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LETTERS TO EDITOR
Year : 2015  |  Volume : 59  |  Issue : 3  |  Page : 202-204  

Big cuff: Big problem


Department of Anesthesiology and Critical Care, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, Tamil Nadu, India

Date of Web Publication12-Mar-2015

Correspondence Address:
Stalin Vinayagam
No. 2, 3rd Cross Street, Thilagar Nagar, Puducherry - 605 009, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5049.153051

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How to cite this article:
Dhanger S, Vinayagam S. Big cuff: Big problem. Indian J Anaesth 2015;59:202-4

How to cite this URL:
Dhanger S, Vinayagam S. Big cuff: Big problem. Indian J Anaesth [serial online] 2015 [cited 2020 Dec 1];59:202-4. Available from: https://www.ijaweb.org/text.asp?2015/59/3/202/153051

Sir,

Flexometallic/reinforced tubes are often used to replace the tracheostomy tubes during laryngectomy procedures. This report identifies the problem that can happen with the insertion of flexometallic tube (Rusch ® , Teleflex Medical, Germany) through a low tracheostoma that was solved with the use of flexometallic tube from another manufacturer (UnoFlex™, Unomedical Sdn Bhd, Kedah, Malaysia).

A 38-year-old male with carcinoma larynx was scheduled for total laryngectomy. He had already been tracheostomised with 8.0 mm ID Portex ® tube. Following induction of anaesthesia, the Portex ® tracheostomy tube was replaced with 8.0 mm ID flexometallic tube (Rusch ® , Teleflex Medical, Germany) till its black mark was at the tracheostoma and the cuff was inflated. However, soon after this, auscultation of the chest revealed absence of air entry on left side and a drop in saturation to 92% with 100% O 2, associated with sudden increase in peak airway pressures to 30 cm H 2 O leading to suspicion of endobronchial intubation. Therefore, the tracheal tube was gradually withdrawn with simultaneous auscultation for air entry on the left side. However, the tube appeared to remain endobronchial despite pulling the tracheal tube till proximal portion of its cuff was visible at the stomal site. At this juncture, we replaced the existing flexometallic tube (Rusch ® , Teleflex Medical, Germany) with another 8.0 mm ID flexometallic tube from another manufacturer (UnoFlex™, Unomedical Sdn Bhd, Kedah, Malaysia) which was inserted until its cuff was well below the stomal site. This resulted in bilateral equal air entry, improvement in SpO 2 to 100% and return of airway pressures to 16 cm H 2 O. Rest of the intraoperative period was uneventful and at the end of the surgery, the flexometallic tube was replaced by 8.0 mm ID Portex ® tube.

Most patients with carcinoma larynx scheduled for total laryngectomy would have been already tracheostomised or will require a preoperative tracheostomy. Proceeding to total laryngectomy with standard tracheostomy tube has got various problems like flange interfering with surgical site, difficulty in fixation and accidental dislodgement due to excessive drag by ventilator circuits. Whereas flexometallic tubes can be easily angled away from the surgical site without getting kinked and safely secured by suturing or taping it to the chest wall of the patient. [1] Though these tubes are certainly useful, there are various complications associated with these tubes like narrowing of the lumen and complete obstruction. [2],[3],[4]

Flexometallic (Rusch ® , Teleflex Medical, Germany) tubes usually contain a barrel shaped large cuff meant for a better seal and their use in patients with low tracheostomy may lead to endobronchial intubation as the distance between the proximal end of the cuff and the tip of the tube is relatively long (8 cm) compared to the other brand (UnoFlex™, Unomedical Sdn Bhd, Kedah, Malaysia) tube, where it is 6 cm [Figure 1]. Thus, changeover to UnoFlex™ tube, (which has smaller cuff) solved the problem of endobronchial intubation in our case. Though different manufacturers produce tubes with different cuff size for added advantage, this may become detrimental at specific situations.
Figure 1: (a) Flexometallic (Rusch®) tube 8.0 mm ID. (b) Flexometallic (UnoFlex™) tube 8.0 mm ID. (c) Tracheostomy (Portex®) tube 8.0 mm ID

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In cases where low tracheostomy is anticipated, this problem can be avoided by the use of laryngectomy tubes. Laryngectomy (Montando®) tubes are reinforced cuffed tubes with J-configuration that have a short distance between cuff and tip and also short bevel to avoid endobronchial intubation. [5]

 
   References Top

1.
Azim A, Matreja P, Pandey C. Desaturation with flexometallic endotracheal tubes during lumbar spine surgery: A case report. Indian J Anaesth 2003;47:48.  Back to cited text no. 1
  Medknow Journal  
2.
Gurumurthy T, Rammurthy K, Mahmood LS, Hegde R. An unusual complication of reinforced tube reuse. J Anaesthesiol Clin Pharmacol 2012;28:528-30.  Back to cited text no. 2
[PUBMED]  Medknow Journal  
3.
Balakrishna P, Shetty A, Bhat G, Raveendra U. Ventilatory obstruction from kinked armoured tube. Indian J Anaesth 2010;54:355-6.  Back to cited text no. 3
[PUBMED]  Medknow Journal  
4.
Ladi SD, Aphale S. Accidental transection of flexometallic endotracheal tube during partial maxillectomy. Indian J Anaesth 2011;55:284-6.  Back to cited text no. 4
[PUBMED]  Medknow Journal  
5.
Dawson P, Rosewane F, Wells D. The Montando laryngectomy tube. Can J Anaesth 1989;36:486-7.  Back to cited text no. 5
    


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