Peer-reviewed veterinary case report
Factors predicting success of pulmonary balloon valvuloplasty in dogs
By Locatelli, Chiara et al.·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2011·Dipartimento di Scienze Cliniche Veterinarie, Italy·View original on PubMed →
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Original publication title: Independent predictors of immediate and long-term results after pulmonary balloon valvuloplasty in dogs.
- Species:
- dog
Plain-English summary
A group of dogs with heart problems underwent a procedure called pulmonary balloon valvuloplasty (PBV) to help improve blood flow. The study found that the dogs' pre-procedure Doppler gradient (a measurement of blood flow) was a key factor in predicting how well they would do right after the surgery and in the long term. Dogs with a lower Doppler gradient before the procedure had better outcomes, meaning they were more likely to survive and not show symptoms a year later. This information can help veterinarians assess which dogs might benefit most from this surgery.
People also search for: dog heart surgery outcomes · pulmonary balloon valvuloplasty in dogs · dog heart problem treatment
Abstract
OBJECTIVES: Determine whether valve morphology, pulmonary annulus diameter, aortic/pulmonic annulus ratio, balloon-to-annulus ratio (BAR), pre-pulmonary balloon valvuloplasty (PBV), Doppler gradient, and residual Doppler gradient are independent predictors of immediate and long-term results after PBV in dogs as in humans. ANIMALS, MATERIALS AND METHODS: Retrospective study. Medical records of dogs that underwent PBV, from January 1999 to December 2008 were reviewed. All dogs with pre- and immediate (24 h) post-PBV echocardiographic examination were included. 126 dogs were selected. Immediate outcome was optimal when the dog survived the PBV and Doppler gradient was ≤50 mmHg. Long-term outcome (1 year) was optimal when the dog survived at least 1-year follow-up without symptoms and Doppler gradient was ≤50 mmHg. RESULTS: Only pre-PBV Doppler gradient was identified as a significant independent predictor of immediate results (P < 0.001; OR 0.97, CI 0.96-0.98). Pre-PBV Doppler gradient and residual Doppler gradient were the only independent predictors of long-term results (P = 0.036; OR 0.98, CI 0.96-0.99 and P = 0.005; OR 0.95, CI 0.92-0.98, respectively). CONCLUSION: In dogs as in humans higher pre-PBV Doppler gradient is one of the most important independent predictor of suboptimal immediate and long-term results after PBV and must be considered before scheduling this procedure. Moreover higher valvar residual Doppler gradient is an important independent predictors of suboptimal long-term results.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/21277844/