Abstract
Select patients with atrial fibrillation and contraindication to anticoagulation may benefit from percutaneous left atrial appendage closure (pLAAC). The purpose of this study was to evaluate racial disparities in the nationwide utilization and outcomes of pLAAC. We identified 16,830 hospitalizations for pLAAC between 2015 and 2017 using the National Inpatient Sample. Baseline characteristics, in-hospital mortality, complications, length of stay, and discharge disposition were assessed between White and Black/African American (AA) populations. Black/AA patients represented 4.1% of nationwide pLAAC recipients and were younger, more likely to be female, and had greater prevalence of hypertension, heart failure, hyperlipidemia, obesity, chronic kidney disease, and prior stroke history (P<.001 for all). Black/AA patients had significantly increased length of stay and nonroutine discharge (P <.001 for both) but comparable in-hospital mortality to White patients. Black/AA patients suffered from greater postoperative stroke (0.7% vs 0.2%), acute kidney injury (4.5% vs 2.1%), bleeding requiring transfusion (4.5% vs 1.4%), and venous thromboembolism (0.7% vs 0.1%; P<.01 for all). After controlling for possible confounding factors, Black/AA race was independently associated with significantly increased odds of bleeding requiring blood transfusion, stroke, venous thromboembolism, and nonroutine discharge. Among pLAAC recipients nationwide, Black/AA populations were underrepresented and had greater complication rates, length of stay, and discharge complexity. This study highlights the importance of addressing ongoing racial disparities in both utilization and outcomes of pLAAC.
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