why is going from a ventilator to tracheotomy better is the ventilator still has to be used on the trach?
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Of course this depends on the issue. A tracheotomy is basically bypassing the upper respiratory system but everything still remain the same. This can eliminate some of the issues people have with breathing which required the ventilator in the first place. For example if someone goes into anaphylactic shock and their upper airways close at first a ventilator might be able to push air through the blockage. But then a tracheotomy might cause the patient to breathe on their own without a ventilator. The trauma, lack of oxygen, sedatives, etc. might still require them to be on a ventilator at first though, and just to be on the safe side the ventilator is usually connected anyway. Even if there is no upper airways issues there is still a lot of volume and restrictions that can by bypassed. So the ventilator works better when it is connected more directly to the lungs then when it have to go through the upper airways.
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