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Article: Restrictive and liberal transfusion strategies in extracorporeal membrane oxygenation: A retrospective observational study

TitleRestrictive and liberal transfusion strategies in extracorporeal membrane oxygenation: A retrospective observational study
Authors
KeywordsECMO
hemoglobin
intensive care unit
red blood cell transfusion
Issue Date13-Dec-2022
PublisherWiley
Citation
Transfusion, 2022, v. 63, n. 2, p. 294-304 How to Cite?
Abstract

Background

To compare the outcomes of patients requiring extracorporeal membrane oxygenation (ECMO) support who had a restrictive transfusion strategy with those who had a liberal strategy.

Study Design and Methods

We retrospectively reviewed all adult patients from 2010 to 2019 who received a minimum of one packed red blood cell (pRBC) during ECMO. Hemoglobin values before each transfusion were retrieved. Restrictive transfusion strategy was defined as a transfusion threshold ≤8.5 g/dl in all transfusion episodes for a single patient, while liberal transfusion strategy was defined as a transfusion threshold >8.5 g/dl in any transfusion episode.

Results

The analysis included 763 patients, with 138 (18.1%) patients in the restrictive and 625 (81.9%) in the liberal transfusion strategy group. The median hemoglobin level, taking into account all measured hemoglobin values, during ECMO support was 8.3 and 9.9 g/dl, and the average units of pRBC received per day were 0.7 (0.3–1.8) and 1.2 (0.6–2.3), respectively. There were no significant differences in intensive care unit (ICU) mortality (adjusted odds ratio (OR), 0.86; 95% CI 0.56–1.30; p = .47), hospital mortality (adjusted OR, 0.79; 95% CI 0.52–1.21; p = .28), and 90-day mortality (adjusted OR, 0.84; 95% CI 0.55–1.28; p = .42) between the two groups. Among subgroup analyses, a restrictive transfusion strategy was associated with decreased risk of ICU mortality in patients on veno-venous ECMO (adjusted OR, 0.36; 95% CI 0.17–0.73; p = .005). There was no heterogeneity on outcomes across patients stratified by age, APACHE IV score, or need for large volume transfusion.

Discussion

Our data suggested it may be safe to adopt a restrictive red cell transfusion threshold of 8.5 g/dl in patients on ECMO, and highlighted the need for prospective trials in this heavily-transfused population.


Persistent Identifierhttp://hdl.handle.net/10722/331024
ISSN
2023 Impact Factor: 2.5
2023 SCImago Journal Rankings: 1.033
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorNg, PY-
dc.contributor.authorChan, HCV-
dc.contributor.authorIp, A-
dc.contributor.authorLing, L-
dc.contributor.authorChan, KM-
dc.contributor.authorLeung, KHA-
dc.contributor.authorChan, KCK-
dc.contributor.authorSo, D-
dc.contributor.authorShum, HP-
dc.contributor.authorNgai, CW-
dc.contributor.authorChan, WM-
dc.contributor.authorSin, WC-
dc.date.accessioned2023-09-21T06:52:05Z-
dc.date.available2023-09-21T06:52:05Z-
dc.date.issued2022-12-13-
dc.identifier.citationTransfusion, 2022, v. 63, n. 2, p. 294-304-
dc.identifier.issn0041-1132-
dc.identifier.urihttp://hdl.handle.net/10722/331024-
dc.description.abstract<h3>Background</h3><p>To compare the outcomes of patients requiring extracorporeal membrane oxygenation (ECMO) support who had a restrictive transfusion strategy with those who had a liberal strategy.</p><h3>Study Design and Methods</h3><p>We retrospectively reviewed all adult patients from 2010 to 2019 who received a minimum of one packed red blood cell (pRBC) during ECMO. Hemoglobin values before each transfusion were retrieved. Restrictive transfusion strategy was defined as a transfusion threshold ≤8.5 g/dl in all transfusion episodes for a single patient, while liberal transfusion strategy was defined as a transfusion threshold >8.5 g/dl in any transfusion episode.</p><h3>Results</h3><p>The analysis included 763 patients, with 138 (18.1%) patients in the restrictive and 625 (81.9%) in the liberal transfusion strategy group. The median hemoglobin level, taking into account all measured hemoglobin values, during ECMO support was 8.3 and 9.9 g/dl, and the average units of pRBC received per day were 0.7 (0.3–1.8) and 1.2 (0.6–2.3), respectively. There were no significant differences in intensive care unit (ICU) mortality (adjusted odds ratio (OR), 0.86; 95% CI 0.56–1.30; <em>p</em> = .47), hospital mortality (adjusted OR, 0.79; 95% CI 0.52–1.21; <em>p</em> = .28), and 90-day mortality (adjusted OR, 0.84; 95% CI 0.55–1.28; <em>p</em> = .42) between the two groups. Among subgroup analyses, a restrictive transfusion strategy was associated with decreased risk of ICU mortality in patients on veno-venous ECMO (adjusted OR, 0.36; 95% CI 0.17–0.73; <em>p</em> = .005). There was no heterogeneity on outcomes across patients stratified by age, APACHE IV score, or need for large volume transfusion.</p><h3>Discussion</h3><p>Our data suggested it may be safe to adopt a restrictive red cell transfusion threshold of 8.5 g/dl in patients on ECMO, and highlighted the need for prospective trials in this heavily-transfused population.</p>-
dc.languageeng-
dc.publisherWiley-
dc.relation.ispartofTransfusion-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectECMO-
dc.subjecthemoglobin-
dc.subjectintensive care unit-
dc.subjectred blood cell transfusion-
dc.titleRestrictive and liberal transfusion strategies in extracorporeal membrane oxygenation: A retrospective observational study-
dc.typeArticle-
dc.identifier.doi10.1111/trf.17221-
dc.identifier.scopuseid_2-s2.0-85144148422-
dc.identifier.volume63-
dc.identifier.issue2-
dc.identifier.spage294-
dc.identifier.epage304-
dc.identifier.eissn1537-2995-
dc.identifier.isiWOS:000896829100001-
dc.identifier.issnl0041-1132-

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