{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T22:15:09Z","timestamp":1789683309786,"version":"4.0.1"},"reference-count":41,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"13","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["JAHA"],"published-print":{"date-parts":[[2020,7,7]]},"abstract":"\n Background<\/jats:title>\n \n The clinical significance of the duration of inducible ventricular tachycardia (\n VT<\/jats:styled-content>\n ) at electrophysiology study (\n EPS<\/jats:styled-content>\n ) in patients soon after\n ST<\/jats:styled-content>\n \u2010segment\u2013elevation myocardial infarction and its predictive utility for\n VT<\/jats:styled-content>\n recurrence are not known.\n <\/jats:p>\n <\/jats:sec>\n \n Methods and Results<\/jats:title>\n \n Consecutive\n ST<\/jats:styled-content>\n \u2010segment\u2013elevation myocardial infarction patients with day 3 to 5 left ventricular ejection fraction \u226440% underwent\n EPS<\/jats:styled-content>\n . A positive\n EPS<\/jats:styled-content>\n was defined as sustained monomorphic\n VT<\/jats:styled-content>\n with cycle length \u2265200\u00a0ms. The induced\n VT<\/jats:styled-content>\n was terminated by overdrive pacing or direct current shock at 30\u00a0s or earlier if hemodynamic decompensation occurred. Patients with inducible\n VT<\/jats:styled-content>\n duration 2 to 10\u00a0s were compared with patients with inducible\n VT<\/jats:styled-content>\n >10\u00a0s. The primary end point was survival free of\n VT<\/jats:styled-content>\n or cardiac mortality. From 384 consecutive\n ST<\/jats:styled-content>\n \u2010segment\u2013elevation myocardial infarction patients who underwent\n EPS<\/jats:styled-content>\n , 29% had inducible\n VT<\/jats:styled-content>\n (n=112, 87% men). After mean follow\u2010up of 5.9\u00b13.9\u00a0years, primary end point occurred in 35% of patients with induced\n VT<\/jats:styled-content>\n 2 to 10\u00a0s duration (n=68) and in 22% of patients with induced\n VT<\/jats:styled-content>\n >10\u00a0s (n=41) (\n P<\/jats:italic>\n =0.61). This was significantly different from the noninducible\n VT<\/jats:styled-content>\n group, in which primary end point occurred in 3% of patients (n=272) (\n P<\/jats:italic>\n =0.001).\n <\/jats:p>\n <\/jats:sec>\n \n Conclusions<\/jats:title>\n \n This study is the first to show that in patients who undergo\n EPS<\/jats:styled-content>\n early after myocardial infarction, inducible\n VT<\/jats:styled-content>\n of short duration (2\u201310\u00a0s) has similar predictive utility for ventricular tachyarrhythmia as longer duration (>10\u00a0s) inducible\n VT<\/jats:styled-content>\n , which was significantly different to those without inducible\n VT<\/jats:styled-content>\n . It is possible that immediate cardioversion of rapid\n VT<\/jats:styled-content>\n might have contributed to some of the short durations of inducible\n VT<\/jats:styled-content>\n .\n <\/jats:p>\n <\/jats:sec>","DOI":"10.1161\/jaha.119.015204","type":"journal-article","created":{"date-parts":[[2020,6,23]],"date-time":"2020-06-23T09:06:20Z","timestamp":1592903180000},"update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":5,"title":["Duration of Inducible Ventricular Tachycardia Early After ST\u2010Segment\u2013Elevation Myocardial Infarction and Its Impact on Mortality and Ventricular Tachycardia Recurrence"],"prefix":"10.1161","volume":"9","author":[{"given":"Tejas","family":"Deshmukh","sequence":"first","affiliation":[{"name":"Department of Cardiology Westmead Hospital Sydney Australia"},{"name":"University of Sydney 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