Key result
High impedance platinized platinum electrodes demonstrated lower pacing impedance and a more stable long-term capture threshold compared to porous platinum iridium electrodes.
Why the study?
Do high impedance, steroid-eluting ventricular pacing leads improve long-term electrical performance compared to conventional leads in patients requiring ventricular pacing?
Observational (n=226)
Do high impedance, steroid-eluting ventricular pacing leads improve long-term electrical performance compared to conventional leads in patients requiring ventricular pacing?
High impedance pacing leads offer lower energy thresholds than conventional leads, with platinized platinum electrodes providing more stable long-term capture thresholds than porous platinum iridium designs.
No takes yet. Share an insight, caveat, or question.
May favor platinized platinum electrodes for stable thresholds in ventricular pacing; leaves open superiority of high-impedance leads in randomized trials.
Wang et al. (2004) conducted an observational in Ventricular pacing (n=226). High impedance, steroid-eluting, passive-fixation ventricular leads (CPI Selute Picotip 4035 and Medtronic Capsure Z 5034) vs. Conventional 8.0-mm2 porous platinum iridium electrode CPI Selute 4285 was evaluated on Capture threshold, R wave amplitude, and pacing impedance. High impedance platinized platinum electrodes demonstrated lower pacing impedance and a more stable long-term capture threshold compared to porous platinum iridium electrodes.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: