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Exclusion of Adverse Hemodynamic Programming in Cardiac Resynchronization Therapy

Decrease of non-responder rate is the main challenge in cardiac resynchronization therapy. The problem could be solved, partly, in the follow-up by consequent individualization of hemodynamic pacing parameters. The esophageal electrogram feature of the Biotronik ICS 3000 programmer was used in the follow-up of 20 heart failure patients carrying implants for cardiac resynchronization therapy. Adverse hemodynamic programming of the sensed and paced AV delay could be easily observed and replaced by the individual optimal duration in 3 patients (15%) VDD and DDD operation. This result proves the value of esophageal electrogram recording CRT followup.