{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,26]],"date-time":"2026-01-26T01:17:41Z","timestamp":1769390261105,"version":"3.49.0"},"reference-count":25,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2015,11,2]],"date-time":"2015-11-02T00:00:00Z","timestamp":1446422400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Noninvasive Electrocardiol"],"published-print":{"date-parts":[[2016,7]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>We aimed to examine microvolt T wave alternans (MTWA) in 24\u2010hour Holter electrocardiography (ECG) of children with repaired tetralogy of Fallot (TOF) to assess associations of MTWA with ventricular arrhythmias, ECG parameters, and echocardiographic findings.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Holter ECG records and archive files of 56 repaired TOF patients (62.5% male) who were analyzed retrospectively. Subjects\u2019 ECG parameters and MTWA values were compared with age\u2013sex\u2010matched control group. T wave changes were analyzed by time\u2010domain\u2010modified moving average method from the three channels of 24\u2010hour Holter ECG.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Mean age was 123.4 \u00b1 48.3 months. Median MTWA value was 55.5 \u03bcV in the control group, whereas 95.5 \u03bcV in patients group (P &lt; 0.001). A significant weak positive correlation was found between the presence of ventricular extrasystoles and tricuspid regurgitation. There was no correlation between ECG parameters, echocardiographic findings, and MTWA.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>MTWA was increased in children with repaired TOF as reported before. To our knowledge, this is the first study analyzing MTWA with 24\u2010hour Holter ECG in repaired TOF patients.<\/jats:p><\/jats:sec>","DOI":"10.1111\/anec.12315","type":"journal-article","created":{"date-parts":[[2015,11,2]],"date-time":"2015-11-02T13:45:18Z","timestamp":1446471918000},"page":"369-375","source":"Crossref","is-referenced-by-count":4,"title":["Assessment of Microvolt T Wave Alternans in Children with Repaired Tetralogy of Fallot during 24\u2010Hour Holter Electrocardiography"],"prefix":"10.1111","volume":"21","author":[{"given":"\u00d6nder","family":"Doks\u00f6z","sequence":"first","affiliation":[{"name":"Department of Pediatric Cardiology Izmir Dr. Beh\u00e7et Uz Children's Hospital  Izmir Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Timur","family":"Me\u015fe","sequence":"additional","affiliation":[{"name":"Department of Pediatric Cardiology Izmir Dr. Beh\u00e7et Uz Children's Hospital  Izmir Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Utku","family":"Karaarslan","sequence":"additional","affiliation":[{"name":"Department of Pediatric Intensive Care Unit Faculty of Medicine \u00a0Dokuz Eyl\u00fcl University  Izmir Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G\u00f6khan","family":"Ceylan","sequence":"additional","affiliation":[{"name":"Department of Pediatric Intensive Care Unit Izmir Dr. Beh\u00e7et Uz Children's Hospital  Izmir Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sava\u015f","family":"Demirpen\u00e7e","sequence":"additional","affiliation":[{"name":"Department of Pediatric Cardiology Faculty of Medicine \u00a0\u015eifa University  Izmir Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vedide","family":"Tavl\u0131","sequence":"additional","affiliation":[{"name":"Department of Pediatric Cardiology Faculty of Medicine \u00a0\u015eifa University  Izmir Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nurettin","family":"\u00dcnal","sequence":"additional","affiliation":[{"name":"Department of Pediatric Cardiology Faculty of Medicine \u00a0Dokuz Eyl\u00fcl University  Izmir Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2015,11,2]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjcard.2005.01.100"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.92.2.231"},{"key":"e_1_2_6_4_1","first-page":"401","article-title":"Depolarization\u2010repolarization inhomogeneity after repair of tetralogy of Fallot","volume":"95","author":"Gatzoulis MA","year":"1997","journal-title":"A substrate for malignant ventricular tachycardia? 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