Abstract
IntroductionWorking on the institutional Enhanced Recovery After Surgery (ERAS Cardio) protocol for off-pump coronary artery bypass graft surgery (OP-CABG) we have noticed that patients treated according to the modified anesthesia protocol had not only significantly shorter time of respiratory support and intensive care unit stay but also lower postoperative troponin T concentration than patients who had standard fentanyl/sevoflurane-based anesthesia.AimTo compare the perioperative course of patients undergoing OP-CABG surgery and receiving standard fentanyl/sevoflurane anesthesia and those anesthetized according to the institutional ERAS Cardio protocol with remifentanil, sevoflurane, and bilateral extensor spinae plane (ESP) block.Material and methodsDesign: a prospective, open-label, observational study performed in a tertiary health center. Participants: 30 consecutive patients undergoing off-pump coronary bypass graft surgery. Interventions: 15 patients had standard anesthesia with etomidate, fentanyl, and rocuronium for induction and fentanyl/sevoflurane for maintenance (standard group); 15 others had bilateral single shot ESP block, then etomidate, remifentanil and rocuronium for induction, and remifentanil/sevoflurane for maintenance of anesthesia.ResultsMedian time to extubation was 7.6 (5.5–12.5) h and 1.7 (1–3.25) h in “standard care” and ERAS groups, respectively (p = 0.00002). Length of stay in the intensive care unit was also shorter for patients in the ERAS group 20.5 (18–24) vs. 48 (42–48) h (p = 0.00001). Troponin concentration increased to a lesser extent in patients from the ERAS group: an increase of 151.8 (71.9–174.3) ng/ml vs. 253.8 (126.6–373.1) ng/ml, p = 0.008.ConclusionsRemifentanil/sevoflurane anesthesia combined with bilateral ESP block shortens mechanical ventilation time and ICU stay, and decreases postoperative troponin-T concentration in patients undergoing off-pump coronary bypass graft surgery.
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