Diagnostic Utility of MDCT in Evaluation of Persistent Strid
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A Study was conducted to evaluate the diagnostic utility of multidetector computed tomography (MDCT) in the evaluation of persistent stridor in children for the underlying large airway causes and additional findings.

The study included all pediatric patients who attended MDCT for the assessment of chronic stridor. Two pediatric radiologists independently reviewed MDCT studies for anomalies in the nasopharynx, oropharynx, glottis, subglottis, trachea, and mainstem bronchi. The occurrence of non-airway anomalies was also assessed in the studies. Kappa statistics were used to assess interobserver agreement between two reviewers.

Results:
--There were a total of 40 pediatric patients (age range 1 day to 4 years).

--MDCT detected large airway abnormalities in 20 out of 40 patients, including 4 in the nasopharynx, 4 in the glottis, 4 in the trachea, 3 in the subglottis, and 3 in the mainstem bronchi.

--Non-airway abnormalities were seen in 13 children, including 9 in the lungs, 3 in the soft tissue, and 1 in the bone.

--The remaining 7 studies were normal. There was excellent interobserver agreement seen for detecting large airway and non-airway abnormalities.

To summarize, MDCT has a high diagnostic utility in children for diagnosing broad airway causes of chronic stridor. It can also provide more detail about non-airway anomalies. As a result, MDCT has the ability to be used in pediatric patients with chronic stridor as a noninvasive problem-solving imaging modality.

Source: https://onlinelibrary.wiley.com/doi/10.1002/ppul.25382?af=R
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