ความสัมพันธ์ระหว่างความลึกของท่อช่วยหายใจ กับเพศและอายุ

บทคัดย่อ

          A retrospective study of 3,309 cases undergoing general anesthesia with endotracheal intubation in the Department of Anesthesiology, Ratchaburi Hospital during a 17-month period ending May 1992 was conducted. The average depth of endotracheal tube in the group of male over 14 year of age is 21.82 ± 0.3 cm., whereas that of the female is 20.95 ± 0.24 cm. In the remainder, the depth of tube varies with age according to the equation depth = 11+(0.7 x age). The influence of weight is negligible.