Transfusion Indication Predictive Score of Al-Khabori et al Perioperative Red Blood Cell Transfusion in Cardiac Surgery

Description

Al-Khabori et al developed a simple score for predicting perioperative red blood cell transfusion in patients undergoing cardiac surgery. The authors are from Sultan Qaboos University Hospital in Muscat, Oman.

Patient selection: cardiac surgery

Outcome: red blood cell transfusion

Parameters:

(1) gender

(2) age in years

(3) antiplatelet drug (aspirin, clopidogril) used within 7 days of surgery

(4) timing of surgery (elective or not)

(5) hematocrit in percent

(6) glucose 6-phosphate dehydrogenase (G6PD) deficiency

(7) cardiopulmonary bypass

(8) cerebrovascular disease

(9) diabetes mellitus

Parameter	Finding	Points
gender	male	-2
	female	0
age in years	<= 60 years of age	0
	> 60 years of age	1
antiplatelet drug used within 7 days	no	0
	yes	3
timing of surgery	elective	0
	non-elective	2
hematocrit	>= 35%	0
	< 35%	2
G6PD deficiency	absent	0
	present	2
cardiopulmonary bypass	no	0
	yes	2
cerebrovascular disease	no	0
	yes	4
diabetes mellitus	no	0
	yes	1

total score =

= SUM(points for all 9 parameters)

Interpretation:

• minimum score: -2

• maximum score: 17

• The higher the score the greater the risk of RBC transfusion.

Score	RBC Transfusion
< 2	42%
2 to 5	63%
> 5	91%

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Transfusion Indication Predictive Score of Al-Khabori et al Perioperative Red Blood Cell Transfusion in Cardiac Surgery

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