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 Release 21.0, Jan 2008
 
The Medical Algorithms Project
Chapter : ch5. Transfusion Medicine Section : Estimation of Blood Loss and Prediction of Blood Transfusion Needs
  Transfusion Triggers of Moonen et al for a Patient Undergoing Primary Hip or Knee Arthroplasty

  Excel Sheet Reference
Copyright (c) 2006-2007, Institute for Algorithmic Medicine, Houston, TX, USA. All rights reserved.

Overview :

Moonen et al reported transfusion triggers for allogeneic blood following primary hip or knee arthroplasty. The authors are from Maasland Hospital, Sittard, The Netherlands.

 

Patient selection: adult after primary hip or knee arthroplasty

 

Parameters:

(1) ASA classification

(2) surgical complications

 

ASA Classification

Surgical Complications

Hemoglobin Trigger

1

NA

8.1 g/dL

2 or 3

uncomplicated

8.1 g/dL

2 or 3

significant blood loss (> 500 mL)

8.9 g/dL

2 or 3

minor complication

9.7 g/dL

4

NA

9.7 g/dL

 

where:

• To simplify remembering, I would make the triggers 8, 9 and 10 g/dL

• I did not see major complication listed under surgical complication.

 

  References:

Moonen AFCM, Knoors NT, et al. Retransfusion of filtered shed blood in primary total hip and knee arthroplasty: a prospective randomized clinical trial. Transfusion. 2007; 47: 379-384 (Table 2, page 381).

 

 
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