ET tubes

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ET tubes

Red Rubber	PVC
Reusable	Disposable
Expensive	Cheaper
Higher tendency to kink	Lesser tendency to kink
Low Volume High Pressure Cuff	High Volume Low Pressure Cuff
Radiolucent	Radio-opaque line (for X-ray detection).
Kept for short duration hence less sore throat	Kept for long duration hence more incidence of sore throat
Increased chance of injury
	Murphy eye + (allows ventilation in the event of obstruction of the end of the tube.)
	Transparent

In Child : Uncuffed tubes are used.

MC Size : 

• Adult Male  8 & 8.5
• Adult Female 7.5 & 8

Other Tubes :

1.      RAE Tube - for cleft lip & palate

2.      Spiral embedded tube / flexometallic tube / armored tube – 

• For head and neck surgeries
• Spine surgeries
• Surgeries in Prone position.

3.      Robert shaw and carlin's tube (double lumen) – for cardiothoracic surgeries (here only single lung ventilation.)

4.      Cole Tube – in Children 

Narrowest part of Child's airway : Subglottic.

Narrowest part of Adult's airway : Glottic Opening.

MC cause of hypoxia in single lung ventilation : Malpositioning of tube.

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