Comparison between levosimendan versus beta agonists in preservation of renal function in cardiac surgery patients with low cardiac output syndrome | ||
| Egyptian Journal of Anaesthesia | ||
| Volume 39, Issue 1, December 2023, Pages 384-394 PDF (643.6 K) | ||
| DOI: TEJA-2023-0003 | ||
| Authors | ||
| Salwa Omar Elkhattab; Zakaria Abdelaziz Mustafa; Mohamed Mohamed Kamal; Gamal Saad Abdelhamid Hassab | ||
| Abstract | ||
| Background Post cardiac surgery acute kidney injury (AKI) secondary to postoperative low cardiac output syndrome (LCOS), is a serious complication. Positive inotropic agents are the main line of treatment for LCOS with different degrees of improvement of cardiac function & nephroprotective efficacy Levosimendan is a calcium sensitizer in cardiac muscles, which has a comparable positive inotropic and nephroprotective effects to that of classic beta2 agonists. Objective To evaluate the possible nephroprotective effect of levosimendan as compared to beta agonists in cardiac surgery patients with LCOS. Patients and Methods It is a prospective, randomized and comparative study conducted at Ain Shams University Hospitals over the period from December 2020 to May 2021. A total of 60 patients with post cardiac surgery low cardiac output syndrome were divided into two groups of 30 patients each. Group A (control) received beta-agonists (dobutamine or adrenaline) and Group B (study) received levosimendan. The incidence of AKI at the diagnosis of LCOS & its progression to renal failure in both groups were assessed. Results The incidence of AKI at diagnosis of LCOS postoperative was 30% (n = 9) in each group; 44% of them in the control group (n = 4) developed renal failure at discharge from ICU and none of the study group patients developed renal failure at discharge. At the time of discharge from ICU, the incidence of renal failure in beta-agonist group was 13.3%, while the incidence in the levosimendan group was 0% with statistically significant P value of 0.038. Conclusion In comparison to beta-agonists, Levosimendan may have a better nephroprotective effect that plays a role in decreasing the incidence of kidney failure in patients with post cardiac surgery LCOS. A larger randomized, controlled trials are recommended to prove such a beneficial nephroprotective effect and its exact mechanism. | ||
| Keywords | ||
| acute kidney injury (AKI); low cardiac output syndrome (LCOS); Levosimendan; cardiac surgery; Renal Protection; positive inotropes | ||
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