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Prognostic Significance of Left Anterior Hemiblock in Patients With Suspected Coronary Artery Disease

Elena Biagini, MD^_*,, Abdou Elhendy, MD, FACC, Arend F.L. Schinkel, MD^_*, Stefan Nelwan, MD^_*, Vittoria Rizzello, MD^_*, Ron T. van Domburg, PhD^_*, Claudio Rapezzi, MD, Guido Rocchi, MD, Maarten L. Simoons, MD, FACC^_*, Jeroen J. Bax, MD and Don Poldermans, MD^_*,_*

^_* Department of Cardiology, Thoraxcenter, Erasmus Medical Center, Rotterdam, the Netherlands
Institute of Cardiology, S. Orsola Hospital, Bologna, Italy
University of Nebraska Medical Center, Omaha, Nebraska
Department of Cardiology, Leiden University Medical Center, Leiden, the Netherlands

View larger version (17K): [in a new window]   Figure 1 Regional distribution of abnormalities on the dobutamine stress echocardiogram in patients with and without left anterior hemiblock (LAHB). White bars = LAHB; black bars = no LAHB.

View larger version (23K): [in a new window]   Figure 2 Kaplan-Meier survival curves (end point of cardiac death) in the presence and in the absence of left anterior hemiblock (LAHB) in patients with normal dobutamine stress echocardiogram (A) and in patients with abnormal dobutamine stress echocardiogram (B).

View larger version (18K): [in a new window]   Figure 3 Annual cardiac event rates according to combinations of electrocardiographic and stress echocardiographic findings. White bars = LAHB; black bars = no LAHB. DSE = dobutamine stress echocardiography; LAHB = left anterior hemiblock.