Document Detail

Evaluation of survival rate and prognostic indicators for surgical treatment of left-to-right patent ductus arteriosus in dogs: 52 cases (1995-2003).
MedLine Citation:
PMID:  16342529     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To determine factors associated with long-term survival in dogs treated surgically for patent ductus arteriosus (PDA). DESIGN: Retrospective case series. Animals-52 dogs treated surgically for left-to-right shunting PDA. PROCEDURE: Data pertaining to age, breed, sex, body weight, clinical examination findings, type and duration of medical treatment, results of thoracic radiography and echocardiography, and surgical and postoperative complications were collected from records. Follow-up information was obtained from medical records or telephone interviews with owners or referring veterinarians. RESULTS: 22 dogs had mitral valve regurgitation. Mean weight and age were not significantly different between dogs with or without mitral valve regurgitation. Twenty-four (46.2%) dogs had clinical signs related to cardiac insufficiency. Left atrial dilatation was observed in 56.3% of dogs that were radiographed. Sonographic imaging was used to diagnose left atrial dilatation in 23 dogs and left ventricular dilatation in 25 dogs. The 1- and 2-year survival rates were 92% and 87%, respectively. Diagnosis of mitral valve regurgitation before surgery was not associated with the probability of survival. Age, weight, lethargy, preoperative treatment with angiotensin-converting enzyme inhibitors, and right atrial dilatation on radiographs at the time of surgery were negatively associated with probability of survival. CONCLUSIONS AND CLINICAL RELEVANCE: Surgical treatment of PDA was curative in young dogs without clinical signs of heart failure. Surgical correction of PDA should be recommended as early as possible after diagnosis, and mitral valve regurgitation is not a contraindication for surgery.
St?phane Bureau; Eric Monnet; E Christopher Orton
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the American Veterinary Medical Association     Volume:  227     ISSN:  0003-1488     ISO Abbreviation:  J. Am. Vet. Med. Assoc.     Publication Date:  2005 Dec 
Date Detail:
Created Date:  2005-12-13     Completed Date:  2006-03-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7503067     Medline TA:  J Am Vet Med Assoc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1794-9     Citation Subset:  IM    
Le Bourg, 33480 Moulis en M?doc, France.
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MeSH Terms
Dog Diseases / mortality*,  surgery*
Ductus Arteriosus, Patent / mortality,  surgery,  veterinary*
Echocardiography / veterinary
Heart / radiography
Mitral Valve Insufficiency / complications,  mortality,  surgery,  veterinary
Retrospective Studies
Survival Rate
Time Factors
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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