Partial anomalous pulmonary venous connection with portosystemic shunt in a cat |
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| Institution: | 1. Veterinary Teaching Hospital, Department of Veterinary Medicine, Faculty of Agriculture, Iwate University, 3-18-8 Ueda, Morioka 020-8550, Japan;2. Division of Small Animal Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Iwate University, 3-18-8 Ueda, Morioka, 020-8550, Japan;3. Department of Veterinary Internal Medicine, Department of Veterinary Medicine, Faculty of Agriculture, Iwate University, 3-18-8 Ueda, Morioka, 020-8550, Japan;4. Elle Animal Clinic, 1-5-12 Tokiwadai, Kitakami, 024-0012, Japan;1. Department of Veterinary Clinical Sciences, The Ohio State University College of Veterinary Medicine, 601 Vernon L Tharp St., Columbus, OH 43210, USA;2. Ohio Veterinary Cardiology, Ltd., 1053 S. Cleveland-Massillon Rd., Akron, OH 44321, USA;3. The Heart Center, Nationwide Children''s Hospital, 700 Children''s Dr., Columbus, OH, 43205, USA;1. AniCura Specialistisch Verwijscentrum Haaglanden, Frijdastraat 20a, Rijswijk, 2288 EZ, the Netherlands;2. Veterinaire Specialisten Vught, Reutsedijk 8a, Vught, 5264 PC, the Netherlands;1. Langford Vets, University of Bristol, Stock Lane, Lower Langford, North Somerset, BS40 5DU, United Kingdom;2. Highcroft Veterinary Referrals, 615 Wells Road, Whitchurch, Bristol, Avon, BS14 9BE, United Kingdom;3. Veterinary Diagnostic Imaging Ltd, Baytree Cottage, Dyrham, Chippenham, SN148EX, United Kingdom;4. CytoPath Ltd, Ledbury, PO Box 24, Herefordshire, HR8 2YD, United Kingdom |
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| Abstract: | A nine-month-old castrated male domestic shorthair presented for evaluation with a three-month history of hematuria. Portosystemic shunts and calculi within the bladder were suspected, and computed tomography angiography was performed. Computed tomography angiography identified an extrahepatic portosystemic shunt and a partial anomalous pulmonary venous connection, with the lobar vein of the right caudal lobe draining into the caudal vena cava. After anesthesia was administered to the cat, tachypnea and wheezing respiratory sounds were observed, and thoracic radiography revealed the right middle lung lobe atelectasis and an unstructured interstitial pattern in the left cranial lobe. Echocardiography showed left and right atrial enlargement and slight interventricular septal flattening in diastole. Based on these findings, cardiogenic pulmonary edema was suspected, and the cat was treated with furosemide. The clinical symptoms were resolved the next day. Closure of the extrahepatic portosystemic shunt was performed on days 47 and 157. Left atrial enlargement and interventricular septal flattening were attenuated after the procedure. At the time of writing this report (seventeen months after diagnosis), the cat exhibited no clinical signs, but subjective right atrial enlargement remained at approximately the same level. This report represents the first case of a partial anomalous pulmonary venous connection and a portosystemic shunt in a cat. |
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| Keywords: | Feline Left-right shunt Congenital Partial anomalous pulmonary venous return Surgical correction |
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