Sentence examples for below the first tracheal from inspiring English sources
The first is the ability to consistently place the tracheostomy tube below the first tracheal ring.
Real-time ultrasound guidance during percutanous tracheostomy can be used to guide placement of the tracheal tube below the first tracheal ring and to avoid vascular structures.
According to sonographic criteria, the point of tracheal puncture should be below the first tracheal ring but above the fifth tracheal ring, with no vascular structures in the path of the needle.
The point of tracheal puncture was selected using the following criteria on sonographic imaging: below the first tracheal ring but above the fifth tracheal ring and no vascular structure in the path of the needle.
The purpose of our study was to demonstrate the feasibility of performing percutaneous tracheostomy under real-time ultrasound guidance with actual visualization of the needle path and to assess the accuracy of this technique in placement of the guidewire below the first tracheal ring.
Percutaneous tracheostomy can be performed safely using real-time sonographic visualization of the needle path to ensure avoidance of vascular structures and placement of the tracheostomy tube below the first tracheal ring, including in patients with morbid obesity and cervical spine precautions.
Subglottic stenosis is stenosis below the glottis and above the first tracheal ring [3].
It is also best to avoid making the tracheal access below the third tracheal ring, where the thyroid isthmus is likely to lie [ 56, 57].
The other potentially important technical factor observed was low tracheostomy tube placement (below the fourth tracheal ring) seen in one patient who died following a trachea-innominate fistula and three others requiring revision of tracheostomy.
Expression of unp in the founder cells for the cerebral branch within the first tracheal metamere is repressed in posterior segments by Ubx and other bithorax complex genes.
The first tracheal cuffs were small-volume high-pressure.
