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Tytuł:
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J point elevation in high precordial leads associated with risk of ventricular fibrillation.
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Autorzy:
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Hasegawa Y; Department of Cardiovascular Biology and Medicine, Niigata University Graduate School of Medical and Dental Sciences.
Watanabe H; Department of Cardiovascular Biology and Medicine, Niigata University Graduate School of Medical and Dental Sciences.
Ikami Y
Otsuki S; Department of Cardiovascular Biology and Medicine, Niigata University Graduate School of Medical and Dental Sciences.
Iijima K; Department of Cardiovascular Biology and Medicine, Niigata University Graduate School of Medical and Dental Sciences.
Yagihara N; Department of Cardiovascular Biology and Medicine, Niigata University Graduate School of Medical and Dental Sciences.
Izumi D; Department of Cardiovascular Biology and Medicine, Niigata University Graduate School of Medical and Dental Sciences.
Minamino T; Department of Cardiovascular Medicine, Juntendo University Graduate School of Medicineof Medical and Dental Sciences, Tokyo.
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Źródło:
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Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc [Ann Noninvasive Electrocardiol] 2021 May; Vol. 26 (3), pp. e12820. Date of Electronic Publication: 2020 Dec 27.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Publication: Malden, MA : Wiley Periodicals, Inc.
Original Publication: Armonk, NY : Futura Pub. Co.,
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MeSH Terms:
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Electrocardiography/*methods
Ventricular Fibrillation/*diagnosis
Ventricular Fibrillation/*physiopathology
Adult ; Female ; Humans ; Male ; Recurrence
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References:
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Contributed Indexing:
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Keywords: Brugada syndrome; J wave; early repolarization; electrocardiogram; ventricular fibrillation
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Entry Date(s):
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Date Created: 20201228 Date Completed: 20211206 Latest Revision: 20211214
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Update Code:
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20240105
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PubMed Central ID:
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PMC8164155
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DOI:
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10.1111/anec.12820
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PMID:
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33368861
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Introduction: The significance of high precordial electrocardiograms in idiopathic ventricular fibrillation (IVF) is unknown.
Method: This study included 50 consecutive patients (48 men; age, 42 ± 18 years) who had spontaneous ventricular fibrillation not linked to structural heart disease and received implantable cardiac defibrillator therapy. IVF was diagnosed in 35 patients and Brugada syndrome was diagnosed in other 15 patients. Electrocardiograms in high intercostal space were compared between 35 patients with IVF and 105 age- and sex-matched healthy controls (patient: control ratio, 1:3).
Results: The frequency of J point elevation ≥ 0.1 mV in the 4th intercostal spaces was similar between patients with IVF (14%) and healthy controls (7%). However, the frequency of J point elevation ≥ 0.1 mV in the 3rd intercostal space was higher in patients with IVF (40%) than controls (11%) (p < .01). J point elevation was present only in the 3rd intercostal space but not in the 4th intercostal space in 30% of patients with IVF but only in 6% of controls (p < .01). During follow-up, the recurrence of ventricular fibrillation was higher in patients with IVF who had J point elevation in the 3rd intercostal space (36%) and Brugada syndrome(40%) than those with IVF who did not have J point elevation in the 3rd intercostal space(11%) (p < .05 for both).
Conclusion: J point elevation in the 3rd intercostal space was associated with IVF and recurrences of ventricular fibrillation. Electrocardiogram recordings in the high intercostal space may be useful to identify risk of sudden death.
(© 2020 The Authors. Annals of Noninvasive Electrocardiology published by Wiley Periodicals LLC.)
Comment in: Ann Noninvasive Electrocardiol. 2021 Jul;26(4):e12871. (PMID: 34288248)
Comment in: Ann Noninvasive Electrocardiol. 2021 Jul;26(4):e12867. (PMID: 34288249)
