{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,8]],"date-time":"2026-07-08T03:19:35Z","timestamp":1783480775308,"version":"3.55.0"},"reference-count":50,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T00:00:00Z","timestamp":1783382400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T00:00:00Z","timestamp":1783382400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100031563","name":"Leeds Hospitals Charity","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100031563","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ANZ Journal of Surgery"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Heart rate variability (HRV) is a non\u2010invasive method of assessing autonomic function. Those with autonomic dysfunction may be at heightened risk of peri\u2010operative complications due to sympatho\u2010parasympathetic imbalance. This review summarises the clinical applications of HRV, approaches to how it is measured, and its role in predicting peri\u2010operative complications.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>A systematic search of EMBASE and MEDLINE databases was performed, with results screened independently by two reviewers. Primary studies exploring the use of HRV in the context of non\u2010cardiac surgery were eligible. Outcomes of interest were technical parameters involved in assessing autonomic function and peri\u2010operative complications. The data were systematically extracted, charted, and summarised using a narrative synthesis. Due to expected heterogeneity of results, quantitative analysis was not planned.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      In total 1513 studies were screened and 63 were eligible for inclusion. Heart rate variability was used to measure autonomic function before surgery (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200954\/63; 85.7%), during surgery (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200912\/63; 19.0%), and after surgery (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200918\/63; 28.6%). HRV indices showed promise for identifying patients at risk of perioperative complications, most commonly comprising mortality, delirium, postoperative pain, myocardial ischaemia, and critical care admission. Measurements of HRV on post\u2010operative day 1 tended to show superior discriminatory value than those performed later during recovery.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Multiple clinical applications of HRV exist in the peri\u2010operative period. If demonstrated definitively, HRV in patients undergoing major non\u2010cardiac surgery could identify those at increased risk of perioperative morbidity and mortality.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/ans.70836","type":"journal-article","created":{"date-parts":[[2026,7,8]],"date-time":"2026-07-08T03:12:18Z","timestamp":1783480338000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Heart\u2010Rate Variability and Its Role in Non\u2010Cardiac Surgery Perioperative Care: Scoping Review"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-7139-3246","authenticated-orcid":false,"given":"Reuben","family":"Veysey\u2010Smith","sequence":"first","affiliation":[{"name":"Leeds Institute of Medical Research, University of Leeds  Leeds UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashmit","family":"Bhardwaj","sequence":"additional","affiliation":[{"name":"Leeds Institute of Medical Research, University of Leeds  Leeds UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8725-3283","authenticated-orcid":false,"given":"David G.","family":"Jayne","sequence":"additional","affiliation":[{"name":"Leeds Institute of Medical Research, University of Leeds  Leeds UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2413-5690","authenticated-orcid":false,"given":"Stephen J.","family":"Chapman","sequence":"additional","affiliation":[{"name":"Leeds Institute of Medical Research, University of Leeds  Leeds UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,7,7]]},"reference":[{"issue":"3","key":"e_1_2_9_2_1","doi-asserted-by":"crossref","first-page":"327","DOI":"10.5507\/bp.2014.025","article-title":"Heart Rate Variability \u2013 Current Diagnosis of the Cardiac Autonomic Neuropathy. 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