Smith, Samuel L., Norman, Richard, Moxon, Joseph V., Velu, Ramesh, Quigley, Frank, and Golledge, Jonathan (2021) Outcomes and costs of open and endovascular revascularisation for chronic limb ischaemia in an Australian cohort. Heart, Lung and Circulation, 30 (10). pp. 1552-1561.

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Abstract

Objective: The costs of open and endovascular revascularisation to treat peripheral artery disease (PAD) have not been fully established. This study examined the costs of both the index admission and any readmissions to hospital within 30 days of discharge for people having revascularisation at a single centre in Australia.

Methods: This was a retrospective analysis of prospectively collected data. Eligible participants were those presenting with chronic limb ischaemia requiring revascularisation between 2002 and 2017. Generalised linear modelling was used to estimate mean (95% confidence interval [95% CI]) hospital costs for the index and readmission hospital treatments.

Results: A total of 302 participants presenting with intermittent claudication (n=219; 72.5%) or chronic limb threatening ischaemia (n=83; 27.5%) treated by open (n=116; 38.4%) or endovascular (n=186; 61.6%) revascularisation were included. Forty-eight (48) (15.9%) participants were readmitted within 30 days of discharge from their index admission. The mean estimated index admission hospital cost was AUD$13,827 (95% CI, $11,935–$15,818) per person. This cost was significantly greater for open as compared to endovascular revascularisation (p<0.001). The mean estimated hospital cost was AUD$15,324 ($10,944–$19,966) per person readmitted. When comparing participants treated before and after 2010, the total hospital costs decreased, mainly due to decreased lengths of hospital stay for open procedures.

Conclusions: In this study the hospital costs were less for endovascular than open revascularisation of chronic limb ischaemia. Costs decreased over time. Readmission is an important contributor to the overall costs of peripheral revascularisation.

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