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Table 3 One minute systemic circulation arrest (OSCA)

From: Short-term outcomes of modified Y-graft technique in acute type a aortic dissection using the femoral artery bypass and one minute systemic circulatory arrest technique

Variates

Modified Y-Graft techniques utilizing Femoral artery bypass (without OSCA, n = 23)

Modified Y-Graft techniques utilizing Femoral artery bypass (with OSCA, n = 28)

P value

Preoperative characteristics

 Age, years

46.5 ± 11.8

46.1 ± 8.3

P > 0.05

 Male sex

(n = 20)87.0%

(n = 22)78.6%

P > 0.05

 Weight, Kg

80.5 ± 13.4

80.8 ± 12.6

P > 0.05

 Marfan syndrome

(n = 2)8.7%

(n = 2)7.1%

P > 0.05

 Aortic valve regurgitation

(n = 10)43.5%

(n = 8)28.6%

P > 0.05

 Diabetes mellitus

(n = 1)4.3%

(n = 0)0%

P > 0.05

 Smoking, past or current

(n = 20)87.0%

(n = 21)75.0%

P > 0.05

 Hypertension

(n = 22)95.7%

(n = 26)92.9%

P > 0.05

 Renal dysfunction

(n = 1)4.3%

(n = 2)7.1%

P > 0.05

 Pulmonary disease

(n = 1)4.3%

(n = 0)0%

P > 0.05

Operative variables

 Perfusion and ischemic times, minutes

  Cardiopulmonary bypass

236 (200–290)

204 (169–246)

P < 0.05

  Systemic circulatory arrest

20.6 ± 6.9

1.6 ± 1.1

P < 0.05

  Aortic clamp

105 ± 25.7

92.9 ± 35.2

P > 0.05

  Cerebral circulatory arrest

0

0

NA

  Skin-to-skin time

486 ± 51.3

432 ± 40.5

P > 0.05

  Lowest nasopharyngeal temperature, °C

28

32

NA

  Concomitant aortic valve replacement

(n = 8)34.8%

(n = 3)10.7%

P < 0.05

  Concomitant coronary artery bypass

(n = 3)13.0%

(n = 1)3.6%

P > 0.05

Outcomes

 Operative mortality

(n = 2)8.7%

(n = 2)7.1%

P > 0.05

 neurologic dysfunction

(n = 3)13.0%

(n = 1)3.6%

P > 0.05

 Respiratory support

>2 days (n = 15)65.2%

>2 days (n = 10)35.7%

P < 0.05

>5 days (n = 8)34.8%

>5 days (n = 3) 10.7%

P < 0.05

Acute renal failure

(n = 5) 21.7%

(n = 1)3.6%

P < 0.05

  1. NA not available. Data are reported as mean ± SD, median (interquartile range), or number (%)