Why the study?
How frequently does inadvertent permanent ventricular pacing from the coronary vein occur, and how can it be diagnosed in patients with transvenous pacemakers?
Population
69 patients in whom transvenous pacemakers were implanted between 1979 and 1986
Design
Cohort
Follow-up
2-79 months
Authors
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RBBB pattern after pacemaker implantation may indicate coronary vein malposition; supports echocardiography for diagnosis but leaves frequency and risks open to prospective study.
How frequently does inadvertent permanent ventricular pacing from the coronary vein occur, and how can it be diagnosed in patients with transvenous pacemakers?
Two-dimensional echocardiography is a useful diagnostic tool for identifying inadvertent pacing lead malplacement in the coronary vein, particularly in patients exhibiting a right bundle-branch block pattern on surface ECG post-implantation.
Shettigar et al. (1989) studied this question.
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