Peer-reviewed veterinary case report
How stent size and placement affect dog tracheal collapse outcomes
By Rosenheck, Stephanie et al.Ā·Published in Journal of the American Animal Hospital AssociationĀ·2017Ā·From the Department of Surgery, United StatesĀ·View original on PubMed ā
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Original publication title: Effect of Variations in Stent Placement on Outcome of Endoluminal Stenting for Canine Tracheal Collapse.
- Species:
- dog
Plain-English summary
A group of dogs with tracheal collapse underwent a procedure where a stent was placed in their windpipe to help keep it open. The study found that the size and placement of the stent did not significantly affect the rate of complications or how long the dogs lived after the procedure. On average, dogs survived about 502 days after getting the stent, with a 78% chance of surviving six months. However, some dogs did experience serious complications, which led to a shorter survival time of about 208 days for those affected. Overall, the stenting procedure helped many dogs, but careful monitoring for complications is still important.
People also search for: dog tracheal collapse treatment Ā· stent placement for dogs Ā· complications after dog stent surgery
Abstract
The study's objective was to determine effects of relative size and placement location of endoluminal stents on incidence of complications and survival for canine tracheal collapse. Measurements were obtained on lateral radiographs before and after stenting to determine percent of the trachea occupied by the stent. These values were monitored over time and compared to complication rates and survival. Overall median survival time was 502 days. Six month survival rate was 78%, 1 yr survival was 60%, and 2 yr survival was 26%. Median percent of trachea occupied by the stent at initial placement was 79% (range, 41-93%). Percent of the trachea occupied by the stent at the time of placement did not significantly correlate to complication rate (0.397) or survival time (0.853). Incidence of serious complications was 37%, including granuloma formation, pneumonia, material failure, and stent migration. For patients experiencing serious complications, median survival was shorter, at 208 days, but was not significantly different from survival without serious complications. Within the margins of the data from this study, the proportion of the trachea occupied by the stent at the time of placement does not appear to impact incidence of complications or survival time in dogs with tracheal collapse.
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Search related cases āOriginal publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/28291400/