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- Keiko Imai, Taku Doi, and Kenji Kayashima.
- From the Department of Anesthesia, Japan Community Health Care Organization, Kyushu Hospital, Kitakyushu, Fukuoka, Japan.
- A A Case Rep. 2017 Mar 15; 8 (6): 129-131.
AbstractWe experienced difficulty inserting cuffed inner diameter (ID) 4.5- and 5.0-mm endotracheal tubes (ETTs) in a 5-year-old boy. Postoperative ultrasound investigations showed that the internal transverse width of the cricoid cartilage was 8.0 mm. The maximum outer diameter (OD) of the deflated cuff portion of the cuffed ID 4.5- and 5.0-mm ETTs was 8.5 and 9.6 mm, respectively. The OD of an uncuffed ID 5.5-mm ETT was 7.6 mm; this tube passed the cricoid cartilage. Hence, the transverse width of the cricoid cartilage and ETT diameter including cuff folds should be considered when selecting cuffed ETTs.
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