Evaluation of the effectiveness of glutamine in different times of administration in patients undergoing cardiopulmonary bypass during elective cardiac surgeries: randomized controlled study | ||||
| The Egyptian Journal of Cardiothoracic Anesthesia | ||||
| Volume 12, Issue 1, January 2018 PDF (746.25 K) | ||||
| DOI: 10.4103/ejca.ejca_4_16 | ||||
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| Authors | ||||
| Heba M. Fathi; Samar M. Mowafy; Khalid M. Helmy | ||||
| Abstract | ||||
| Background Although glutamine (GLN) is considered one of the pharmacological preconditioning proteins in cardiac surgeries, there is no consensus in literatures regarding the ideal time of administration. This randomized, double-blinded comparative study compared the effectiveness of GLN administration at two different time points in patients undergoing cardiopulmonary bypass. Patients and methods A total of 75 patients were randomly distributed into three equal groups: group 1 received GLN for 3 days preoperatively, group 2 received GLN at the day of surgery starting at the induction of anesthesia, whereas group 3, the control group, did not receive GLN. Results There was a significant decrease in troponin I at 6, 24, and 48 h (=0.03, 0.02, and 0.04, respectively), creatine kinase-MB at 24 and 48 h (=0.04 and 0.04, respectively), incidence of inotrope usage (=0.019), incidence of arrhythmias (=0.02), and ICU stay (=0.04), whereas significant increase in ejection fraction and blood pressure in GLN-treated groups (groups 1 and 2). The time of administration did not significantly affect the results between group 1 and group 2. Conclusion GLN enhances myocardial protection. The time of administration did not significantly affect the results, so administration at induction of anesthesia is well tolerated and feasible. | ||||
| Keywords | ||||
| Cardioprotection; Glutamine; Preconditioning; Cardiopulmonary bypass | ||||
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