Fig 1 - uploaded by Fu Shan Xue
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The endotracheal tube with the MADett TM device is loaded into the lateral channel of the Airtraq Ò laryngoscope, and a 5-mL luer-locked syringe prefilled with 2% lidocaine is connected to the distal end of the MADett TM device
Context in source publication
Context 1
... flexible cannula of the MAD- ett TM was inserted into the ETT with its tip close to but not protruding beyond the distal end of the ETT. By mounting an elbow connector, the MADett TM was joined to the connector of the ETT. A 5-mL luer-locked syringe prefilled with a liquid solution of 2% lidocaine was connected to the distal end of the MADett TM (Fig. ...
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Objective:
To investigate the effects of lidocaine oropharyngeal spray applied before endotracheal intubation on hemodynamic responses and electrocardiographic parameters in patients undergoing coronary artery bypass grafting.
Methods:
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Citations
... In clinical practice, pharynx, larynx, and trachea are usually anesthetized with local anesthetic sprays using various devices, especially in patients with difficult airways. [16][17][18][19] Local anesthetic agents may have detrimental effects on upper airway muscles, which are potent dilators and tensors of the pharyngeal and laryngeal structures. Neural efferents from pressure receptors in the wall of the upper airways also participate in this regulation. ...
Objective
This study was designed to evaluate the effectiveness of topical lidocaine in attenuating the laryngeal reflex and blunting hemodynamic response by inhibition of the superior laryngeal nerve in laryngeal microsurgery, which would be helpful in preventing potential complications.Study DesignA prospective, randomized, double-blind study.SettingTertiary medical center.Subjects and Methods
Fifty-four patients requiring glottic and supraglottic laryngeal microsurgery were randomly assigned to 1 of 2 groups, with equal numbers. Before surgery, 10% lidocaine was topically applied to the laryngeal surface of the epiglottis and vocal folds under direct vision in the study group and saline aerosol was applied in the control group. Heart rates, arterial blood pressure, and SPO2 were recorded at baseline, after induction, immediately before and after intubation, during the surgery, and upon extubation. Laryngospasm, agitation, and coughing were recorded during the recovery period.ResultsHeart rates, arterial pressure, and SPO2 did not differ significantly from baseline to postintubation period among the groups. SPO2 values measured similar in the remaining study. Heart rates and blood pressures were slightly decreased in the study group after lidocaine administration, but only blood pressure at pre- and post-extubation was significantly decreased in the study group (P < .05). Also laryngospasm and coughing were not statistically different between the 2 groups. There was an obvious gap between the 2 groups for agitation. Study group agitation was noted significantly lower (P < .05).Conclusion
These findings indicate that preoperative topical lidocaine application may be helpful in attenuating airway-circulatory reflexes in laryngeal microscopic surgery.
... We have used the device for conventional intubation, in rapid sequence intubation, and for awake intubation. [2][3][4][5] We have found the following measures to be helpful when tracheal intubation with the ATQ. First, the appropriately sized ATQ and tracheal tube should be selected. ...
