Document Detail

Congestive heart failure associated with myxomatous degeneration of the left atrioventricular valve in a parakeet.
MedLine Citation:
PMID:  11201563     Owner:  NLM     Status:  MEDLINE    
Congestive heart failure was diagnosed in a 27-year-old Indian ringneck parakeet with exercise-induced dyspnea. A grade IV/VI holosystolic murmur that radiated to the right sternal area was auscultated over the left side of the sternum. Radiography revealed progressive cardiomegaly, hepatomegaly, pulmonary edema, and accumulation of fluid within the coelomic cavity. Echocardiography revealed biatrial enlargement and enlargement of the right ventricle. Doppler recording revealed high velocity left and right atrioventricular valve regurgitation. Treatment with digoxin and furosemide alleviated clinical signs for approximately 10 months. Gross postmortem examination revealed cardiac enlargement and eccentric hypertrophy of both ventricles on cross-section. Pulmonary congestion and edema, hepatomegaly, hepatic congestion, and ascites were also evident. Histologic examination of the heart revealed myxomatous degeneration of the left atrioventricular valve, muscular hypertrophy of the right atrioventricular valve, and biventricular chronic myofiber degeneration and necrosis.
B L Oglesbee; L Lehmkuhl
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of the American Veterinary Medical Association     Volume:  218     ISSN:  0003-1488     ISO Abbreviation:  J. Am. Vet. Med. Assoc.     Publication Date:  2001 Feb 
Date Detail:
Created Date:  2001-01-30     Completed Date:  2001-04-05     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  7503067     Medline TA:  J Am Vet Med Assoc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  376-80, 360     Citation Subset:  IM    
Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, Columbus 43210, USA.
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MeSH Terms
Bird Diseases / pathology*
Digoxin / administration & dosage,  blood,  therapeutic use
Diuretics / administration & dosage,  therapeutic use
Echocardiography, Doppler, Color / veterinary
Electrocardiography / veterinary
Fatal Outcome
Furosemide / administration & dosage,  therapeutic use
Heart Auscultation / veterinary
Heart Failure / complications,  drug therapy,  veterinary*
Heart Valve Diseases / complications,  drug therapy,  veterinary*
Radiography, Thoracic / veterinary
Ventricular Dysfunction / complications,  drug therapy,  veterinary
Reg. No./Substance:
0/Diuretics; 20830-75-5/Digoxin; 54-31-9/Furosemide

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

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