Transcatheter aortic valve replacement in patients with coronary chronic total occlusion
2019
Abstract Introduction Coronary artery disease is a common diagnosis among patients evaluated for transcatheter aortic valve replacement (TAVR). It is unknown whether the presence of coronary artery chronic total occlusion (CTO) has any impact on TAVR post-procedural in-hospital outcomes. Methods The study population was extracted from the 2016 Nationwide Readmissions Data using International Classification of Diseases, tenth edition, clinical modifications/procedure coding system codes for TAVR, coronary CTO and post-procedural complications. Study endpoints included in-hospital all-cause mortality, length of index hospital stay, paravalvular leak (PVL), mechanical complications of prosthetic valve, cardiogenic shock, acute myocardial infarction (AMI), acute kidney injury (AKI), need for a permanent pacemaker, and bleeding. Propensity matching was used to extract a matched control (TAVR-M group to TAVR-CTO group). Results There were 23,604 TAVR, of whom, 467 discharges were identified in each group. Baseline characteristics and comorbidities were comparable. Mean age was 80.5 years and 45.9% were female. In comparison to TAVR-M, TAVR-CTO was associated with longer length of stay (8.1 versus 5.9 days, p Conclusions In comparison to TAVR-M, TAVR-CTO was associated with a higher incidence of cardiogenic shock, AMI, and AKI and longer LOS but similar mortality.
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