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  • Title: Cost analysis of vascular readmissions after common vascular procedures.
    Author: Orr NT, El-Maraghi S, Korosec RL, Davenport DL, Xenos ES.
    Journal: J Vasc Surg; 2015 Nov; 62(5):1281-7.e1. PubMed ID: 26251167.
    Abstract:
    OBJECTIVE: This study analyzed readmissions and their associated hospital costs after common vascular surgeries at a single institution. METHODS: Patients undergoing open or endovascular abdominal aortic aneurysm repair, aortoiliac revascularization, or infrainguinal revascularization, from 2010 through 2012, were retrospectively evaluated. We compared 30- and 90-day readmission rates and costs by procedure group, and we tabulated reasons for readmission and procedures performed during readmission. We used both American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) data and patient records; as NSQIP only captures 30-day data, we retrospectively reviewed patient charts to extend the evaluation to 90 days. Analyses were performed using parametric or nonparametric methods as appropriate. RESULTS: Two hundred nineteen cases were analyzed; the overall rate of index admission survivors experiencing at least one readmission within 30 days was 17% and within 90 days, 27%. Median readmission costs were $10,700, which added 39% to the median index costs of $27,700. Over half of readmissions (55%) included an operation. The most common cause for readmission was related to wound complications, comprising approximately 30% of the entire readmission cohort. Independent drivers of readmission costs were the need for additional surgical procedures, the use of intensive care unit services, and the number of days spent in the hospital above the median. Total 90-day costs were statistically equivalent between open and endovascular procedures when including readmissions. CONCLUSIONS: We found that vascular surgery readmissions occur at a rate of 17% at 30 days and 27% at 90 days. When including the costs of readmission for a wide variety of common vascular cases, there is no significant difference in total costs between endovascular and open procedures at 90 days.
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