Peer-reviewed veterinary case report
Heartworm caval syndrome in three young dogs under 2 years
By Hidaka, Yuichi et al.·Published in The Journal of veterinary medical science·2003·Department of Veterinary Surgery, Japan·View original on PubMed →
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Original publication title: Three dogs under 2 years of age with heartworm caval syndrome.
- Species:
- dog
Plain-English summary
Three young dogs under 2 years old were diagnosed with heartworm caval syndrome, a serious condition caused by heartworms blocking blood flow. A 23-month-old dog received surgery and medical treatment and was able to recover, but sadly, the other two dogs, aged 15 and 21 months, did not survive. An examination after death revealed a significant number of heartworms in both dogs, leading to severe lung issues. This case highlights that heartworm caval syndrome can affect dogs of any age and can be deadly if not treated promptly.
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Abstract
Heartworm caval syndrome (CS) occurred in three dogs under 2 years of age. A 23-month-old dog was recovered by surgical and medical treatments, but the other 2 dogs (15 and 21 months old) died. Necropsy demonstrated 12 heartworms in the 15-month-old dog and 8 worms in the 21-month-old dog. Histopathologically, pulmonary arterial embolism caused by dead worms and thrombi were observed in these cases. The findings suggested that CS could develop regardless of canine age and worm burden if pulmonary arterial embolism related to worm death or thrombus formation were induced.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/14600360/