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Table 2 Logistic regression analysis of factors associated with lactic acidosis after valvular heart surgery involving cardiopulmonary bypass

From: Sufentanil: a risk factor for lactic acidosis in patients after heart valve surgery

Variable

OR

95% CI

P value

EF (%)

0.94

0.89–0.97

0.003

Aortic occlusion time (95%) (min)

10.17

3.86–26.75

 < 0.001

Relative sufentanil infusion rate (µg kg−1 h−1)

2.23

1.26–3.93

0.01

  1. Input variables: EF, Preoperative left ventricle (end-diastolic diameter cm), Aortic occlusion time (95%) (min), Cardiopulmonary bypass time (95%) (min), Total sufentanil dosage (µg) and sufentanil relative infusion rate (µg kg−1 h−1)
  2. Sufentanil relative infusion rate = (total sufentanil/operative time [min]/body weight) × 60
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Journal of Cardiothoracic Surgery

ISSN: 1749-8090

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