Peer-reviewed veterinary case report
Lung congestion scores in dogs with heart failure from mitral valve
By Koster, Liza et al.·Published in Journal of veterinary internal medicine·2023·Department of Small Animal Clinical Sciences, United States·View original on PubMed →
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Original publication title: Radiographic lung congestion scores in dogs with acute congestive heart failure caused by myxomatous mitral valve disease.
- Species:
- dog
Plain-English summary
A group of dogs with acute congestive heart failure (CHF) caused by myxomatous mitral valve disease had their lung congestion scores measured to see if it could predict how long they would live or how soon they might need treatment again. The study included 35 dogs, and while the average lung congestion score was calculated, it did not show a clear link to how long the dogs survived or how soon they were readmitted for treatment. However, it was found that giving the diuretic furosemide earlier was associated with better lung scores.
People also search for: dog heart failure symptoms · myxomatous mitral valve disease in dogs · furosemide for dog heart problems
Abstract
BACKGROUND: In humans, lung congestion scores are predictive of recurrence of acute congestive heart failure (CHF) and are superior to cardiac biomarkers in predicting survival. OBJECTIVES: The primary aim of this retrospective study was to determine if a modified lung congestion score (LCS) in dogs diagnosed with acute CHF because of myxomatous mitral valve disease was associated with time until recurrence or death. ANIMALS: Complete medical records were available for a total of 94 dogs between 2010 and 2019, but only 35 dogs fulfilled the criteria for inclusion. METHODS: This retrospective study used descriptive statistics to describe the cumulative and corrected LCS. Correlations were used to examine the association of the corrected LCS and time until recurrence or death, selected echocardiographic variables, and timing of furosemide administration. RESULTS: The mean LCS was 8.4 (SD 3.3) and corrected LCS was 0.48 (SD 0.19). The pattern was predominantly symmetric (40% of dogs) and focal (caudal) but more commonly right-sided when asymmetric (40% vs 20%). The median number of days after initial diagnosis of acute CHF to readmission and death was 150 days (range 4-572), and 266 days (range 5-965), respectively. No significant association between the dog's corrected LCS and number of days until readmission (r = .173, P = .42) nor survival (r = .109, P = .56) was found. There was a negative significant correlation (r = -.71, P < .001) between the time interval of furosemide administration and corrected LCS.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/37694988/