From: Ultra percutaneous dilation tracheotomy vs mini open tracheotomy. A comparison of tracheal damage in fresh cadaver specimens
Injury
Fresh cadaver
Fixed cadavers
PDT (n = 10)
Open (n = 10)
p-value
PDT (n = 9)
Open (n = 7)
Mucosal injury
5
0
0.043
7
<0.008
Cartilage injury
8
1
>0.012