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. 2015 Aug 22;5(4):e23501.
doi: 10.5812/aapm.23501v2. eCollection 2015 Aug.

Topical Versus Intravenous Lidocaine in Children With Upper Respiratory Infection Undergoing Anesthesia: A Randomized, Double Blind, Clinical Trial

Babak Gharaei  1 , Alireza Jafari  1 , Mahtab Poor Zamany  1 , Mohammadreza Kamranmanesh  1 , Homayoun Aghamohammadi  1 , Fatemeh Roodneshin  1 , Houman Teymourian  1 , Yasmin Khazaie  1 , Payman Dadkhah  1
Affiliations

Topical Versus Intravenous Lidocaine in Children With Upper Respiratory Infection Undergoing Anesthesia: A Randomized, Double Blind, Clinical Trial

Babak Gharaei et al. Anesth Pain Med. .

Abstract

Background: The current randomized double-blind clinical trial aimed to compare the incidence of post-operative cough with intravenous vs. topical lidocaine in children with mild upper respiratory infection (URI) anesthetized with laryngeal mask airway (LMA) in the university-affiliated medical center.

Objectives: To assess the incidence of adverse respiratory event including cough, apnea, laryngospasm, bronchospasm following two different methods of lidocaine administration in anesthetized children with mild URI.

Patients and methods: One hundred and thirty pediatric patients with mild URI (within the previous two weeks) aged between one and six years were enrolled. They were candidates to undergo immediate full ophthalmic examination, and randomly divided into two groups of 65to receive intravenous (1.5 mg/kg) or topical lidocaine on LMA. Anesthesia was induced with sevoflurane, subsequently LMA was inserted when the patient was in deep anesthesia status and maintained on (50% N2O, 50% O2) and 3% sevoflurane. Spontaneous ventilation was maintained throughout the procedure and LMA was removed in deep anesthesia. Outcomes (cough, laryngospasm, bronchospasm and vomiting) were evaluated peri-operatively and one day post-operation.

Results: One hundred and twenty four patients fulfilled the trial. Cough (primary outcome) was significantly more frequent among those with topical compared with intravenous lidocaine (46% vs. 26%; P = 0.004). The incidence of laryngospasm (32% vs. 27%), bronchospasm (18% vs. 12%), desaturation (18% vs. 12%) and vomiting (5% vs. 2%) was not statistically different between the groups.

Conclusions: The pediatric patients undergoing general anesthesia with LMA with intravenous lidocaine experienced fewer incidence of postoperative cough compared to the ones in the topical lidocaine group.

Keywords: Anesthesia; Child; Lidocaine; Respiratory Tract Infection.

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Figures

Figure 1.
Figure 1.. Flow Diagram Showing Patient Selection, Randomization and Exclusion
See this image and copyright information in PMC

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