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Effects of allogeneic red blood cell transfusions on clinical outcomes in patients undergoing colorectal cancer surgery: a systematic review and meta-analysis


Acheson, Austin G; Brookes, Matthew J; Spahn, Donat R (2012). Effects of allogeneic red blood cell transfusions on clinical outcomes in patients undergoing colorectal cancer surgery: a systematic review and meta-analysis. Annals of Surgery, 256(2):235-244.

Abstract

OBJECTIVE: To determine the effect of allogeneic blood transfusion (ABT) on clinical outcomes in patients with colorectal cancer undergoing surgery. BACKGROUND: Perioperative ABTs may be associated with adverse clinical outcomes. METHODS: Systematic review of the literature with odds ratio (OR) and incidence rate ratio (IRR) meta-analyses of predefined clinical outcomes based on a MEDLINE search. RESULTS: In total, 20,795 colorectal cancer (CRC) patients observed for more than 59.2 ± 26.1 months (108,838 patient years) were included, of which 58.8% were transfused. ABT was associated with increased all-cause mortality OR = 1.72 (95% confidence interval [CI] 1.55-1.91, P < 0.001); I(2) = 23.3% (0-51.1) and IRR = 1.31 (1.23-1.39, P < 0.001), I(2) = 0.0% (0-37.0). ABT was also associated with increased ORs (95% CI, P) for cancer-related mortality of 1.71 (1.43-2.05, P <0.001), combined recurrence-metastasis-death 1.66 (1.41-1.97, P < 0.001), postoperative infection 3.27 (2.05-5.20, P < 0.001), and surgical reintervention 4.08 (2.18-7.62, <0.001). IRR (95% CI, P) was 1.45 (1.26-1.66, <0.001) for cancer-related mortality and 1.32 (1.19-1.46, <0.001) for recurrence-metastasis-death. Mean length of hospital stay was significantly longer in transfused compared with nontransfused patients (17.8 ± 4.8 vs 13.9 ± 4.7 days, P = 0.005). CONCLUSIONS: In patients with colorectal cancer (CRC) undergoing surgery, ABTs are associated with adverse clinical outcomes, including increased mortality. Measures aimed at limiting the use of ABTs should be investigated further.

Abstract

OBJECTIVE: To determine the effect of allogeneic blood transfusion (ABT) on clinical outcomes in patients with colorectal cancer undergoing surgery. BACKGROUND: Perioperative ABTs may be associated with adverse clinical outcomes. METHODS: Systematic review of the literature with odds ratio (OR) and incidence rate ratio (IRR) meta-analyses of predefined clinical outcomes based on a MEDLINE search. RESULTS: In total, 20,795 colorectal cancer (CRC) patients observed for more than 59.2 ± 26.1 months (108,838 patient years) were included, of which 58.8% were transfused. ABT was associated with increased all-cause mortality OR = 1.72 (95% confidence interval [CI] 1.55-1.91, P < 0.001); I(2) = 23.3% (0-51.1) and IRR = 1.31 (1.23-1.39, P < 0.001), I(2) = 0.0% (0-37.0). ABT was also associated with increased ORs (95% CI, P) for cancer-related mortality of 1.71 (1.43-2.05, P <0.001), combined recurrence-metastasis-death 1.66 (1.41-1.97, P < 0.001), postoperative infection 3.27 (2.05-5.20, P < 0.001), and surgical reintervention 4.08 (2.18-7.62, <0.001). IRR (95% CI, P) was 1.45 (1.26-1.66, <0.001) for cancer-related mortality and 1.32 (1.19-1.46, <0.001) for recurrence-metastasis-death. Mean length of hospital stay was significantly longer in transfused compared with nontransfused patients (17.8 ± 4.8 vs 13.9 ± 4.7 days, P = 0.005). CONCLUSIONS: In patients with colorectal cancer (CRC) undergoing surgery, ABTs are associated with adverse clinical outcomes, including increased mortality. Measures aimed at limiting the use of ABTs should be investigated further.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Institute of Anesthesiology
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2012
Deposited On:29 Dec 2012 11:15
Last Modified:05 Apr 2016 16:15
Publisher:Lippincott, Williams & Wilkins
ISSN:0003-4932
Publisher DOI:https://doi.org/10.1097/SLA.0b013e31825b35d5
PubMed ID:22791100

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