• Nevena Kalezić, Biljana Krivić, Vladan Živaljević, Djordje Ugrinović, Dijana Jovanović, Dejan Marković, Jelena Veličković, and Nebojša Ladjević.
• Srp Ark Celok Lek. 2011 Nov 1;139(11-12):765-71.

IntroductionAnaesthesia affects kidney function by reducing the renal blood flow and glomerular filtration rate. As chronic renal failure (CRF) significantly influences drug metabolism and elimination, we studied the effects of rocuronium bromide (RB) in patients with CRF.ObjectiveThe aim of the study was to examine whether, when using RB in patients with CFR, there are differences regarding the onset time of neuromuscular block (NMB) development, duration time, speed of recovery and cumulative effects of RB.MethodsProspective study included 60 patients who underwent urologic surgery procedures. The patients were divided into 3 groups: the first group (G1)--20 patients with CRF and residual dieresis, the second group (G2)--20 patients with CRF and without dieresis, and third group (G3)--20 patients with normal renal function (control group). During surgery RB was administrated for muscle paralysis in all patients. Train-of-four (TOF) Guard acceleromyography was used for NMB monitoring.ResultsOnset time in three groups was 132.3 s; 139.5 s and 113.2 s (p < 0.01). Duration of intubation dose was the same in G1 and G2 (28.9 minutes), while in the third group it was 27.2 minutes (p > 0.05).The number of RB repeated doses was 3-8, 3-7 and 4-8 (p > 0.05). The duration time until spontaneous recovery was 31.8, 31.6 and 29.8 minutes (p > 0.01). The recovery index was 16.8,16.7 and 10.6 minutes (p < 0.001). The duration time from the last dose of RB to extubation was 74.5, 74.8 and 58.9 minutes (p < 0.001).ConclusionIn patients with CRF the cumulative effect of the drug was registered, with a prolonged recovery time from NMB in relation to the patients with normal renal function.

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