{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T10:57:51Z","timestamp":1789556271684,"version":"build-2803163510"},"reference-count":86,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"5","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2020,11]]},"abstract":"<jats:sec>\n                    <jats:title>BACKGROUND:<\/jats:title>\n                    <jats:p>Inadvertent perioperative hypothermia is a common complication of surgery, and active body surface warming (ABSW) systems are used to prevent adverse clinical outcomes. Prior data on certain outcomes are equivocal (ie, blood loss) or limited (ie, pain and opioid consumption). The objective of this study was to provide an updated review on the effect of ABSW on clinical outcomes and temperature maintenance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS:<\/jats:title>\n                    <jats:p>We conducted a systematic review of randomized controlled trials evaluating ABSW systems compared to nonactive warming controls in noncardiac surgeries. Outcomes studied included postoperative pain scores and opioid consumption (primary outcomes) and other perioperative clinical variables such as temperature changes, blood loss, and wound infection (secondary outcomes). We searched Ovid MEDLINE daily, Ovid MEDLINE, EMBASE, CINHAL, Cochrane CENTRAL, and Web of Science from inception to June 2019. Quality of evidence (QoE) was rated according to the Grading of Recommendations, Assessment, Development and Evaluations (GRADE) approach. Subgroup analysis sought to determine the effect of preoperative + intraoperative warming versus intraoperative warming alone. Metaregression evaluated the effect of year of publication, use of neuromuscular blockers, anesthesia, and surgery type on outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS:<\/jats:title>\n                    <jats:p>Fifty-four articles (3976 patients) were included. Pooled results demonstrated that ABSW maintained normothermia compared to controls, during surgery (30 minutes postinduction [mean difference {MD}: 0.3\u00b0C, 95% confidence interval {CI}, 0.2\u20130.4, moderate QoE]), end of surgery (MD: 1.1\u00b0C, 95% CI, 0.9\u20131.3, high QoE), and up to 4 hours postoperatively (MD: 0.3\u00b0C, 95% CI, 0.2\u20130.5, high QoE). ABSW was not associated with difference in pain scores (&lt;24 hours postoperatively, moderate to low QoE) or perioperative opioid consumption (very low QoE). ABSW increased patient satisfaction (MD: 2.2 points, 95% CI, 0.9\u20133.6, moderate QoE), reduced blood transfusions (odds ratio [OR] = 0.6, 95% CI, 0.4\u20131.0, moderate QoE), shivering (OR = 0.2, 95% CI, 0.1\u20130.4, high QoE), and wound infections (OR = 0.3, 95% CI, 0.2\u20130.7, high QoE). No significant differences were found for fluid administration (low QoE), blood loss (very low QoE), major adverse cardiovascular events (very low QoE), or mortality (very low QoE). Subgroup analysis and metaregression suggested increased temperature benefit with pre + intraoperative warming, use of neuromuscular blockers, and recent publication year. ABSW seemed to confer less temperature benefit in cesarean deliveries and neurosurgical\/spinal cases compared to abdominal surgeries.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSIONS:<\/jats:title>\n                    <jats:p>ABSW is effective in maintaining physiological normothermia, decreasing wound infections, shivering, blood transfusions, and increasing patient satisfaction but does not appear to affect postoperative pain and opioid use.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1213\/ane.0000000000005145","type":"journal-article","created":{"date-parts":[[2020,9,15]],"date-time":"2020-09-15T10:09:33Z","timestamp":1600164573000},"page":"1430-1443","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":78,"title":["Effect of Perioperative Active Body Surface Warming Systems on Analgesic and Clinical Outcomes: A Systematic Review and Meta-analysis of Randomized Controlled Trials"],"prefix":"10.1213","volume":"131","author":[{"given":"Indranil","family":"Balki","sequence":"first","affiliation":[{"name":"Department of Anesthesia, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James S.","family":"Khan","sequence":"additional","affiliation":[{"name":"Department of Anesthesia, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Phillip","family":"Staibano","sequence":"additional","affiliation":[{"name":"Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emmanuelle","family":"Duceppe","sequence":"additional","affiliation":[{"name":"Department of Medicine, Centre hospitalier de l\u2019Universit\u00e9 de Montr\u00e9al, l\u2019Universit\u00e9 de Montr\u00e9al, Montreal, Quebec, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amal","family":"Bessissow","sequence":"additional","affiliation":[{"name":"Division of General Internal Medicine, Department of Medicine, McGill University Health Centre, McGill University, Montreal, Quebec, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erin N.","family":"Sloan","sequence":"additional","affiliation":[{"name":"Department of Medicine, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erin E.","family":"Morley","sequence":"additional","affiliation":[{"name":"Department of Medicine, Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandra N.","family":"Thompson","sequence":"additional","affiliation":[{"name":"Faculty of Medicine, Rehabilitation Sciences Institute, University of Toronto, Toronto, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Breagh","family":"Devereaux","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry, Dalhousie University, Halifax, Nova Scotia, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Constanza","family":"Rojas","sequence":"additional","affiliation":[{"name":"Department of Anesthesia, Clinica Davila and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Camila","family":"Rojas","sequence":"additional","affiliation":[{"name":"Department of Anesthesia, Clinica Universidad de Los Andes, Universidad de Los Andes, Bogota, Colombia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naveed","family":"Siddiqui","sequence":"additional","affiliation":[{"name":"Department of Anesthesia, Mount Sinai Hospital, University of Toronto, Toronto, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel I.","family":"Sessler","sequence":"additional","affiliation":[{"name":"(DIS) Department of Outcomes Research, Cleveland Clinic, Cleveland, Ohio"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P. 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