Bratislavske lekarske listy · 2019
The alpha-2 receptor agonist dexmedetomidine attenuates vancomycin‑induced acute kidney injury.
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Bayram A, Erkan G N, Talih G, Baskol G, Deniz K, Yildiz K, Esmaoglu A
Аннотация
OBJECTIVE: This study was conducted to evaluate the protective effect of dexmedetomidine on nephrotoxicity and the mechanism of renoprotection following vancomycin-induced nephrotoxicity in rats.
METHODS: Thirty-two albino Wistar rats were divided into four groups. The control group received intraperitoneal (IP) physiological saline solution, the vancomycin (VMC) group received IP 200 mg/kg vancomycin, the dexmedetomidine (DEX) group received IP 5 µg/kg dexmedetomidine, and the vancomycin and dexmedetomidine (VMC+DEX) group received IP 200 mg/kg vancomycin followed by IP 5 µg/kg dexmedetomidine 20 min after the vancomycin injection. On the 8th day of the experiment, histopathological and biochemical parameters were assessed.
RESULTS: Creatinine levels were significantly higher in VMC and VMC+DEX groups. The endothelin-1 level was significantly higher in VMC group. Nitric oxide levels were statistically lower in VMC and VMC+DEX groups. Histopathologic assessments revealed that the extent of renal damage was significantly higher in group VMC (n = 4 with damage of Grade 3) compared to group VMC+DEX (n = 0 with damage of Grade 3).
CONCLUSION: It was determined that dexmedetomidine can reduce the extent of renal damage by preventing the elevation of vasoconstrictor agents (Tab. 2, Fig. 1, Ref. 36).
METHODS: Thirty-two albino Wistar rats were divided into four groups. The control group received intraperitoneal (IP) physiological saline solution, the vancomycin (VMC) group received IP 200 mg/kg vancomycin, the dexmedetomidine (DEX) group received IP 5 µg/kg dexmedetomidine, and the vancomycin and dexmedetomidine (VMC+DEX) group received IP 200 mg/kg vancomycin followed by IP 5 µg/kg dexmedetomidine 20 min after the vancomycin injection. On the 8th day of the experiment, histopathological and biochemical parameters were assessed.
RESULTS: Creatinine levels were significantly higher in VMC and VMC+DEX groups. The endothelin-1 level was significantly higher in VMC group. Nitric oxide levels were statistically lower in VMC and VMC+DEX groups. Histopathologic assessments revealed that the extent of renal damage was significantly higher in group VMC (n = 4 with damage of Grade 3) compared to group VMC+DEX (n = 0 with damage of Grade 3).
CONCLUSION: It was determined that dexmedetomidine can reduce the extent of renal damage by preventing the elevation of vasoconstrictor agents (Tab. 2, Fig. 1, Ref. 36).