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Table 3 Operative characteristics and cardiopulmonary bypass (CBP) data

From: Transitioning to Del Nido cardioplegia for all-comers: the next switching gear?

  

UNMATCHED

  

MATCHED

 

DN (n = 131)

No.(%) or mean ± SD

CB (n = 251)

No.(%) or mean ± SD

p value

DN (n = 130)

% or mean ± SD

CB (n = 228)

% or mean ± SD

p value

Cross-Clamp Time (min)

81.1 ± 35.6

99.4 ± 41.2

< 0.0001

80.8 ± 35.5

102.2 ± 31.3

<0.0001

 Isolated CABG

64.6 ± 19.2

80.1 ± 24.1

< 0.0001

65.9 ± 4.6

85.8 ± 4.6

< 0.0001

 Valvular procedures

76.8 ± 30.3

82.0 ± 31.2

0.60

88.8 ± 17.9

110.3 ± 17.9

0.02

 CABG+Valvular procedures

104.3 ± 31.0

134.8 ± 41.4

0.05

106.7 ± 7.7

146.0 ± 7.7

0.001

 Others

95.3 ± 43.1

120.7 ± 45.6

0.002

113.8 ± 14.3

128.9 ± 14.0

0.24

 Isolated valve

91.9 ± 41.4(85)

N = 50/61

122.8 ± 43.2(123)

N = 79/91

< 0.0001

104.3 ± 9.4

127.9 ± 9.2

0.0005

 Multiple valve

126.7 ± 31.7(120)

N = 11/61

174.0 ± 43.2(179)

N = 12/91

0.0074

126.7 ± 10.9

167.6 ± 11.6

0.0179

CBP time (min)

106.3 ± 46.6

125.1 ± 49.6

0.0004

105.9 ± 46.5

131.2 ± 38.8

<0.0001

 Isolated CABG

81.6 ± 22.0

99.2 ± 28.0

0.0001

84.9 ± 7.6

109.3 ± 7.6

< 0.0001

 Valvular procedures

104.3 ± 34.1

113.1 ± 49.3

0.51

112.4 ± 16.1

136.7 ± 16.1

0.03

 CABG+Valvular procedures

127.8 ± 5.5

164.0 ± 47.3

0.04

132.4 ± 10.0

177.3 ± 10.0

0.001

 Others

127.6 ± 58.3

153.8 ± 52.4

0.008

149.3 ± 11.8

166.3 ± 11.8

0.31

 Isolated valve

124.0 ± 54.1(118)

N = 50/61

154.1 ± 51.7(152)

N = 79/91

0.0020

137.7 ± 11.2

160.3 ± 11.0

0.0089

 Multiple valve

157.7 ± 43.3(146)

N = 11/61

210.6 ± 46.4(206)

N = 12/91

0.0104

157.7 ± 12.9

205.4 ± 13.7

0.0192

Length of surgery ‘SkinSkin’ (min)

204.0 ± 65.5

236.4 ± 67.2

< 0.0001

203.1 ± 65.0

241.5 ± 54.7

<0.0001

 Isolated CABG

178.5 ± 32.7

212.0 ± 46.7

< 0.0001

183.7 ± 8.2

224.2 ± 8.2

< 0.0001

 Valvular procedures

198.8 ± 63.3

211.4 ± 83.7

0.59

205.7 ± 25.3

229.3 ± 25.3

0.19

 CABG+Valvular procedures

238.0 ± 94.5

270.8 ± 63.0

0.25

235.3 ± 15.2

286.2 ± 15.2

0.02

 Others

225.2 ± 75.9

267.0 ± 73.9

0.002

251.2 ± 15.2

293.4 ± 15.2

0.05

 Isolated valve

224.3 ± 85.6(215)

N = 50/61

262.5 ± 76.1(255)

N = 79/91

0.0092

240.0 ± 16.5

271.2 ± 16.2

0.0200

 Multiple valve

246.4 ± 53.1(230)

N = 11/61

304.9 ± 95.0(324)

N = 12/91

0.0861

246.4 ± 22.3

299.9 ± 23.7

0.1143

Retrograde cardioplegia

17(13.0)

76(31.3)

0.0001

13.1

38.0

<0.0001

Antegrade cardioplegia

130(99.2)

249(99.2)

1.0

99.2

98.9

0.81

Total cardioplegia dose (mL)a

1331 ± 876

3719 ± 1571

< 0.0001

1328 ± 879

3773 ± 1226

<0.0001

Minimal temperature on CPB(°C)

30.4 ± 3.2

31.1 ± 3.4

0.005

30.5 ± 3.2

30.8 ± 2.8

0.28

Glucose peak on CPB (mmol/l)

8.2 ± 2.3

8.8 ± 2.4

0.011

8.2 ± 2.3

9.0 ± 1.8

0.001

Glucose end CBP (mmol/l)

8.4 ± 2.6

8.2 ± 2.4

0.10

8.4 ± 2.7

8.9 ± 1.9

0.06

Glucose >10 end of CBP (mmol/l)

24(20.0)

62(26.2)

0.24

20.2

24.2

0.46

Transfusion in OR

48(36.6)

104(41.4)

0.38

36.2

42.7

0.27

Intraoperative Defibrillation

21 (16)

69 (27.5)

0.02

16.9

32.4

0.01

  1. aAll cardioplegia volumes shown in this text and tables are the total volume given to the patient, including the crystalloid and the blood components