Association between preoperative anemia optimization and major complications after non-cardiac surgery : a retrospective analysis
Copyright © 2023 Sociedade Brasileira de Anestesiologia. Published by Elsevier España S.L.U. All rights reserved..
BACKGROUND: Anemia is common in the preoperative setting and associated with increased postoperative complications and mortality. However, it is unclear if preoperative anemia optimization reduces postoperative complications. We aimed to assess the association between preoperative anemia optimization and a composite endpoint of major cardiovascular, renal, and pulmonary complications and all-cause mortality within 30 days after noncardiac surgery in adult patients.
METHODS: In this retrospective analysis preoperative anemia was defined as hemoglobin concentration below 12.0 g.dl-1 in women and 13.0 g.dl-1 in men within 6 months before surgery. A propensity score-based generalized estimating equation analysis was used to determine the association between preoperative anemia optimization and the primary outcome. Moreover, mediation analysis was conducted to investigate whether intraoperative red blood cell transfusion or duration of intraoperative hypotension were mediators of the relation between anemia optimization and the primary outcome.
RESULTS: Fifty-seven hundred anemia optimized, and 8721 non-optimized patients met study criteria. The proportion of patients having any component of the composite of major complications and all-cause mortality was 21.5% in the anemia-optimized versus 18.0% in the non-optimized, with confounder-adjusted odds ratio estimate of 0.99 (95% CI 0.86‒1.15) for anemia optimization versus non-optimization, p = 0.90. Intraoperative red blood cell transfusion had a minor mediation effect on the relationship between preoperative anemia optimization and the primary outcome, whereas duration of intraoperative hypotension was not found to be a mediator.
CONCLUSION: Preoperative anemia optimization did not appear to be associated with a composite outcome of major in-hospital postoperative cardiovascular, renal, and pulmonary complications and all-cause in-hospital mortality.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:74 |
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| Enthalten in: |
Brazilian journal of anesthesiology (Elsevier) - 74(2024), 2 vom: 19. März, Seite 744474 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Almonacid-Cardenas, Federico [VerfasserIn] |
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| Links: |
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| Themen: |
Anemia |
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| Anmerkungen: |
Date Completed 25.03.2024 Date Revised 28.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.bjane.2023.11.004 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM365346853 |
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| 520 | |a Copyright © 2023 Sociedade Brasileira de Anestesiologia. Published by Elsevier España S.L.U. All rights reserved. | ||
| 520 | |a BACKGROUND: Anemia is common in the preoperative setting and associated with increased postoperative complications and mortality. However, it is unclear if preoperative anemia optimization reduces postoperative complications. We aimed to assess the association between preoperative anemia optimization and a composite endpoint of major cardiovascular, renal, and pulmonary complications and all-cause mortality within 30 days after noncardiac surgery in adult patients | ||
| 520 | |a METHODS: In this retrospective analysis preoperative anemia was defined as hemoglobin concentration below 12.0 g.dl-1 in women and 13.0 g.dl-1 in men within 6 months before surgery. A propensity score-based generalized estimating equation analysis was used to determine the association between preoperative anemia optimization and the primary outcome. Moreover, mediation analysis was conducted to investigate whether intraoperative red blood cell transfusion or duration of intraoperative hypotension were mediators of the relation between anemia optimization and the primary outcome | ||
| 520 | |a RESULTS: Fifty-seven hundred anemia optimized, and 8721 non-optimized patients met study criteria. The proportion of patients having any component of the composite of major complications and all-cause mortality was 21.5% in the anemia-optimized versus 18.0% in the non-optimized, with confounder-adjusted odds ratio estimate of 0.99 (95% CI 0.86‒1.15) for anemia optimization versus non-optimization, p = 0.90. Intraoperative red blood cell transfusion had a minor mediation effect on the relationship between preoperative anemia optimization and the primary outcome, whereas duration of intraoperative hypotension was not found to be a mediator | ||
| 520 | |a CONCLUSION: Preoperative anemia optimization did not appear to be associated with a composite outcome of major in-hospital postoperative cardiovascular, renal, and pulmonary complications and all-cause in-hospital mortality | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Anemia | |
| 650 | 4 | |a Hemoglobin | |
| 650 | 4 | |a Iron deficiency | |
| 650 | 4 | |a Postoperative complications | |
| 650 | 7 | |a Hemoglobins |2 NLM | |
| 700 | 1 | |a Rivas, Eva |e verfasserin |4 aut | |
| 700 | 1 | |a Auron, Moises |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Lucille |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Dong |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Liu |e verfasserin |4 aut | |
| 700 | 1 | |a Tolich, Deborah |e verfasserin |4 aut | |
| 700 | 1 | |a Mascha, Edward J |e verfasserin |4 aut | |
| 700 | 1 | |a Ruetzler, Kurt |e verfasserin |4 aut | |
| 700 | 1 | |a Kurz, Andrea |e verfasserin |4 aut | |
| 700 | 1 | |a Turan, Alparslan |e verfasserin |4 aut | |
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