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Incidence of residual neuromuscular blockade in children below 3 years after a single bolus of cisatracurium 0.1 mg/kg: A quality assurance study

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Background: The aim of this quality assurance study was to determine the proportion of patients with residual block (train-of-four (TOF) ratio <0.9) upon conclusion of surgery after a bolus of cisatracurium 0.1 mg/kg. It was considered good quality if less than 10% of the study population had residual block upon conclusion of surgery. Methods: A total of 40 patients ≤3 years of age scheduled for cleft lip and palate repair were consecutively enrolled. They received general anaesthesia with either sevoflurane and fentanyl (n = 20) or propofol and remifentanil (n = 20). TOF stimulation using acceleromyography was applied on the tibial nerve. Cisatracurium 0.1 mg/kg was administered to facilitate tracheal intubation. Results: Three patients (8%; 95% CI: 1.7-21) had a TOF ratio <0.9 at conclusion of surgery, all three receiving sevoflurane. In the sevoflurane group, this corresponded to 16% (95% CI: 3.3-40) of the patients. Mean duration of action of cisatracurium 0.1 mg/kg was 119 minutes (SD 40) with sevoflurane and 73 minutes (SD 29) during total intravenous anaesthesia (P <.001). Onset time of cisatracurium 0.1 mg/kg was 166 seconds (SD 37) with sevoflurane and 199 seconds (SD 60) during total intravenous anaesthesia. Conclusion: We found that 8% of the children had residual neuromuscular blockade (TOF ratio <0.9) after administration of a single bolus of cisatracurium 0.1 mg/kg but we cannot exclude that the true proportion is around 20%.

OriginalsprogEngelsk
TidsskriftActa Anaesthesiologica Scandinavica
Vol/bind64
Udgave nummer2
Sider (fra-til)168-172
Antal sider5
ISSN0001-5172
DOI
StatusUdgivet - 2020

ID: 236265624