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Rocuronium combined with i.v. lidocaine for rapid tracheal intubation

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Rocuronium (ORG 9426) has been shown to have an onset of action more rapid than other nondepolarizing neuromuscular blocking agents and to provide intubating conditions similar to those of succinylcholine 60–90 s after administration. We compared the intubating conditions and hemodynamic changes after the administration of rocuronium 0.6 mg kg−1 and lidocaine 1.5 mg kg−1 with rocuronium alone and succinylcholine 60 and 90 s after administration. Methods:

One hundred and twenty-five adult patients of ASA physical status I or II scheduled for elective surgery were randomly divided into five groups. After propofol administration in all patients, patients in group Su (succinylcholine), group R60 (rocuronium) and group RL60 (rocuronium-lidocaine) were intubated within 60 s, while groups RL90 and R90 were intubated 90 s after the administration of rocuronium and succinylcholine. Laryngoscopy was performed and intubating conditions were graded by an experienced anesthetist blind to the muscle relaxant allocation. Results:

In this study, groups Su, RL60, R90 and RL90 had similar intubation scores, which were significantly better than that for group R60. Heart rate did not increase after intubation in groups Su, RL60 and RL90. Conclusion:

The combination of lidocaine (1.5 mg kg−1) and low-dose rocuronium (0.6 mg kg−1) along with propofol is clinically equivalent to succinylcholine, improves intubating conditions in 60 s and effectively blocks increases in heart rate after intubation.

Keywords: Anesthesia; anesthetic technique; general; lidocaine; local anesthetic; neuromuscular relaxants; rapid sequence induction; succinylcholine, rocuronium

Document Type: Research Article


Affiliations: Department of Anesthesiology and Intensive care, Faculty of Medicine, University of Ankara, Ankara, Turkey

Publication date: May 1, 2003


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