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- Title
Changes in uncuffed endotracheal tube leak during laparoscopic inguinal herniorrhaphy in children.
- Authors
Noguchi, Akiko; Kuga, Kumiko; Tashiro, Naoki; Shimakawa, Yusuke; Shono, Takeshi; Hirakawa, Naomi; Sakaguchi, Yoshiro
- Abstract
The present study was conducted to investigate changes in uncuffed endotracheal tube (ETT) leak during laparoscopic surgery. The study included 31 patients aged between 1 and 6 years scheduled for elective laparoscopic inguinal herniorrhaphy. Inspiratory and expiratory tidal volumes (TVi and TVe) were measured during mechanical ventilation, and ETT leak was calculated using the formula-ETT leak = (TVi − TVe)/TVi × 100 (%), assessed at the following time-points-5 min after the start of mechanical ventilation (T1, baseline), just before the start of surgery (T2), 5 min after the induction of pneumoperitoneum with 15° Trendelenburg tilt (T3), and at the end of surgery (T4). Additionally, leak pressure was assessed after successful tracheal intubation (T0, baseline) at T2, T3 and T4. Uncuffed ETT leak significantly decreased at T3 compared with T1 (baseline). Leak pressure significantly increased at T3 and T4 compared with T0 (baseline). Further studies are needed in order to determine whether the results are universal and associated with clinically significant outcomes.
- Subjects
ENDOTRACHEAL tubes; TRACHEA intubation; LAPAROSCOPIC surgery; PNEUMOPERITONEUM; JUVENILE diseases
- Publication
Journal of Anesthesia, 2016, Vol 30, Issue 4, p702
- ISSN
0913-8668
- Publication type
Article
- DOI
10.1007/s00540-016-2190-5