MRI Review of Tracheal Dimensions

Stopped early

Conditions studied: Congenital Disorders

In brief

To date, there have been no published reports of normal variations in tracheal dimensions for pediatric patients undergoing MRIs. While there are reports of normals in CT studies, the reported dimensions were for average areas and lengths over the entire length of the trachea and not for normal variation in the dimensions at various sites in the trachea. Moreover, CT measurements are likely not entirely applicable to MRI measurements. Since cardiac MRI has become the procedure of choice to document the presence of vascular rings as well as the significance of any ring that is found, there is a need for normal values to be generated. This would in turn permit physicians to determine in cases of documented vascular rings the severity of the tracheal stenosis/deformity if found.

Key facts

Study ID

NCT00277953

Run by

Children's Healthcare of Atlanta

People needed

75

Last updated by the study team

2007-05-04

Who can join

Age: any, up to 21. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• 25 consecutive patients referred for possible vascular rings 50 consecutive patients undergoing cardiac MRIs for other indications adequate axial double-inversion recovery images of sufficient quality to permit accurate measurement of variations in tracheal dimension.

You may not qualify if…

• Those who do not meet inclusion criteria

Where it is running

• Children's Healthcare of Atlanta — Atlanta, Georgia, United States

Full record on ClinicalTrials.gov

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