{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T09:19:31Z","timestamp":1787908771950,"version":"build-2784847793"},"reference-count":54,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2024,12,18]],"date-time":"2024-12-18T00:00:00Z","timestamp":1734480000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2024,12,18]],"date-time":"2024-12-18T00:00:00Z","timestamp":1734480000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100019902","name":"Fakultet for medisin og helsevitenskap, Norges Teknisk-Naturvitenskapelige Universitet","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100019902","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Anaesthesiol Scand"],"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Patients who achieve return of spontaneous circulation (ROSC) after in\u2010hospital cardiac arrest (IHCA) may re\u2010arrest. This phenomenon has not been sufficiently investigated. The aim of this study was to examine the immediate (1\u2010min) and short\u2010term (20\u2010min) risks of re\u2010arrest in IHCA.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We retrospectively analyzed four datasets of IHCA episodes, comprising defibrillator recordings collected between 2002 and 2022. Re\u2010arrest was defined as the resumption of chest compressions following a period of ROSC after cardiac arrest of any duration. Parametric models were applied to calculate the immediate risk of re\u2010arrest. In addition, we estimated the short\u2010term risk of re\u2010arrest within 20\u2009min.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>In 763 episodes of IHCA, we observed 316 re\u2010arrests: 68% to pulseless electrical activity (PEA), 25% to ventricular fibrillation\/ventricular tachycardia (VF\/VT), and 7% to asystole. Most re\u2010arrests occurred with the same rhythm as in the initial arrest. When ROSC was achieved from a non\u2010shockable rhythm, the risk of re\u2010arrest to a non\u2010shockable rhythm was initially 2% per minute and decreased to 1% per minute after 9\u2009min. The corresponding risk of re\u2010arrest to VF\/VT was constant at 2% per minute. If ROSC was obtained from a shockable rhythm, the risk of re\u2010arrest to a shockable rhythm was initially 5% per minute, decreasing to 4% per minute after 9\u2009min. The corresponding risk to a non\u2010shockable rhythm was constant at 1% per minute. The risk of re\u2010arrest within 20\u2009min was 27%, and the overall risk of at least one re\u2010arrest per episode was 33%.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The immediate risk of re\u2010arrest was approximately 2% per minute, with the highest risk occurring as a reversion to VF\/VT if ROSC was obtained from VF\/VT. The risk of re\u2010arrest within 20\u2009min of the initial arrest was 27%, and the overall risk of at least one re\u2010arrest per episode was 33%.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/aas.14567","type":"journal-article","created":{"date-parts":[[2024,12,18]],"date-time":"2024-12-18T05:26:07Z","timestamp":1734499567000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Re\u2010arrest immediately after return of spontaneous circulation: A retrospective observational study of in\u2010hospital cardiac arrest"],"prefix":"10.1111","volume":"69","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7119-8905","authenticated-orcid":false,"given":"Eirik","family":"Unneland","sequence":"first","affiliation":[{"name":"Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences Norwegian University of Science and Technology  Trondheim 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