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Determinants and prognostic value of left atrial volume in patients with dilated cardiomyopathy

Andrea Rossi, MD^*,*, Mariantonietta Cicoira, MD^*, Luisa Zanolla, MD^*, Rita Sandrini, MD^*, Giorgio Golia, MD^*, Piero Zardini, MD^* and Maurice Enriquez-Sarano, MD, FACC

^* Dipartimento di Scienze Biomediche e Chirurgiche, Sezione di Cardiologia, Universita’ di Verona, Verona, Italy
Division of Cardiovascular Disease, Mayo Clinic, Rochester, Minnesota, USA

View larger version (10K): [in a new window]   Figure 1 The receiver-operating characteristic (ROC) areas under the curve (AUC) of left atrial maximal volume/m2 (line with triangles) and left ventricular end-systolic volume/m2 (line with squares) of patients with dilated cardiomyopathy for prediction of death at 12 to 72 months.

View larger version (17K): [in a new window]   Figure 2 Kaplan-Meier survival curves of a subgroup of patients with severe systolic dysfunction (ejection fraction <30%), taken from the overall study population and classified into two groups according to the best cut-off value of left atrial maximal volume (LAmax)/m2 (68.5 ml/m2), as obtained from the receiver-operating characteristic curves (see text for details).