Key result
An investigational quadripolar left ventricular lead allowed avoidance of phrenic nerve stimulation by selecting an alternative pacing electrode among the four available.
Why the study?
Does pacing electrode selection in a quadripolar left heart lead determine the presence or absence of phrenic nerve stimulation in a patient undergoing CRT-D implantation?
Population
1 60-year-old ischaemic patient presenting for routine cardiac resynchronization therapy (CRT)-D implantation
Design
Case_report
Authors
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May enable phrenic nerve stimulation avoidance without repositioning in CRT; leaves open prospective validation.
Case Report (n=1)
Does pacing electrode selection in a quadripolar left heart lead determine the presence or absence of phrenic nerve stimulation in a patient undergoing CRT-D implantation?
A quadripolar left ventricular lead offers multiple pacing electrodes, providing a potential alternative to physical lead adjustment or discontinuing CRT when phrenic nerve stimulation occurs.
Thibault et al. (2010) conducted a case report in Ischaemic heart disease requiring CRT-D (n=1). Investigational quadripolar left ventricular lead was evaluated on Phrenic nerve stimulation (PNS). An investigational quadripolar left ventricular lead allowed avoidance of phrenic nerve stimulation by selecting an alternative pacing electrode among the four available.
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