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R. Y. Kwong, H. Sattar, H. Wu, G. Vorobiof, V. Gandla, K. Steel, S. Siu and K. A. Brown, “Incidence and Prognostic Implication of Unrecognized Myocardial Scar Characterized by Cardiac Magnetic Resonance in Diabetic Patients without Clinical Evidence of Myocardial Infarction,” Circulation, Vol. 118, 2008, pp. 1011-1020. doi:10.1161/CIRCULATIONAHA.107.727826

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• TITLE: Prognostic Utility of Dobutamine Stress Echocardiography in the Obese African American Population

  AUTHORS: Arfaat Khan, Eduardo Valdiviezo, Gurjit Singh, Somsupha Kanjanauthai, Waheeda Nazneen, Karthik Ananthasubramaniam

  KEYWORDS: African American; Obesity; Stress Echocardiography; Dobutamine Stress Echocardiography; Outcomes

  JOURNAL NAME: Open Journal of Medical Imaging, Vol.2 No.2, June 13, 2012

  ABSTRACT: Background: The predictive value of Dobutamine Stress Echocardiography (DSE) in the obese African American patient population is not well known. Methods: We conducted a retrospective study of 555 African American patients between 1/1/2001-12/31/2001. DSE responses were classified into normal, ischemia, scar, or scar +/? ischemia. End-points utilized were all cause death (ACD) and major adverse cardiac events (MACE). Results: There were a total of 409 obese patients and 146 non-obese patients. By multi-variate analysis only the scar group in the obese population predicted ACD (p = 0.003) and combined MACE (p = 0.014). Kaplan Meir analysis demonstrated that only the scar group was associated with decrease in freedom from all cause death (p