Abstract
Launch of remote follow-up systems in Europe is currently underway. However, there is insufficient understanding of postimplant practices with respect to device follow-up, reprogramming of device features, and postshock clinic visits. We analyzed device-stored data from patients implanted with biventricular defibrillators (CRT-ICD) to characterize the management of patients in current clinical practice and the potential impact of remote follow-up systems. Two hundred and seventeen patients were identified, all with complete device-data for at least one year. Over a follow-up period of 570 +/- 158 days, 1,959 device interrogations were performed. Of these, the majority (1,280, 65%) involved the reprogramming of device parameters. The mean time interval between interrogations was 70 +/- 25 days. Overall, a marked reduction of interrogations requiring reprogramming was observed between the first six months of follow-up and subsequent periods (from 3.6 +/- 1.8 to 1.1 +/- 1.0 interrogations/six months). A mean of 6.0 +/- 5.9 device parameters was reprogrammed during the first six months of follow-up, versus 4.4 +/- 5.6 (P = 0.000) during the subsequent period. From multivariate analysis, a higher-than-median number of interrogations...Continue Reading
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