Why the study?
Is an upgrade to dual chamber pacing feasible and maintainable in patients with long-term single chamber ventricular stimulation?
Is an upgrade to dual chamber pacing feasible and maintainable in patients with long-term single chamber ventricular stimulation?
Upgrading to dual chamber pacing via ipsilateral subclavian venipuncture is highly feasible and maintained in the majority of patients with long-term ventricular stimulation.
May support upgrade attempts in select long-term VVI patients; leaves open randomized outcome trials before practice change.
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Johan Brandt (1999) studied this question.
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