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Prognostic value of mechanical efficiency in ambulatory patients with idiopathic dilated cardiomyopathy in sinus rhythm

I. l Sung Kim, MD^*, Hideo Izawa, MD, PhD, Toshikazu Sobue, MD, PhD, Hitoshi Ishihara, MD, PhD, Fuji Somura, MD, Takao Nishizawa, MD^*, Kohzo Nagata, MD, PhD, Mitsunori Iwase, MD, PhD and Mitsuhiro Yokota, MD, PhD, FACC^*,*

^* Cardiovascular Division, Department of Clinical Pathophysiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
First Department of Internal Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
Nagoya University School of Health Science, Nagoya, Japan

View larger version (16K): [in a new window]   Figure 1 Kaplan-Meier survival curves for cardiac mortality of a larger cohort of 110 patients (A), those of 47 selected patients who underwent myocardial energetics measurements (B) and those of patients grouped according to mechanical efficacy (ME) (C: ME 11%, D: ME <11%).