{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,11]],"date-time":"2025-12-11T02:59:36Z","timestamp":1765421976374},"reference-count":25,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2016,11,20]],"date-time":"2016-11-20T00:00:00Z","timestamp":1479600000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pacing Clinical Electrophis"],"published-print":{"date-parts":[[2016,12]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Available atrial electrograms in implantable cardioverter defibrillators (ICDs) improve arrhythmia diagnosis, allow monitoring for atrial fibrillation, and may reduce the risk of inappropriate therapies. A recently introduced ICD system using a single\u2010lead with floating atrial electrodes provides diagnostic capability of a dual\u2010chamber system without placing an additional lead. Data on long\u2010term clinical performance of this system are limited.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We retrospectively analyzed data from 35 consecutive patients implanted with Biotronik VR\u2010T DX devices and Linox<jats:sup>Smart<\/jats:sup> DX leads. (Biotronik, SE &amp; Co., Berlin, Germany)<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 35 patients (77% male, age 52 \u00b1 11.28 years), 32 were followed for a mean of 432\u00a0\u00b1 197\u00a0days (range 56\u2013765). During implantation, average preamplified and amplified sinus P\u2010wave amplitudes were 2.61 \u00b1 1.39 mV (range 0.9\u20136.8 mV) and 8.7 \u00b1 4.51 mV (range 1.4\u201318 mV), respectively. Despite statistically significant variations, the amplified P\u2010wave amplitude measurements (calculated mean values over 3 months) remained within a clinically acceptable range during follow\u2010up (5.4\u20138.7\u00a0mV). R\u2010wave amplitude and ventricular pacing threshold measurements were stable over time. A total of 13 stored arrhythmia events (three ventricular tachycardia, eight supraventricular tachycardia, two atrial fibrillation) were reviewed. All of them showed readily interpretable atrial electrograms. Eight out of 10 (80%) supraventricular events were correctly classified by the device. Three patients received inappropriate ICD therapies.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The single\u2010lead ICD system using a floating atrial dipole provides reliable recording of atrial signals during sinus rhythm and arrhythmias. Our data suggest that the system may offer diagnostic advantages of a dual\u2010chamber device without potential risks of an additional atrial lead.<\/jats:p><\/jats:sec>","DOI":"10.1111\/pace.12967","type":"journal-article","created":{"date-parts":[[2016,10,25]],"date-time":"2016-10-25T04:56:56Z","timestamp":1477371416000},"page":"1327-1334","source":"Crossref","is-referenced-by-count":14,"title":["Long\u2010Term Stability and Clinical Utility of Amplified Atrial Electrograms in a Single\u2010Lead ICD System with Floating Atrial Electrodes"],"prefix":"10.1111","volume":"39","author":[{"given":"NICOLE E.","family":"WORDEN","sequence":"first","affiliation":[{"name":"Division of Cardiovascular Medicine, University of Iowa Hospitals and Clinics University of Iowa Carver College of Medicine  Iowa City Iowa"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"MUSAB","family":"ALQASRAWI","sequence":"additional","affiliation":[{"name":"Division of Cardiovascular Medicine, University of Iowa Hospitals and Clinics University of Iowa Carver College of Medicine  Iowa City Iowa"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"ALEXANDER","family":"MAZUR","sequence":"additional","affiliation":[{"name":"Division of Cardiovascular Medicine, University of Iowa Hospitals and Clinics University of Iowa Carver College of Medicine  Iowa City Iowa"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2016,11,20]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.288.24.3115"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCULATIONAHA.106.629428"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2008.10.057"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrthm.2010.05.038"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2011.04.039"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2013.4982"},{"key":"e_1_2_7_8_1","first-page":"259","article-title":"Fractal coated leads: Advanced surface technology for genuine sensing and pacing","volume":"5","author":"Schaldach M.","year":"2000","journal-title":"Prog Biomed 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