Abstract
Objective: To identify racial and/or health insurance disparities in the population undergoing ablation for paroxysmal supraventricular tachycardia(PSVT). Method: We identified adult patients (pts) admitted with principle diagnosis of PSVT by ICD 9 code 427.0 who had catheter ablation (ICD 9 code - 37.34), using the Nationwide Inpatient Sample (2000-2011). We stratified patients by race (White, Black, Hispanic, and other minority racial groups)and insurance status, and a hierarchical mixed effect multivariate model was created to identify independent predictors of PSVT ablation. Results: 64,564(20.2%) patients underwent ablation out of 319,579 patients admitted for PSVT during the period of 2000-2011. In absolute numbers, the majority of ablations were performed in Whites (58.7%) and patients with Medicare (56.3%) or private insurance (30.1%). After adjusting for confounding factors, the odds of having ablation were lower in Black pts (compare to White), and Medicare, Medicaid, and Uninsured pts (compare to private insurance) (see table). Other predictors of lower rate of ablations were: older age and female patients while odds of receiving ablation were higher for elective admissions and in teaching hospitals (p<0.001 for all comparisons). Conclusion: In a population of pts admitted for PSVT, those without private insurance and Black pts were less like to be treated with catheter ablation; and, this disparity persisted from 2000-2011. Since catheter ablation for PSVT is generally considered a curative procedure, future studies are needed to identify the factors that lead to these disparities of care.
Published Version
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