Skip to main content

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

VariatesModified 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, years46.5 ± 11.846.1 ± 8.3P > 0.05
 Male sex(n = 20)87.0%(n = 22)78.6%P > 0.05
 Weight, Kg80.5 ± 13.480.8 ± 12.6P > 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 bypass236 (200–290)204 (169–246)P < 0.05
  Systemic circulatory arrest20.6 ± 6.91.6 ± 1.1P < 0.05
  Aortic clamp105 ± 25.792.9 ± 35.2P > 0.05
  Cerebral circulatory arrest00NA
  Skin-to-skin time486 ± 51.3432 ± 40.5P > 0.05
  Lowest nasopharyngeal temperature, °C2832NA
  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 (%)