of echocardiographic “accretions” on intracardiac leads in patients with permanent
pacemakers. Methods Two hundred eleven patients with permanent cardiac pacemakers
implanted between 1988 and 2005 were called by telephone to participate in this study. The
cohort was identified retrospectively and followed prospectively after recruitment. Seventy-
five patients who agreed to participate in the study were examined by using transthoracic …