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Sprint Fidelis and Riata defibrillator leads are prone to early failure. Few data exist on the comparative failure rates and mortality related to lead failure. The aims of this study were to determine the failure rate of Sprint Fidelis and Riata leads, and to compare failure rates and mortality rates in both groups.Patients implanted with Sprint Fidelis leads and Riata leads at a single centre were...
Aims To compare acute and chronic ventricular function between patients, without cardiac failure, paced at either right ventricular apex or outflow tract. Methods Twenty patients, 10 paced apically and 10 in the outflow tract, underwent two radionuclide ventriculograms. Eight parameters of systolic or diastolic function were compared at each assessment, as were changes within each group over time...
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