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Tijdschr Diergeneeskd. 2010 Apr 15;135(8):330-3.

[Resolution of ascites after successful balloon dilatation of cortriatriatum dexter in a dog].

[Article in Dutch]

Author information

  • 1Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 108, P.O. Box 80154, 3508 TD Utrecht, The Netherlands.


A 9-month-old male American Cocker Spaniel was examined for progressive abdominal distension, tachypnoea, and decreased appetite. Physical examination revealed signs of congestion in the caudal body half only (ascites, congested saphenic vein), and abdominocentesis yielded a modified transudate. Echocardiography revealed an abnormal membrane in the right atrium and cor triatriatum dexter was diagnosed; the diagnosis was confirmed by cardiac catheterization. Successful treatment consisted of balloon dilatation of the pinpoint opening in the abnormal membrane. The dog recovered well, with the ascites resolving within a week, and its further development was normal.

[PubMed - indexed for MEDLINE]
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