{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T03:47:58Z","timestamp":1788407278232,"version":"build-2803163510"},"reference-count":32,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2025,11,3]],"date-time":"2025-11-03T00:00:00Z","timestamp":1762128000000},"content-version":"vor","delay-in-days":2,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2025,11,1]],"date-time":"2025-11-01T00:00:00Z","timestamp":1761955200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["72034005"],"award-info":[{"award-number":["72034005"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Nursing in Critical Care"],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Delirium is a common and serious complication in ICU patients, leading to prolonged ICU length of stay (LOS), increased mechanical ventilation (MV) duration and higher mortality. The ABCDEF bundle has been proposed to prevent or reduce ICU delirium, but the strength and consistency of evidence across existing meta\u2010analyses remain unclear.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>This umbrella meta\u2010analysis aimed to evaluate the pooled effects of ABCDEF bundle interventions on ICU delirium incidence and duration, with secondary objectives assessing their impact on ICU LOS, MV duration, ICU mortality and in\u2010hospital mortality.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>A comprehensive search was conducted across Web of Science, PubMed, EMBASE, Cochrane Reviews, Google Scholar, CNKI, Weipu and Wanfang up to May 2025. Meta\u2010analyses of RCTs and cohort studies were included if they assessed interventions incorporating at least three components of the ABCDEF bundle and reported ICU\u2010related outcomes. Methodological quality was assessed using the AMSTAR 2 tool; four meta\u2010analyses rated as critically low quality were excluded. Six meta\u2010analyses were included in the final synthesis. The certainty of evidence for each outcome was evaluated using the GRADE approach.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 4534 records were identified, of which six meta\u2010analyses met the inclusion criteria, encompassing 62,949 participants. Three meta\u2010analyses demonstrated a significant 50% reduction in ICU delirium incidence (OR\u2009=\u20090.50; 95% CI: 0.39\u20130.65;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001;\n                      <jats:italic>I<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u2009=\u20090%). Two meta\u2010analyses showed a significant reduction in delirium duration (SMD\u2009=\u2009\u22121.39; 95% CI: \u22122.38 to \u22120.40;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.006;\n                      <jats:italic>I<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u2009=\u20090%). ICU mortality was not significantly reduced (OR\u2009=\u20090.71; 95% CI: 0.33\u20131.53;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.384;\n                      <jats:italic>I<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u2009=\u200964.2%), but a 19% reduction in in\u2010hospital mortality was observed in three meta\u2010analyses (OR\u2009=\u20090.81; 95% CI: 0.71\u20130.93;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01;\n                      <jats:italic>I<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u2009=\u200923.4%). Four meta\u2010analyses reported shorter ICU LOS (SMD\u2009=\u2009\u22120.89; 95% CI: \u22121.65 to \u22120.13;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.021;\n                      <jats:italic>I<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u2009=\u200981.8%), and three reported reduced MV duration (SMD\u2009=\u2009\u22120.55; 95% CI: \u22121.08 to \u22120.02;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.043;\n                      <jats:italic>I<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u2009=\u200965.4%).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This umbrella meta\u2010analysis provides moderate to high\u2010certainty evidence supporting the efficacy of bundle interventions in reducing ICU delirium incidence and improving clinical outcomes, including ICU LOS and MV duration. While heterogeneity was noted in some outcomes, ABCDEF bundled approaches remain a promising strategy for improving the care of critically ill patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Relevance to Clinical Practice<\/jats:title>\n                    <jats:p>This umbrella review highlights the importance for critical care nurses to select and implement at least three ABCDEF bundle components, based on individual patient needs, to reduce ICU delirium and improve recovery outcomes.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/nicc.70192","type":"journal-article","created":{"date-parts":[[2025,11,4]],"date-time":"2025-11-04T06:00:37Z","timestamp":1762236037000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Efficacy of Bundle Interventions for the Prevention of Delirium in the Intensive Care Unit: An Umbrella Meta\u2010Analysis of 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