evaluation the reversal of neuromuscular blocking by sugammadex versus neostigmine through assessing the residual neuromuscular blocking effect by ultrasound imaging of expiratory muscle strength and diaphragmatic excursion.
All patients will be assessed preoperatively by careful history taking (history of allergy to rocuronium, neostigmine, or sugammadex), full medical history taking , ASA classification and surgical history Premedication with 2mg midazolam. Anesthesia will be induced with propofol 1-2 mg /kg and fentanyl 1-2 mic/kg. After calibration of TOF (train of four) rocuronium 0.6 mg/kg will be administered, and tracheal intubation will be performed in the absence of train-of four (TOF) count. Rocuronium 0.15mg/kg and Sevoflurane will be used for maintenance of anesthesia. At the end of the surgery, patients in group A will receive sugammadex (2 mg/kg) and patients in group B will receive neostigmine (50 μg/kg, maximum 5 mg) combined with atropine (25 μg/kg, maximum 2.5 mg) after TOF counts at least exceeding 1 and extubation will be performed in the operating room when the patient is fully awake and fulfilled clinical criteria for extubation. Diaphragm excursion (DE), reflecting the expiratory and inspiratory muscle strength, respectively, will be measured via ultrasonography.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
QUADRUPLE
Enrollment
60
patients will be randomly divided into two groups using a computer generated random number chart. Group S will receive sugammadex for reversal of rocuronium, whereas Group N will receive neostigmine for reversal of rocuronium using nerve stimulation and ultrasound to asses recovery of respiratory muscle
Faculty of Medicine, Ain Shams University
Cairo, Egypt
effect of sugammadex and neostigmine on reversal of rocuronium
complete recovery of skeletal muscle assesed by train of four and diaghragmatic excursion by ultrasuond automatically recorded utilizing the TOF monitoring TFIO and diaphragm excursion (DE), reflecting the expiratory and inspiratory muscle strength, respectively, will be measured via ultrasonography (Sonosite M-Turbo) at 3 predefined time points: before induction (baseline levels), TOFR ≥0.9 (postextubation), and after 30 minutes in the PACU.
Time frame: 4 hours
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