Prognostic Utility of Dobutamine Stress Echocardiography in the Obese African American PopulationReport as inadecuate




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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 < 0.001 and combined MACE p < 0.001. Conclusion: DSE retains its prognostic power in the obese African American population and scar has important impli-cations for MACE.

KEYWORDS

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

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A. Khan, E. Valdiviezo, G. Singh, S. Kanjanauthai, W. Nazneen and K. Ananthasubramaniam -Prognostic Utility of Dobutamine Stress Echocardiography in the Obese African American Population,- Open Journal of Medical Imaging, Vol. 2 No. 2, 2012, pp. 50-56. doi: 10.4236-ojmi.2012.22009.





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

Source: http://www.scirp.org/



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