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Table of Contents
CASE REPORT
Year : 2012  |  Volume : 28  |  Issue : 3  |  Page : 361-363

Infant with unanticipated difficult airway - Trachlight TM to the rescue


Department of Anaesthesiology, Maulana Azad Institute of Dental Sciences, Delhi, India

Date of Web Publication11-Jul-2012

Correspondence Address:
Alpna Jain
Maulana Azad Institute of Dental Sciences, Delhi
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-9185.98340

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  Abstract 

Lighted stylets may be used for assisting in oral intubation in both adult as well as pediatric age groups. We report the anesthetic management of an 11- month-old infant with fractured mandible where the airway was secured with tracheal lightwand-guided nasal intubation after the failure of repeated attempts of conventional laryngoscopy.

Keywords: Difficult airway, pediatric, trachlight


How to cite this article:
Jain A, Naithani M. Infant with unanticipated difficult airway - Trachlight TM to the rescue. J Anaesthesiol Clin Pharmacol 2012;28:361-3

How to cite this URL:
Jain A, Naithani M. Infant with unanticipated difficult airway - Trachlight TM to the rescue. J Anaesthesiol Clin Pharmacol [serial online] 2012 [cited 2019 Jun 26];28:361-3. Available from: http://www.joacp.org/text.asp?2012/28/3/361/98340


  Introduction Top


Unanticipated difficult pediatric airway often presents unique challenges. In the case of difficult direct laryngoscopy, oxygenation and ventilation can still be managed by supraglottic devices and most surgeries can proceed. Oral surgeries need better securing of the airway, and in most cases, a nasal endotracheal tube (ETT) is essential. We present the airway management of an infant in which we successfully accomplished light-guided nasal intubation using the Tracheal Lightwand, after failure of direct laryngoscopy guided nasal intubation.


  Case Report Top


An 11-month-old infant, weighing 9-kgs, presented with a one day history of facial trauma and subsequent pain and tenderness over the lower jaw. Radiological investigations revealed an undisplaced fractured symphysis of mandible and the child was scheduled for circum-mandibular wiring under general anesthesia. Airway examination revealed a normal neck extension. Mouth opening was judged while the child was crying and was found adequate. As the surgical procedure required an assessment of teeth occlusion, nasal intubation was necessary. Nasal patency was checked with a wisp of cotton placed against each nostril and the nostril with better airflow was chosen for intubation. A written informed consent was taken from the parents and adequate fasting was ensured preoperatively.

On the morning of surgery, prilocaine cream was applied on the dorsum of the left hand and after 45 min, an intravenous (IV) access was established. On arrival in the operation theatre, standard monitors were applied. The patient was premedicated with glycopyrrolate 0.1 mg and butorphanol 0.15 mg IV. Nasal decongestion was achieved by instilling 0.05% xylometazoline nasal drops through each nostril before attempting tube passage. After preoxygenation with 100% oxygen for 3 min, anesthesia was induced with propofol 20 mg IV and maintained with a 1:1 nitrous-oxide:oxygen mixture and 1% isoflurane. After ensuring adequate bag and mask ventilation (BMV), atracurium 4 mg IV was given for neuromuscular blockade. The nasal cavities were lubricated with lidocaine gel 2% and dilated progressively using nasopharyngeal airways size 3.0, 3.5, and 4.0 mm. After 3 min of BMV, a well-lubricated, uncuffed, 4-mm internal diameter (ID) flexo-metallic ETT was inserted through the more patent nostril to reach the oropharynx. Direct laryngoscopy revealed a Cormack-Lehane grade-4 view. Manipulation of the tip of the tube into the trachea with the help of Magill's forceps was attempted thrice, but was unsuccessful. Ventilation was resumed with the help of a facemask, and a pediatric TrachlightTM (Trachlight, Laerdal Medical, Armonk, NY) was loaded with the same ETT, for light-guided nasal intubation. The stylet was gently bent to an angle of 90°, at a distance from the tip approximately conforming to the distance between the tragus and the thyroid cartilage. The loaded Trachlight TM was inserted through the more patent nostril and pushed straight down to the distance between the nares and the tragus (corresponding to the posterior pharyngeal wall) and then rotated anteriorly. Almost immediately, a bright glow was observed above the thyroid cartilage prominence. The rigid stylet was retracted and the ETT was slid into the trachea and confirmed by capnography. The whole procedure could be accomplished within 30 s and there was no desaturation. After securing the ETT, the surgery proceeded uneventfully. The balance operative period was unremarkable. The child was observed for the next few days for any airway related complications before being discharged home.


