The appropriateness of red blood cell use and the extent of overtransfusion: right decision? Right amount?

Corresponding Author

Paul J. Barr

Paul Barr, School of Pharmacy, Queens University of Belfast, Belfast, BT9 7BL, Northern Ireland; e-mail: [email protected]. Search for more papers by this author

Michael Donnelly,

Michael Donnelly

From the Centre for Excellence in Public Health, Queens University Belfast, the Clinical Research Support Centre, Royal Hospitals, and the Northern Ireland Blood Transfusion Service, Belfast, Northern Ireland; and the West of Scotland Blood Transfusion Service, Glasgow, Scotland.

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Chris R. Cardwell,

Chris R. Cardwell

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Michael Parker,

Michael Parker

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Kieran Morris,

Kieran Morris

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Karen E.M. Bailie,

Karen E.M. Bailie

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Paul J. Barr,

Corresponding Author

Paul J. Barr

Paul Barr, School of Pharmacy, Queens University of Belfast, Belfast, BT9 7BL, Northern Ireland; e-mail: [email protected]. Search for more papers by this author

Michael Donnelly,

Michael Donnelly

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Chris R. Cardwell,

Chris R. Cardwell

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Michael Parker,

Michael Parker

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Kieran Morris,

Kieran Morris

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Karen E.M. Bailie,

Karen E.M. Bailie

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First published: 06 April 2011

https://doi.org/10.1111/j.1537-2995.2011.03130.x

Citations: 42

This study was supported by research funding from the Research and Development Office, Belfast via a Health Services and Social Care Research studentship to PB, Grant EAT/2722/04.

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Abstract

BACKGROUND: Shrinkage of the donor pool coupled with an increasing demand for blood presents a major challenge to maintaining an adequate blood supply. Consequently it has become even more important to reduce inappropriate blood use, including decisions about when and how much blood to prescribe. This study aimed to ascertain the levels of inappropriate practice and factors associated with it.

STUDY DESIGN AND METHODS: The medical records of a randomly selected sample of hospital patients in Northern Ireland who received a red blood cell transfusion during 2005 (n = 1474) were reviewed, and inappropriate transfusion and overtransfusion criteria were applied. Logistic regression models were used to identify factors associated with inappropriate practice and overtransfusion.

RESULTS: In this study 23% of transfusions were considered inappropriate, occurring most commonly where the lowest hemoglobin (Hb) threshold for transfusion applied. Younger patients, those undergoing surgery, and those with lower comorbidity and higher Hb values were most likely to have an inappropriate transfusion. Among patients appropriately transfused, 19% were overtransfused. Females and those of lower weight (<65 kg) were most likely to be overtransfused.

CONCLUSION: While the choice of criteria used to judge decisions will influence the absolute level of inappropriate or overtransfusion reported, our findings suggest that a significant minority of clinicians are either unaware of or are reluctant to accept lower transfusion thresholds. To improve further improve transfusion practice we suggest that barriers to the implementation of recommended transfusion thresholds should be examined and guidance on an appropriate posttransfusion Hb level developed.

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August 2011

Pages 1684-1694

The appropriateness of red blood cell use and the extent of overtransfusion: right decision? Right amount?

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The appropriateness of red blood cell use and the extent of overtransfusion: right decision? Right amount?

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