Utilization and Likelihood of Radiologic Diagnostic Imaging in Patients With Implantable Cardiac Defibrillators JOURNAL OF MAGNETIC RESONANCE IMAGING Nazarian, S., Reynolds, M. R., Ryan, M. P., Wolff, S. D., Mollenkopf, S. A., Turakhia, M. P. 2016; 43 (1): 115–27

Abstract

To examine imaging utilization in a matched cohort of patients with and without implantable cardioverter defibrillators (ICD) and to project magnetic resonance imaging (MRI) utilization over a 10-year period.The Truven Health MarketScan Commercial claims and Medicare Supplemental health insurance claims data were used to identify patients with continuous health plan enrollment in 2009-2012. Patients with ICDs were identified using ICD-9 and CPT codes, and matched to patients with the same demographic and comorbidity profile, but no record of device implantation. Diagnostic imaging utilization was compared across the matched cohorts, in total, by imaging categories, and in subpopulations of stroke, back pain, and joint pain. MRI use in the nonimplant group over the 4-year period was extrapolated out to 10 years for ICD-indicated patients.A cohort of 18,770 matched patients were identified; average age 65.5?±?13.38 and 21.9% female. ICD patients had significantly less MRI imaging (0.23 0.70 SD vs. 0.00 0.08 SD, P?

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