The characteristics of blood transfusion and analysis of preoperative factors associated with intraoperative blood transfusion in congenital heart surgery: a case–control study

Table 1 Individual procedures by RACHS category

RACHS category	Procedure	No	Sum	RACHS category	Procedure	No	Sum
RACHS category 1	PDA > 30 d	98	676	RACHS category 4	TA repair	4	8
	Coarctation > 30 d	167			Double switch	2
	ASD	411			ASO/VSD	2
RACHS category 2	VSD	668	777	RACHS category 5	TV repositioning in Ebsteins anomaly < 30 d		0
	TOF	56			Truncus/IAA		0
	Pulmonary valvotomy or valvuloplasty	38
	Aortic valvotomy or valvuloplasty > 30 d	11
	AP Window	4
RACHS category 3	ASO	16	89	RACHS category 6	Norwood operation		0
	Mitral/Tricuspid valvotomy or valvuloplasty	20			DKS		0
	TOF/PA	10
	Repair of cor triatriatum	8
	Repair of transitional or complete atrioventricular canal	20
	DORV repair	5
	BTS	2
	PAB	8

RACHS risk adjustment for congenital heart surgery, PDA patent ductus arteriosus, ASD atrial septal defect, VSD ventricular septal defect, TOF tetralogy of Fallot, AP aortopulmonary, ASO arterial switch operation, PA pulmonary atresia, DORV double outlet right ventricle, BTS Blalock–Tuassig shunt, PAB pulmonary artery band, TA truncus arteriosus, TV tricuspid valve, IAA interrupted aortic arch, DKS Damus Kaye Stancil, No. number

ISSN: 1749-8090