The Efficacy and Outcome of Ministernotomy Compared to Those of Standard Sternotomy for Aortic Valve Replacement

Table 2

The intraoperative parameters in both groups.

Intra-OP	Aortic valve replacement	Aortic valve replacement	𝑃 value
	Minithoracotomy (𝑛=44)	Sternotomy (𝑛=303)
Cross-clamp time (min)	91.9±28.3	98.0±31.9	0.23
Perfusion time (min)	128.9±46.9	130.8±45.9	0.80
Longest ischemic interval (min)	23.6±4.42	25.0±8.17	0.30
Total volumen cardioplegic solution (mL)	3689.9±3654.9	3191.7±3069.4	0.37
Total volume cell saver (mL)	339.3±147.5	434.3±251.0	0.0438*
Cardioversion	18 (40.9%)	154 (50.8%)	0.26
Cerebral O2 saturation (%)	57.1±8.48	60.4±11.7	0.33
Highest lactate (mmol/L)	1.85±0.95	2.79±12.4	0.64
Hematocrit after cardiopulmonary bypass (%)	25.2±3.70	26.8±18.9	0.61
Red blood cell units	9 (20.5%)	94 (31%)	0.16
Platelet units	3 (6.8%)	34 (11.2%)	0.60
Fresh frozen plasma units	1 (2.2%)	23 (7.6%)	0.34
Cryoprecipitate units	1 (2.2%)	6 (2%)	1.00