Keywords: sternal wound infection, surgical site infection, electrocardiography, patient readmission, patient safety, medical economics
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