New-generation miniaturized insertable cardiac monitor with a long sensing vector: Insertion procedure, sensing performance, and home monitoring transmission success in a real-world population.

Deneke, Thomas; Cabanas, Pilar; Hofer, Daniel; Gaspar, Thomas; Pierre, Bertrand; Bisignani, Giovanni; Pathak, Rajeev Kumar; Sanfins, Victor Manuel; Martens, Eimo; Mansourati, Jacques; Berruezo-Sanchez, Antonio; Wiemer, Marcus; Hain, Andreas; Pezawas, Thomas; Wenzel, Beate; Lau, Dennis

doi:10.1016/j.hroo.2022.01.010

2022

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Document type:: Journal Article
Author(s):: Deneke, Thomas; Cabanas, Pilar; Hofer, Daniel; Gaspar, Thomas; Pierre, Bertrand; Bisignani, Giovanni; Pathak, Rajeev Kumar; Sanfins, Victor Manuel; Martens, Eimo; Mansourati, Jacques; Berruezo-Sanchez, Antonio; Wiemer, Marcus; Hain, Andreas; Pezawas, Thomas; Wenzel, Beate; Lau, Dennis
Title:: New-generation miniaturized insertable cardiac monitor with a long sensing vector: Insertion procedure, sensing performance, and home monitoring transmission success in a real-world population.
Abstract:: BACKGROUND: Insertable cardiac monitors (ICMs) require an invasive procedure and are used for purely diagnostic purposes. Therefore, simplicity of the insertion procedure, low complication rate, long-term patient acceptance, sensing quality, and reliable remote monitoring are of great importance. OBJECTIVE: To evaluate a novel ICM (BIOMONITOR III) regarding all these aspects. METHODS: BIOMONITOR III has a miniaturized profile, long sensing vector (≈70 mm), a fast insertion tool for pocket formation and ICM placement in 1 step, and daily automatic Home Monitoring (HM) function. We evaluated the insertion procedure, complication rate, patient acceptance, sensing quality, and HM performance in 653 patients with BIOMONITOR III inserted for any ICM indication within 2 ongoing studies involving 51 sites in 11 countries. RESULTS: The median time from skin incision to wound closure was 4.0 minutes (interquartile range, 2.3-6.2 minutes). Median follow-up period was 274 days (interquartile range, 175-342 days). Serious adverse device-related events occurred in 6 patients (0.9%). No deep infections were reported in 334 patients without antibiotic prophylaxis. The wearing comfort was good or excellent in ≈95%. The mean R-wave amplitude (0.73 mV) and HM transmission rate (≈94% of days) were stable over 1.5 years. R-wave amplitudes were larger (mean 0.80 vs 0.62 mV, P < .001) and noise burden was lower (median 3.7 vs 14.5 minutes/day, P < .001) for ICM insertions parallel to the heart's long axis (54.2%) vs parasternal (41.3%). A gross visibility of P waves was 95.1%. CONCLUSION: The study demonstrated fast insertion times, low complication rate, high patient acceptance, and favorable long-term sensing and HM performance of the ICM.
Journal title abbreviation:: Heart Rhythm O2
Year:: 2022
Journal volume:: 3
Journal issue:: 2
Pages contribution:: 152-159
Fulltext / DOI:: doi:10.1016/j.hroo.2022.01.010
Pubmed ID:: http://view.ncbi.nlm.nih.gov/pubmed/35496450
TUM Institution:: Klinik und Poliklinik für Innere Medizin I, Kardiologie
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mediaTUM Gesamtbestand Einrichtungen Schools TUM School of Medicine and Health Departments Clinical Medicine Klinik und Poliklinik für Innere Medizin I, Kardiologie (Prof. Laugwitz)2022