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Table 3 Opioid consumption during the intraoperative period (mean values ± SD)

From: Regional analgesia techniques for effective recovery from coronary artery bypass surgeries: a retrospective study involving the experience of a single center

Opioids

Regional anesthesia ( +) (n:179)

Regional anesthesia (−) (n:41)

Morphine (mg)

4.3 ± 1.8*

8.3 ± 1.8

Tramadol (mg)

33.2 ± 21.4+

115.3 ± 67.3

Pethidine (µg)

0

0

  1. *p < 0.05 +p < 0.05