ArticlePediatric surgery international2022
Computational fluid dynamics assessment of congenital tracheal stenosis.
Article in Pediatric surgery international, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Three-dimensional tracheal morphologic changes after left pulmonary artery sling repair with and without tracheoplasty.Pediatric surgery international · 2026Article
- Computational fluid dynamics as an objective measure for assessing congenital tracheal stenosis: Proof-of-concept study.JTCVS open · 2026Article
- Article
- Aerodynamic evaluation of surgical design for the stenosis correction of airway.Frontiers in cardiovascular medicine · 2024Article
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Abstract
purposeThe severity of congenital tracheal stenosis (CTS) is commonly evaluated based on the degree of stenosis. However, it does not always reflect the clinical respiratory status. We applied computational fluid dynamics (CFD) to the assessment of CTS. The aim of this study was to evaluate its validity.
methodsCFD models were constructed on 15 patients (12 preoperative models and 15 postoperative models) with CTS before and after surgery, using the computed tomographic data. Energy flux, needed to drive airflow, measured by CFD and the minimum cross-sectional area of the trachea (MCAT) were quantified and evaluated retrospectively.
resultsThe energy flux correlated positively with the clinical respiratory status before and after surgery (rs = 0.611, p = 0.035 and rs = 0.591, p = 0.020, respectively). Although MCAT correlated negatively with the clinical respiratory status before surgery (rs = -0.578, p = 0.044), there was not significant correlation between the two after surgery (p = 0.572).
conclusionsThe energy flux measured by CFD assessment reflects the respiratory status in CTS before and after surgery. CFD can be an additional objective and quantitative evaluation tool for CTS.
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