  Discussion Top


Surgical repair of maxillofacial trauma requires nasal intubation most of the times. It can be accomplished in various ways namely direct laryngoscopy, blind nasal intubation, flexible fiberoptic bronchoscopy (FFB), lighted stylet and retrograde intubation amongst others. Most anesthesiologists are comfortable with direct laryngoscope guided nasal intubation in the presence of adequate mouth opening. FFB-guided intubation is considered the gold standard for managing difficult airway, but has limitations in difficult pediatric airway, as FFB of smaller sizes are not available in every institute. The pediatric FFB is thinner and its use may result in difficulty in passing an ETT over the FFB into the trachea because of two reasons: first, the ETT may get caught on the epiglottis, arytenoids folds, or corniculate cartilages, [1],[2] and second, a thin FFB is more pliable than its adult counterpart and may bend at the laryngeal aperture. The FFB may thus flip out of the trachea and be forced into the esophagus when the ETT is advanced. Retrograde intubation is not an easy procedure in a small child, as landmarks are not easily identifiable. [3],[4]

In the patient described, difficult airway was recognized only after administering the neuromuscular blocking agents. As the appropriate-sized FFB for infants was not available, this difficult airway was dealt with the Trachlight TM . Lightwand-guided intubation is a simple technique in which an illuminated stylet is introduced into the ETT and the tip of the tube is directed into the trachea guided by transillumination of neck tissue. [5] The TrachlightTM is a modification of the Lightwand, which was in use earlier. Since the introduction of the Lightwand by Yamamura in 1959, several intubation devices based on transillumination have been developed. [6] The Trachlight TM was introduced by Hung in 1995 and its use is easier as compared to previous devices. [7] It is not much affected by secretions or blood and can be cleaned and sterilized readily. It can be easily transported to remote settings. Although there are several reports on its efficacy in difficult airway, [8],[9],[10],[11] there is limited literature on its use in children. Xue et al., reported four cases posted for ear reconstruction in which laryngoscope-guided intubation could not be done due to craniofacial abnormalities. They managed all the cases with Trachlight TM guided orotracheal intubation. [12] Quentin et al., studied 125 children under the age of 10 years and they found that the Trachlight TM can be used successfully even by novice users. [13] In small children, transillumination of the soft tissues of the anterior neck is superior to that in adults and a relatively bright glow on the anterior neck may appear like a tracheal glow even in esophageal placement, particularly in infants. The Trachlight TM should not be forced against any resistance and is not appropriate when intrinsic laryngeal abnormalities are present, or when neck anatomy precludes transillumination.

In conclusion, Trachlight TM guided nasotracheal intubation may be an alternative and aid to secure airway in small children. The much lower cost [14],[15] of the device as compared to the FFB makes it a lucrative choice in most circumstances.

 
  References Top

1.Walker RW. The management of difficult airway in children. J R Soc Med 2001;94:341-4.  Back to cited text no. 1
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2.Frei FJ, Ummenhofer W. Difficult Intubation in Paediatrics. Paediatr Anaesth 1996;6:251-63.  Back to cited text no. 2
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3.Seefelder C, Kenna M. Don't rely on the surgical airway: A case of impossible tracheostomy. Paediatr Anaesth 2000;10:224.  Back to cited text no. 3
    
4.Audenaert SM, Montgomery CL, Stone B, Akins RE, Lock RL. Retrograde-assisted fibreoptic intubation in children with difficult airway. Anesth Analg 1991;73:660-4.  Back to cited text no. 4
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5.Hung OR, Stewart RD. Lightwand intubation: I - a new lightwand device. Can J Anaesth 1995;42:820-5.  Back to cited text no. 5
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6.Yamamura H, Yamamoto T, Kamiyama M. Device for blind nasal intubation. Anesthesiology 1959;20:221-2.  Back to cited text no. 6
    
7.Hung OR, Pytka S, Morris I, Murphy M, Launcelott G, Stevens S, et al. Clinical trial of a new lightwand device (Trachlight) to intubate the trachea. Anesthesiology 1995;83:509-14.  Back to cited text no. 7
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8.Favaro R, Tordiglione P, Di Lascio F, Colagiovanni D, Esposito G, Quarranta S, et al. Effective nasotracheal intubation using a modified transillumination technique. Can J Anaesth 2002;49:91- 5.  Back to cited text no. 8
    
9.Inoue Y, Koga K, Shigematsu A. A Comparison of two tracheal intubation techniques with Trachlight and Fastrach in patients with cervical spine disorders. Anesth Analg 2002;94:667-9.  Back to cited text no. 9
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10.Iseki K, Watanabe K, Iwama H. Use of the Trachlight in the Pierre-Robin Syndrome. Anaesthesia 1997;52:801-2.  Back to cited text no. 10
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11.Gille A, Komar K, Schimdt E, Alexander T. Transillumination technique in difficult intubations in heart surgery. Anasthesiol Intensivmed Notfallmed Schmerzther 2002;37:604-8.  Back to cited text no. 11
    
12.Xue FS, Yang QY, Liao X, He N, Liu HP. Lightwand guided intubation in paediatric patients with a known difficult airway: A report of four cases. Anaesthesia 2008;63:520-5.   Back to cited text no. 12
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13.Quentin A, Fisher QA, Tunkel DE. Lightwand intubation of infants and children. J Clin Anesth 1997;9:275-9.  Back to cited text no. 13
    
14.Davis L, Cook-Sather SD, Schreiner MS. Lighted stylet tracheal intubation: A Review. Anesth Analg 2000;90:745-56.  Back to cited text no. 14
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15.Mehta AC, Curtis PS, Scalzitti ML, Meeker DP. The high price of bronchoscopy. Maintenance and repair of the flexible fibreoptic bronchoscope. Chest 1990;98:448-54.  Back to cited text no. 15
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This article has been cited by
1 Response to “Lightwand-guided nasotracheal intubation in oromaxillofacial surgery patients”
Y. Dong,G. Li,R. Su
International Journal of Oral and Maxillofacial Surgery. 2014;
[Pubmed] | [DOI]



 

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