{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:17:54Z","timestamp":1787015874399,"version":"build-2736575974"},"reference-count":34,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2021,6,14]],"date-time":"2021-06-14T00:00:00Z","timestamp":1623628800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pacing Clinical Electrophis"],"published-print":{"date-parts":[[2021,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>In pediatric patients with documented narrow QRS tachycardia that is suggestive of atrioventricular nodal reentrant tachycardia (AVNRT) and not inducible in electrophysiological study (EPS), empiric slowpathway ablation (ESPA) may be considered. There is limited data in children about this topic.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Seventy\u2010nine patients who underwent cryoablation and\/or radiofrequency ablation (RFA) for presumed AVNRT between January 2010 and January 2020, with no inducible tachycardia and no other tachycardia mechanisms during EPS, were included in this study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The age was between 6 and 18 years. All patients had no structural heart disease. Preablation exhibited sustained SP conduction for all patients. In all cases, the ablation end points were prolongation in wenckebach cycle length (WBCL) with loss of cross and\/or jump, and\/or echo beat. The end points were not achieved in two patients. Overall, the mean basal WBCL increased to 351\u00a0ms (240\u2010500\u00a0ms) from 301.3\u00a0ms (180\u2010420\u00a0ms), evident in the non\u2010recurrence group. Nine patients had a transient AV block that improved. We followed the patients without medication for about 46.9 months (8 months to 10 years). Palpitations occurred again in 9 of 77 patients (clinical recurrence rate 9\/79 \u2013 11.3%). The documented ECG recurrence rate was 1.2% (1\/79). In the non\u2010recurrence group, WBCL prolongation was higher and mean age was lower than in the recurrence group (13.075\u00a0vs. 15.33 years).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>In cases with presumed AVNRT, ESPA seems to be a reasonable and safe way. In our study, we found our procedural success rate as 97.4% and follow\u2010up recurrence rate as 12.6% (9+1\/79).<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/pace.14291","type":"journal-article","created":{"date-parts":[[2021,6,3]],"date-time":"2021-06-03T05:55:49Z","timestamp":1622699749000},"page":"1200-1206","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Empiric slow\u2010pathway ablation results for presumed atrioventricular nodal reentrant tachycardia in pediatric patients"],"prefix":"10.1111","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4176-1709","authenticated-orcid":false,"given":"Derya","family":"Duman","sequence":"first","affiliation":[{"name":"Department of Pediatrics, Division of Pediatric Cardiology University of Hacettepe  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u0130lker","family":"Ertu\u011frul","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Division of Pediatric Cardiology University of Hacettepe  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"I\u015f\u0131l","family":"Y\u0131ld\u0131r\u0131m Ba\u015ftuhan","sequence":"additional","affiliation":[{"name":"Division of Pediatric Cardiology University of Health Sciences Antalya Training and Research Hospital  Antalya Dalian"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hayrettin Hakan","family":"Aykan","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Division of Pediatric Cardiology University of Hacettepe  Ankara Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tevfik","family":"Karag\u00f6z","sequence":"additional","affiliation":[{"name":"Department of Pediatrics University of Hacettepe  Ankara 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