Abstract:
STUDY OBJECTIVE:To correlate tracheal width as measured by ultrasound with width measured by computed tomography (CT), and to evaluate the possible role of ultrasound in the selection of the proper size of left-sided double-lumen endotracheal tubes (LDLTs). DESIGN:Two independent, prospective, observational clinical studies (Study 1 and Study 2). SETTING:University hospital. PATIENTS:Study 1 included 25 patients and Study 2 included 20 adult thoracic surgery patients who required a LDLT during anesthesia. INTERVENTIONS AND MEASUREMENTS:In Study 1, CT measurements of tracheal width were made at the coronary plane 0.5 cm above the sternoclavicular joint; CT measurements of the left main bronchus diameter were made 1 cm below the carina. Ultrasound measurement of tracheal width was performed just above the sternoclavicular joint in the transversal section. In Study 2, patients' tracheas were intubated with a LDLT based on ultrasound measurements. The frequencies of incorrect selections of LDLT and unsatisfactory lung collapse were analyzed. MAIN RESULTS:There was a strong correlation between tracheal width as measured by ultrasound and tracheal width (r=0.882, P<0.001) and left main bronchus width (r=0.832, P<0.001) as measured by CT. In 5 cases (25%), the incorrect LDLT by ultrasound was selected; and one (5%) was found to have an unsatisfactory lung collapse. CONCLUSION:Measurement of the outer tracheal width by ultrasound can be a useful method for predicting the diameter of left main bronchus and for selecting a LDLT.
journal_name
J Clin Anesthjournal_title
Journal of clinical anesthesiaauthors
Sustić A,Miletić D,Protić A,Ivancić A,Cicvarić Tdoi
10.1016/j.jclinane.2007.11.002subject
Has Abstractpub_date
2008-06-01 00:00:00pages
247-52issue
4eissn
0952-8180issn
1873-4529pii
S0952-8180(08)00054-8journal_volume
20pub_type
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journal_title:Journal of clinical anesthesia
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journal_title:Journal of clinical anesthesia
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1997-03-01 00:00:00
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1998-08-01 00:00:00