Double-lumen endobronchial intubation-related anatomical factors of respiratory tract in adult pa-tients: measurement of glottis and left main bronchus using computed tomography
10.3760∕cma.j.issn.0254-1416.2017.11.026
- VernacularTitle:成年患者双腔支气管导管插管术有关的呼吸道解剖因素:CT法测量声门和左主支气管
- Author:
Bei GAO
1
;
Peimin CHEN
;
Shengren GUO
;
Changhua ZHU
;
Hong XIE
Author Information
1. 215004,苏州大学附属第二医院麻醉科
- Keywords:
Glottis;
Bronchi;
Double-lumen endotracheal tube
- From:
Chinese Journal of Anesthesiology
2017;37(11):1381-1385
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the double-lumen endobronchial intubation-related anatomical factors of respiratory tract in adult patients through measurement of the parameters of glottis and left main bronchus using computed tomography(CT). Methods A total of 206 patients of both sexes, aged 20-80 yr, of American Society of Anesthesiologists physical status Ⅰ-Ⅲ, scheduled for elective surgery, were enrolled in this study.The cervical and thoracic CT images were evaluated.The anteroposterior glottic diame-ter(AP-GD), anteroposterior tracheal diameter(AP-TD), transverse tracheal diameter(Tr-TD), left and right main bronchus diameters(LBD and RBD)and length between glottis and carina(G-TL)were measured.Multiple linear regression analyses were performed to detect the correlations between obtained pa-rameters and between obtained parameters and height. Results AP-GD was(19±3)mm, AP-TD(20± 4)mm, Tr-TD(16.6±2.4)mm, LBD(12.3±2.0)mm, RBD(13.7±2.0)mm and G-TL(126± 11)mm.AP-GD, height, AP-TD and Tr-TD were moderately correlated with LBD(r was 0.522, 0.584, 0.648 and 0.606, respectively, P<0.05).AP-TD +Tr-TD+AP-GD+height served as the inde-pendent variable, the fitting curve was confirmed, and the results showed that AP-TD, Tr-TD and height were the affecting factors for LBD, and the degree of correlation with LBD was as follows from high to low:Tr-TD(b′=0.334), AP-TD(b′=0.323), height(b′=0.243). When AP-GD served as the independ-ent variable and curve fitting was performed, there was no significant difference(P>0.05). Conclusion Tr-TD and AP-GD should be considered besides double-lumen endobronchial intubation-related anatomical factors such as LBD and height in adult patients.
