Why the study?
Does implantation of pacing leads at the base of the atrial appendage provide satisfactory pacing thresholds in patients with prior amputation of the atrial appendage?
Does implantation of pacing leads at the base of the atrial appendage provide satisfactory pacing thresholds in patients with prior amputation of the atrial appendage?
Satisfactory atrial pacing can be achieved in patients with prior amputation of the atrial appendage by implanting leads into the trabeculae at the base of the appendage.
May support base-of-appendage lead placement after appendage amputation; leaves open need for prospective validation.
The right atrial appendage is frequently amputated at the time of open heart surgery. In this study we report implantation and chronic follow-up pacing data on 17 patients in whom either actively fixated screw-in leads or passively fixated tined "J" leads were implanted into the trabeculae at the base of the atrial appendage. Chronic follow-up demonstrated excellent chronic pacing thresholds and atrial sensitivity thresholds in those patients in whom these measurements could be made. It is therefore concluded that satisfactory atrial pacing can be achieved in patients who have previously undergone amputation of the atrial appendage during open heart surgery.
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Kerr et al. (1985) studied this question.
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