Constrictive pericarditis following surgical repair of a peritoneopericardial diaphragmatic hernia in a cat.

J Feline Med Surg

Veterinary Medical Surgical Group - Orange County, San Juan Capistrano, CA, USA

Published: August 2014

A 4-year-old female spayed domestic longhair cat was referred for dyspnea. Further diagnostics revealed severe pleural effusion and a peritoneopericardial diaphragmatic hernia (PPDH). Following surgical correction of the PPDH the pleural effusion persisted. Re-check echocardiogram 4 weeks after initial evaluation revealed leftward deviation of the interventricular septum and interatrial septum occurring with inspiration. There were also exaggerated phasic changes in trans-tricuspid flow velocities suggestive of constrictive pericardial disease. Cardiac catheterization was performed and revealed elevated pressures in the right atrium and right ventricle. Constrictive pericarditis (CP) and epicarditis was confirmed at surgery, where subtotal pericardiectomy was performed with epicardial decortication. The cat continued to develop recurrent pleural effusion after surgery, although the volume and frequency of recurrence slowed over time. This is the first reported case of CP following PPDH repair in a cat.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11164158PMC
http://dx.doi.org/10.1177/1098612X13517113DOI Listing

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