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 Table of Contents    
LETTER TO EDITOR
Year : 2011  |  Volume : 55  |  Issue : 5  |  Page : 546-547  

Fibreoptic-aided retrograde intubation: Is it useful to combine two techniques?


Department of Anesthesiology and Intensive Care, Lady Hardinge Medical College, New Delhi, India

Date of Web Publication14-Nov-2011

Correspondence Address:
Preeti Goyal Varshney
BB-30A, Janak Puri, New Delhi - 110 058
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5049.89908

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How to cite this article:
Varshney PG, Kachru N. Fibreoptic-aided retrograde intubation: Is it useful to combine two techniques?. Indian J Anaesth 2011;55:546-7

How to cite this URL:
Varshney PG, Kachru N. Fibreoptic-aided retrograde intubation: Is it useful to combine two techniques?. Indian J Anaesth [serial online] 2011 [cited 2019 Sep 17];55:546-7. Available from: http://www.ijaweb.org/text.asp?2011/55/5/546/89908

Sir,

I congratulate Das et al. for the successful airway management in a patient of oral cancer using fibreoptic bronchoscope for retrograde intubation. [1] I feel that there are certain facts about this technique that need to be discussed.

Firstly, although flexible fibreoptic bronchoscopy requires more skill than the retrograde intubation, yet it is the established method of choice for coping with difficult tracheal intubation. [2],[3] Retrograde intubation is also a very useful technique and has been included in the difficult airway algorithm, but it is a complex, unfamiliar technique that requires practice. The reason for rare teaching and practice is the perceived invasive nature of this procedure. Training methods such as audio-visual materials, manikin simulators and cadavers have been suggested for training in retrograde intubation. [4] Moreover, some operator skill with fibreoptic scope is also required for finding and negotiating the larynx to reach the trachea while performing fibreoptic-aided retrograde intubation. [5] Thus, the combination of the two techniques requires skill for both the procedures.

Secondly, the use of the suction channel of the fibreoptic scope to guide it over a retrograde guide is dependent on a dry field for vision. [5] As the author performed this technique in a patient of oral cancer, the retrieval of guidewire through nose or mouth could lead to trauma and bleeding. Thus, the chances of successful fibreoptic intubation as well as fibreoptic-aided retrograde intubation decreases. A blind use of fibreoptic bronchoscope in the presence of secretions or blood may cause further trauma or may damage this costly equipment.

Thirdly, retrograde intubation, being an invasive procedure, may lead to various complications such as bleeding at the puncture site and inside the trachea, peritracheal and mediastinal haematoma, local surgical emphysema, pneumomediastinum and pretracheal abscess. [5] Complications of both retrograde intubation and fibreoptic intubation are possible with this combined technique. [6]

Besides fibreoptic bronchoscope, various other items (suction catheter, guidewire sheath, multilumen catheter, etc.) have been used as anterograde guide. Tracheal tube exchanger has also been used as an effective aid to facilitate retrograde intubation. [7] Unlike fibreoptic bronchoscope, it is cheaper, widely available and does not need dry field or great expertise to use. Also, the use of fibreoptic scope does not offer advantage over other anterograde guides to combat the problem of folding of endotracheal tube or impingement on arytenoids, while passing it across the airway. [6]

It is beyond doubt that, for a trained anaesthetist, retrograde tracheal intubation is a useful technique in difficult intubation situations, especially when the fibreoptic broncoscope or expertise to use it is unavailable, or blood and secretions preclude its use. But, combining these two techniques requires greater skill and expertise, dry field for vision and extra vigilance for a higher complication rate.

 
   References Top

1.Das S, Mandal MC, Gharami BB, Bose P. Fibreoptic aided retrograde intubation in an oral cancer patient. Indian J Anaesth 2011;55:202-3.  Back to cited text no. 1
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2.Weksler N, Klein M, Weksler D, Sidelnick C, Chorni I, Rozentsveig V, et al. Retrograde tracheal intubation: Beyond fibreoptic endotracheal intubation. Acta Anaesthesiol Scand 2004;48:412-6.  Back to cited text no. 2
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3.Eagle CJ. The compromised airway: Recognition and management. Can J Anaesth 1992;39:R40-6.  Back to cited text no. 3
[PUBMED]    
4.Wijesinghe HS, Gough JE. Complications of a retrograde intubation in a trauma patient. Acad Emerg Med 2000;7:1267-71.  Back to cited text no. 4
[PUBMED]  [FULLTEXT]  
5.Dhara SS. Retrograde tracheal intubation. Anaesthesia 2009;64:1094-104.  Back to cited text no. 5
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6.Retrograde intubation and flexible fibreoptic bronchoscope intubation. In: Orebaugh SL (editor). Atlas of airway management: Tools and techniques, 1 st edn, chap 28, Philadelphia: Lippincott William and Wilkins; 2007. p. 177-80.  Back to cited text no. 6
    
7.Chakraborty A, Dutta R, Rastogi V. A facilitated technique of retrograde intubation. Internet J Anesthesiology 2007;13. Available from http://www.ispub.com/journal/the_internet_journal_of_anesthesiology.html [Last cited on 2009 Feb 13].  Back to cited text no. 7
    




 

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