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. 2014;36(5):280-4.
doi: 10.3109/10641963.2013.810232. Epub 2013 Sep 18.

Predictive value of non-invasive hemodynamic measurement by means of impedance cardiography in hypertensive subjects older than 50 years of age

Marcelo A Rada  1 , Paula E Cuffaro, Carlos R Galarza, Jessica Barochiner, Jose Alfie, Maria L Posadas Martinez, Diego H Giunta, Margarita S Morales, Lucas S Aparicio, Gabriel D Waisman
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Free article

Predictive value of non-invasive hemodynamic measurement by means of impedance cardiography in hypertensive subjects older than 50 years of age

Marcelo A Rada et al. Clin Exp Hypertens. 2014.
Free article

Abstract

The prognostic value of impedance cardiography (ICG; cardiac index [CI] and systemic vascular resistance index [SVRI] were measured) was assessed in this retrospective cohort study. A total of 1151 hypertensive outpatients >50 years with a baseline ICG were included. After median follow-up of 3.9 years, for the composite endpoint of cardiovascular events and stroke, adjusted HR for each 500 ml/min/m(2) CI increase was 0.85 (CI95% 0.73-0.9, p = 0.039), and for each 500 dynes s cm(-5) SVRI increase was 1.11 (CI95% 1.01-1.23, p = 0.046), whereas adjusted HR for all-cause mortality was not significant. ICG adds prognostic value to conventional risk factors in hypertensive patients.

Keywords: Cardiovascular morbidity; hypertension; impedance cardiography; mortality; prognosis.

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