Bartle et al evaluating endotracheal tube depth in infants weighing less than 1 kilogram. Tube malpositioning can result in serious complications in premature infants. The authors are from Duke University.
Parameters:
(1) current body weight in grams
Body Weight
Insertion Depth
< 500 grams
5.0 cm + (1 cm per kg)
500 to 999 grams
5.5 cm + (1 cm per kg)
The endotracheal tube was only accurately placed in about 70% of patients. It is important that tube placement is confirmed by rapid radiographic assessment.
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