{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T20:03:35Z","timestamp":1789502615225,"version":"build-2803163510"},"reference-count":28,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2022,9,28]],"date-time":"2022-09-28T00:00:00Z","timestamp":1664323200000},"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":[[2022,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The incidence of electrical storm (ES) is significantly higher during the daytime. However, the association between nocturnal ventricular tachyarrythmias during ES and prognosis remains unclear. Therefore, this study aimed to investigate the clinical characteristics and outcomes of ES with midnight ventricular tachyarrythmias.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We included 48 consecutive patients who had an implantable cardioverter\u2010defibrillator or cardiac resynchronization therapy defibrillator implanted between 2010 and 2020 and those who had experienced the onset of an out\u2010of\u2010hospital ES episode. According to the midnight (0:00 a.m.\u20136:00 a.m.) occurrence of ventricular arrythmia events consisting of ventricular tachycardia (VT) and ventricular fibrillation (VF), we divided them into two groups (with\u2010midnight group: <jats:italic>n<\/jats:italic>\u00a0=\u00a027, without\u2010midnight group: <jats:italic>n<\/jats:italic>\u00a0=\u00a021). The clinical characteristics and outcomes of the two groups were compared.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The patients in the with\u2010midnight group were mostly males, had longer QRS duration, and longer corrected QT\u2010interval than those in the without\u2010midnight group (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a0.05). The incidence of all\u2010cause death, especially heart failure death, was higher in the with\u2010midnight group than in the without\u2010midnight group (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a0.01). Multivariate analysis showed that the presence of midnight VT\/VF during ES was the only independent risk factors for heart failure death (HR\u00a0=\u00a018.9, 95%CI\u00a0=\u00a01.98\u2212181, <jats:italic>p<\/jats:italic>\u00a0=\u00a0.011).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The presence of midnight VT\/VF during ES might be associated with the poor prognosis. The loss of a sympathetic circadian pattern of VT\/VF distribution during ES might suggest advanced stages of the cardiac disease.<\/jats:p><\/jats:sec>","DOI":"10.1111\/pace.14592","type":"journal-article","created":{"date-parts":[[2022,9,16]],"date-time":"2022-09-16T13:29:41Z","timestamp":1663334981000},"page":"1330-1337","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Clinical impact of nocturnal ventricular tachyarrythmias in electrical storm"],"prefix":"10.1111","volume":"45","author":[{"given":"Naomasa","family":"Suzuki","sequence":"first","affiliation":[{"name":"Niigata University Graduate School of Medical and Dental Sciences  Niigata Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6366-4221","authenticated-orcid":false,"given":"Sou","family":"Otsuki","sequence":"additional","affiliation":[{"name":"Niigata University Graduate School of Medical and Dental 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