• Eur J Anaesthesiol · Aug 2014

    Observational Study

    Residual neuromuscular block in type II diabetes mellitus after rocuronium: A prospective observational study.

    • Ignacio Armendáriz-Buil, Félix Lobato-Solores, Luciano Aguilera-Celorrio, Emilio Morros-Díaz, Enrique Fraile-Jiménez, and Jorge Vera-Bella.
    • From the Department of Anesthesiology, Resuscitation, and Pain Management, Hospital San Jorge, Huesca (IA-B, EM-D, JV-B), Department of Anesthesiology, Surgical Intensive Care, and Pain Management, Hospital San Pedro, Logroño (FL-S, EF-J), Department of Anesthesiology and Critical Care, Hospital Universitario Basurto, Bilbao, and Departments of Radiologic Surgery and Physical Medicine, University of Basque Country, Vizcaya, Spain (LA-C).
    • Eur J Anaesthesiol. 2014 Aug 1;31(8):411-6.

    BackgroundDiabetes mellitus causes motor nerve dysfunction and degeneration that may alter the response to neuromuscular blocking drugs.ObjectiveTo analyse the risk of residual neuromuscular block (RNMB) induced by rocuronium given in standard doses to patients with type 2 diabetes mellitus (T2DM).DesignA prospective, observational study.SettingsHospital San Jorge, Huesca and Hospital San Pedro, Logroño, Spain, from December 2011 to June 2012.PatientsT2DM patients with no diabetic neuropathy or neurological symptoms (n = 32) and healthy controls (n = 39).InterventionAll participants received a single dose of rocuronium 0.6 mg kg. Neuromuscular block was monitored throughout surgery until a train of four (TOF) ratio of at least 0.9 was achieved.Main OutcomeTime from rocuronium injection to a TOF ratio of at least 0.9 (DURTOF90).Secondary OutcomesTime to reappearance of T1, T2, T3 and T4 of TOF; glycosylated haemoglobin values (HbA1c); correlation between blood glucose control and DURTOF90 in the group of diabetic patients.ResultsNo significant differences in age, weight, renal function or other characteristics interfering with neuromuscular block were seen between T2DM patients and controls. DURTOF90 was significantly longer in the group of T2DM patients than in the controls (109.86 vs. 84.77 min, P = 0.001). Times to reappearance of T1, T2, T3 and T4 of TOF were also significantly longer in the T2DM group. No correlation was found between HbA1C and DURTOF90 values. In addition, DURTOF90 did not appear to be related to elevated blood glucose levels.ConclusionDiabetic patients, even in the absence of complications, have an increased risk of RNMB after rocuronium administration compared with those without diabetes. Poorer glycaemic control of diabetes does not appear to increase the risk. Appropriate dose and vigilant monitoring of the neuromuscular blocker is helpful in patients with T2DM.

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