Peer-reviewed veterinary case report
Surgery with heart-lung machine helped 3-month-old Golden Retriever
By Hirao, Hidehiro et al.·Published in The Journal of veterinary medical science·2004·Department of Veterinary Surgery, Japan·View original on PubMed →
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Original publication title: Surgical correction of subvalvular aortic stenosis using cardiopulmonary bypass in a dog.
- Species:
- dog
Plain-English summary
A three-month-old male Golden Retriever was brought in because he was having trouble exercising, was breathing heavily, and fainted. He was diagnosed with subvalvular aortic stenosis, a heart condition that restricts blood flow. The vet performed surgery using a heart-lung machine to remove the blockage and widen the affected area. After the surgery, the dog seemed to be doing well and had improved heart pressure readings. Unfortunately, seven months later, he passed away suddenly without any warning signs, and a postmortem exam showed that the heart had not been severely damaged.
People also search for: puppy fainting · Golden Retriever heart problems · subvalvular aortic stenosis treatment
Abstract
A three-month-old male Golden Retriever had symptoms including exercise intolerance, dyspnea and syncope and was diagnosed with subvalvular aortic stenosis. Cardiac catheterization revealed a left ventricular-aortic systolic pressure gradient of 90 mm Hg. Surgical correction of the condition was achieved using cardiopulmonary bypass. The subvalvular fibrous lesion was resected through an aortotomy. The stenosis was dilated from 8.5 mm to 12.0 mm in diameter. Postoperatively the dog was asymptomatic. Seven months after surgery, the pressure gradient decreased to 44 mm Hg. However, after another three months, the dog died suddenly without any premonitory signs. Postmortem examination revealed that pathologic changes caused by increased left ventricular pressure overload were not severe.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/15187370/