Peer-reviewed veterinary case report
Ultrasound measures tracheal collapse in dogs during breathing
By Eom, Kidong et al.·Published in Journal of veterinary science·2008·Department of Veterinary Diagnostic Imaging, South Korea·View original on PubMed →
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Original publication title: Ultrasonographic evaluation of tracheal collapse in dogs.
- Species:
- dog
Plain-English summary
A study looked at how tracheal ultrasonography can help diagnose tracheal collapse in dogs, a condition that can cause breathing problems. The researchers measured the width of the trachea during breathing and found that dogs with tracheal collapse had a different measurement compared to healthy dogs. This technique can help veterinarians make a more accurate diagnosis when combined with X-rays. Overall, tracheal ultrasonography proved to be a valuable tool for identifying this condition in dogs.
People also search for: dog breathing problems · tracheal collapse in dogs · dog trachea ultrasound · how to treat dog tracheal collapse
Abstract
Tracheal ultrasonography was performed to measure the width of the tracheal ring shadow and to assess the clinical relevance of these measurements for identifying tracheal collapse. The first tracheal ring width (FTRW) and thoracic inlet tracheal ring width (TITRW) were measured on both expiration and inspiration. The mean of the FTRW width (129 dogs) was greater in expiration (10.97 plusmn; 1.02 mm, p = 0.001) than that in inspiration (9.86 plusmn; 1.03 mm). For 51 normal dogs, the mean of the TITRW width was greater in expiration (9.05 plusmn; 1.52 mm, p = 0.001) than in inspiration (8.02 plusmn; 1.43 mm). For 78 tracheal collapse dogs, the mean of the TITRW width was greater in expiration (15.89 plusmn; 1.01 mm, p = 0.001) than in inspiration (14.85 plusmn; 1.17 mm). The TITRW/FTRW ratio of the normal dogs was higher (p = 0.001) in expiration (0.81 plusmn; 0.09) than that in inspiration (0.79 plusmn; 0.10). When compared between the normal and tracheal collapse dogs, the TITRW/FTRW ratio was also increased (p = 0.001) both in expiration (1.54 plusmn; 0.09) and inspiration (1.47 plusmn; 0.08), respectively. Based on these results, the cutoff level of the TITRW/FTRW ratio was statistically analyzed according to the receiver operating characteristic curve and it could be set at 1.16 in expiration and at 1.13 in inspiration. We have demonstrated that tracheal ultrasonography is a useful technique for the evaluation of tracheal collapse and it can be a supportive tool together with the radiographic findings for making the correct diagnosis.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/19043316/