Bretschneider (Custodiol®) and St. Thomas 2 Cardioplegia Solution in Mitral Valve Repair via Anterolateral Right Thoracotomy: A Propensity-Modelled Comparison

Table 2

Perioperative variables.

	Before IPTW				After IPTW
	Bretschneider ()	St. Thomas ()	Diff		Bretschneider ()	St. Thomas ()	Diff
Indication
Active endocarditis	3 (2.4%)	1 (1.6%)	0.057	0.728	3 (2.2%)	1 (2.2%)	0.003	0.985
Previous endocarditis	5 (4.1%)	1 (1.6%)	0.146	0.399	4 (3.7%)	0 (0.0%)	0.278	0.158
Degenerative	103 (83.7%)	51 (83.6%)	0.004	0.982	97 (85.7%)	44 (80.6%)	0.137	0.437
Calcification	10 (8.1%)	5 (8.2%)	-0.002	0.988	8 (6.7%)	5 (9.1%)	-0.091	0.586
Function	9 (7.3%)	6 (9.8%)	-0.090	0.558	7 (6.1%)	7 (13.1%)	-0.241	0.166
Rheuma	1 (0.8%)	0 (0.0%)	0.128	0.480	1 (0.9%)	0 (0.0%)	0.136	0.484
Ischemia	1 (0.8%)	0 (0.0%)	0.128	0.480	1 (0.8%)	0 (0.0%)	0.126	0.484
Dilatation of annulus	11 (8.9%)	23 (37.7%)	-0.723	0.000	9 (7.6%)	21 (37.6%)	-0.768	0.000
Barlow	15 (12.2%)	16 (26.2%)	-0.362	0.019	13 (11.1%)	14 (25.3%)	-0.374	0.026
Annuloplasty	121 (98.4%)	56 (91.8%)	0.308	0.048	111 (98.6%)	50 (91.1%)	0.345	0.037
Neochordae	95 (77.2%)	48 (78.7%)	-0.035	0.824	89 (78.8%)	42 (76.6%)	0.053	0.763
Resection	4 (3.3%)	1 (1.6%)	0.105	0.534	4 (3.7%)	1 (1.5%)	0.141	0.412
Procedure
Duration of operation (min)			-0.048	0.764			-0.025	0.879
Aortic clamping time (min)			-0.110	0.495			-0.124	0.439
Perfusion time (min)			-0.145	0.356			-0.188	0.250
Valve size			0.854	0.000			0.754	0.000
Severe insufficiency	117 (95.1%)	60 (98.4%)	-0.183	0.303	108 (95.7%)	54 (97.8%)	-0.121	0.526